CN109038190A - A kind of a variety of orphan's generators of sufficient center wavelength accuracy - Google Patents
A kind of a variety of orphan's generators of sufficient center wavelength accuracy Download PDFInfo
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- CN109038190A CN109038190A CN201810888678.6A CN201810888678A CN109038190A CN 109038190 A CN109038190 A CN 109038190A CN 201810888678 A CN201810888678 A CN 201810888678A CN 109038190 A CN109038190 A CN 109038190A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0405—Conductive cooling, e.g. by heat sinks or thermo-electric elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1112—Passive mode locking
- H01S3/1115—Passive mode locking using intracavity saturable absorbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1305—Feedback control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1317—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the temperature
Abstract
A kind of a variety of orphan's generators of sufficient center wavelength accuracy of the invention belong to photoelectronic device technical field.Its primary structure has Polarization Controller (1), 1 × N photoswitch (2), optical fiber group (3), 1 × N photo-coupler (4), saturable absorber (5), center wavelength tuning device (6) etc..The present invention can generate a variety of different types of solitons, easy to use, and when environmental parameter changes, the soliton sufficient center wavelength accuracy of output.
Description
Technical field
The invention belongs to the technical field of fibre optical sensor, in particular to a variety of orphans of a kind of sufficient center wavelength accuracy send out
Raw device.
Background technique
Soliton is a kind of ultrashort light pulse of special shape, its shape, amplitude and speed during propagation are all tieed up
It holds constant.The characteristics of soliton, determines that it has a wide range of applications in the communications field, first it message capacity it is big:
Transmission code rate generally up to 20Gb/s, reaches as high as 100Gb/s or more, and secondly bit error rate is low, strong antijamming capability: soliton
It is remained unchanged in transmission process and the insulating characteristics of soliton determines that the bit error rate of Propagation of Soliton is significantly less than conventional light
Fiber communication, or even can realize that the bit error rate is lower than the zero defect fiber optic communication of 10-12, relay station can not had to again: as long as right
Fibre loss carries out gain compensation, optical signal can be transmitted undistortedly it is extremely remote, to eliminate photoelectric conversion, again
New shaping amplification such as checks error code, electro-optic conversion, retransmits again at the complex processes.It is well known that soliton generation system
The soliton central wavelength of output is easy to be influenced by external conditions such as environment temperatures, and in practical applications, central wavelength is made
For the most important parameter of soliton, stability directly determines the quality of soliton, is especially applied to soliton logical
When letter, the unstable of central wavelength will influence whether the stability etc. of communication, and then influence communication quality.
It is that this seminar applies for that " a kind of Er-doped fiber is sharp on June 7th, 2014 with the immediate prior art of the present invention
The soliton pulses generator that light device is constituted " (application No. is 2014102507203), the patent control single mode by photoswitch
The length of optical fiber realizes the purpose that the same device generates different type soliton.But the patent and other generation solitons
The unstable disadvantage of the equally generally existing central wavelength of the prior art.Therefore, the existing technology for generating soliton also needs
It is further perfect.
Summary of the invention
In order to which the central wavelength for the soliton for overcoming existing soliton generation system to generate is led vulnerable to environmental parameter influence
The defect for causing central wavelength unstable, the present invention provide a kind of soliton generation system of sufficient center wavelength accuracy, work as environmental condition
It changes when the central wavelength of soliton being caused to shift, the present invention inhibits external environment to generate using compensation circuit
The central wavelength for the soliton for influencing, and then generating system remains unchanged, to improve the stabilization of soliton central wavelength
Property.
The purpose of the present invention is achieved through the following technical solutions:
A kind of a variety of orphan's generators of sufficient center wavelength accuracy, structure have, and the output end of optoisolator 7 passes through er-doped
Optical fiber 8 is connected with the common end of light wavelength division multiplexing 9, the end 980nm of light wavelength division multiplexing 9 and the output end of pump light source 10
It is connected, the end 1550nm of light wavelength division multiplexing 9 is connected with the input terminal of the first photo-coupler 11, the first photo-coupler 11
90% output end is connected with the input terminal of Polarization Controller 1, and the output end of Polarization Controller 1 is public defeated with 1 × N photoswitch 2
Enter end to be connected, N number of output end of 1 × N photoswitch 2 passes through the different single mode optical fibers and 1 × N light of the N item in optical fiber group 3 respectively
N number of input terminal of coupler 4 is connected, and the optical fiber group 3 is made of the different single mode optical fiber of N length, and N is 2~8
Integer, the public output of 1 × N photo-coupler 4 is connected with one end of saturable absorber 5；
It is characterized in that, structure is in addition, the other end of saturable absorber 5 and the input terminal of center wavelength tuning device 6
It is connected, the output end of center wavelength tuning device 6 is connected with the input terminal of optoisolator 7；The 10% of first photo-coupler 11 is defeated
Outlet is connected with the input terminal of the second photo-coupler 12, and 10% output end of the second photo-coupler 12 is as of the invention final
Output, 90% output end of the second photo-coupler 12 are connected with the input terminal of third photo-coupler 13, third photo-coupler 13
One output end is connected with an input terminal of the 4th photo-coupler 15, the another output of third photo-coupler 13 with twine
The one end for being wound on the optical fiber on piezoelectric ceramics 14 is connected, and is wrapped in the other end and the 4th optocoupler of the optical fiber on piezoelectric ceramics 14
Another input terminal of clutch 15 is connected, and the output end of the 4th photo-coupler 15 is connected with the input terminal of photoelectric conversion circuit 16,
The input terminal of the output end and function translation circuit 17 of photoelectric conversion circuit 16 is connected, the output end of functional transformation circuit 17 with
The signal input part of adaptive amplitude normalizing circuit 18 is connected, the signal output end and phase of adaptive amplitude normalizing circuit 18
One input terminal of comparison circuit 19 is connected, the ginseng of the output end of reference voltage circuit 24 and adaptive amplitude normalizing circuit 18
It examines voltage input end to be connected, an input terminal phase of the output end and phase-comparison circuit 19 of adaptive amplitude normalizing circuit 18
Even, the output end of phase-comparison circuit 19 is connected with single-chip microcontroller 20, the input control end phase of single-chip microcontroller 20 and controllable frequency source 22
Even, the sinusoidal signal output end in controllable frequency source 22 is connected with another input terminal of phase-comparison circuit 19, also makes pottery with piezoelectricity
The input terminal of porcelain driving circuit 23 is connected, and the output end of driver circuit for piezoelectric ceramics 23 is connected with the control terminal of piezoelectric ceramics 14,
Single-chip microcontroller 20 is connected with the temperature setting end of temperature-control circuit 21, the current output terminal of temperature-control circuit 21 and middle cardiac wave
Semiconductor heat electric refrigerator 64 in long tuner 6 is connected, the thermistor input terminal and middle cardiac wave of temperature-control circuit 21
The thermistor 63 of long tuner 6 is connected；
The structure of the center wavelength tuning device 6 is, aluminium block 61 lower surface and cooling fin 65 upper surface it
Between accompany semiconductor heat electric refrigerator 64；Thermistor 63 and Bragg grating 62 are attached to the upper surface of aluminium block 61；Thermistor
63 are connected with the thermistor input terminal of temperature-control circuit 22；Semiconductor heat electric refrigerator 64 and temperature-control circuit 22
Current output terminal is connected；One end of Bragg grating 62 is connected with the second port of optical circulator 66, and the first of optical circulator 66
The input terminal of wave length tuning device 6 centered on port is connected with the saturable absorber 5, the third of optical circulator 66
The output end of wave length tuning device 6 is connected with the input terminal of the optoisolator 7 centered on port；
The structure of the functional transformation circuit 17 is one end of capacitor C3 and the pin 12 of trigonometric function converter U1
And one end of resistance R2 is connected, input terminal of the other end of capacitor C3 as functional transformation circuit 17 is denoted as port ACOS_in,
It is connected with the output end of photoelectric conversion circuit 16；The other end of resistance R2 is grounded；The pin 2 of trigonometric function converter U1,3,4,
5,8,11,13 ground connection, pin 9,10 are connected with one end of capacitor C2 and -12V power supply, the other end ground connection of capacitor C2；Triangle letter
The pin 6 of number converter U1 is connected with pin 7, and pin 16 is connected with one end of+12V power supply and capacitor C1, and capacitor C1's is another
End ground connection；The pin 1 of trigonometric function converter U1 is connected with the sliding end of slide rheostat W1, one end of slide rheostat W1
It is connected with one end of resistance R1, the other end of resistance R1 is connected with the pin 14 of trigonometric function converter U1, slide rheostat W1
Output end of the sliding end as functional transformation circuit 17, port ACOS_out is denoted as, with adaptive amplitude normalizing circuit 18
Input terminal is connected；The model AD639 of the trigonometric function converter U1；
The structure of the adaptive amplitude normalizing circuit 18 is one end of capacitor C11 and one end of resistance R21 and core
The pin 3 of piece U2 is connected, and the other end ground connection of resistance R21, the other end of capacitor C11 is as adaptive amplitude normalizing circuit 18
Signal input part, be denoted as port ADAPT_in, the port ACOS_out of and function translation circuit 17 is connected；The pipe of chip U2
Foot 1, pin 7, pin 8, pin 14 are grounded, and pin 2 is connected with+5V power supply with pin 4, and pin 11 is connected with pin 12
And be connected with one end of capacitor C5 and+5V power supply, the other end ground connection of capacitor C5；The pin 13 of chip U2 and the one of capacitor C4
End is connected, the other end ground connection of capacitor C4；The pin 9 of chip U2 is connected with one end of capacitor C6, another termination of capacitor C6
Ground；The pin 5 of chip U2 is connected with one end of resistance R20 and resistance R19, and the other end ground connection of resistance R20, resistance R19's is another
One end is connected with one end of the output end of amplifier U8 and resistance R17, the positive supply termination+5V power supply of amplifier U8, negative supply termination
Ground；The other end of resistance R17 is connected with one end of one end of resistance R15 and resistance R16, and is connected to the anti-phase input of amplifier U8
End；The non-inverting input terminal of amplifier U8 is connected with one end of resistance R18, and the other end of resistance R18 is connected with+2.5V power supply；Resistance
The other end of R15 is connected with one end of capacitor C10, and is connected to the output end of amplifier U7；Positive supply termination+5V the electricity of amplifier U7
Source, negative power end ground connection；The other end of capacitor C10 is connected with one end of slide rheostat W3 and sliding end, and is connected to amplifier U7
Inverting input terminal；The non-inverting input terminal of amplifier U7 is connected with one end of resistance R14, the other end of resistance R14 and+2.5V electricity
Source is connected；The other end of slide rheostat W3 is connected with one end of resistance R13；The other end and slide rheostat W2 of resistance R16
Sliding end and amplifier U6 output end be connected, one end of slide rheostat W2 is connected with one end of resistance R11；Resistance R11's
The other end is connected with one end of resistance R10, and is connected to the inverting input terminal of amplifier U6；Positive supply termination+5V the electricity of amplifier U6
Source, negative power end ground connection；The non-inverting input terminal of amplifier U6 is connected with one end of resistance R12, the other end of resistance R12 with+
2.5V power supply is connected；The other end of resistance R10 is connected with one end of the other end of resistance R13 and resistance R7, and is connected to amplifier U5
Output end；The other end of resistance R7 is connected with one end of resistance R6, and is connected to the inverting input terminal of amplifier U5；Resistance R6's
The output end of another termination amplifier U4, the positive supply termination+5V power supply of amplifier U5, negative power end ground connection；One end of resistance R8 with
One end of resistance R9 is connected, and is connected to the non-inverting input terminal of amplifier U5, and the other end of resistance R9 is connected with+2.5V power supply；Resistance
Reference voltage input terminal of the other end of R8 as adaptive amplitude normalizing circuit 18, the reference electricity with reference voltage circuit 24
Output end is pressed to be connected；Signal output end of the pin 10 of chip U2 as adaptive amplitude normalizing circuit 18, is denoted as port
ADAPT_out is connected with an input terminal of phase-comparison circuit 19；The pin 10 of chip U2 is connected with one end of capacitor C7,
The other end of capacitor C7 is connected with the non-inverting input terminal of one end of resistance R22 and amplifier U3, the other end ground connection of resistance R22；Electricity
One end of resistance R3 is connected with the anode of one end of capacitor C8 and diode D1, and is connected to the inverting input terminal of amplifier U3, amplifier U3
Substrate (i.e. pin 8) be connected to the inverting input terminal of amplifier U3；Positive supply termination+5V the power supply of amplifier U3, negative supply termination-
5V power supply；The other end of capacitor C8 is connected with the anode of the cathode of diode D1 and diode D2, and is connected to the defeated of amplifier U3
Outlet；The other end of resistance R3 is connected with the inverting input terminal of one end of resistance R4 and amplifier U4, the other end of resistance R4 and two
The grid of the cathode of pole pipe D2 and field-effect tube Q1 are connected, the source electrode of field-effect tube Q1 and one end of capacitor C9 and resistance R5's
One end is connected, and the other end of capacitor C9 is connected and is grounded with the other end of resistance R5；The source electrode and field-effect tube of field-effect tube Q1
The drain electrode of Q1 is connected, and is connected to the non-inverting input terminal of amplifier U4；The inverting input terminal of amplifier U4 and the substrate and amplifier of amplifier U4
The output end of U4 is connected；Positive supply termination+5V the power supply of amplifier U3, negative supply termination -5V power supply；The chip U2 is can
Variable-gain amplifier chip, model are AD8367；
The structure of the phase-comparison circuit 19 is one end of capacitor C12 and the non-inverting input terminal and resistance of amplifier U9
One end of R23 is connected, and an input terminal of the other end of capacitor C12 as phase-comparison circuit 19 is denoted as port PHASE_
In1 is connected with the port ADAPT_out of adaptive amplitude normalizing circuit 18；The other end of resistance R23 is grounded；Amplifier U9 is just
Power supply termination+5V power supply, negative power end ground connection, reverse inter-input-ing ending grounding, the end CLK of output termination d type flip flop U10A；D triggering
The port D of device U10A is grounded；The one end capacitor C13 ground connection, the end PR of another termination d type flip flop U10A；Resistance R24 mono- terminates D
The end PR of trigger U10A, the end Q of another termination d type flip flop U10A；CLR termination+5V the power supply of d type flip flop U10A, D triggering
The end PR of the Q non-terminated d type flip flop U12A of device U10A；One end of capacitor C14 and the non-inverting input terminal of amplifier U11 and resistance R25
One end be connected, another input terminal of the other end of capacitor C12 as phase-comparison circuit 19 is denoted as port PHASE_
In2 is connected with the port SineM_out in controllable frequency source 22；The other end of resistance R25 is grounded；The positive power source terminal of amplifier U11
Connect+5V power supply, negative power end ground connection, reverse inter-input-ing ending grounding, the end CLK of output termination d type flip flop U10B；D type flip flop
The port D of U10B is grounded；The one end capacitor C15 ground connection, the end PR of another termination d type flip flop U10B；Resistance R26 mono- terminates D triggering
The end PR of device U10B, the end Q of another termination d type flip flop U10B；CLR termination+5V the power supply of d type flip flop U10B, d type flip flop
The end CLR of the Q non-terminated d type flip flop U12A of U10B；The end D and the end CLK of d type flip flop U12A is grounded, and the end Q is as phase ratio
Compared with the output end of circuit 19, it is denoted as port PHASE_out, is connected with single-chip microcontroller 20；
The structure of the reference voltage circuit 24 is a termination+5V power supply of resistance R27, another termination amplifier U13
Non-inverting input terminal, the plus earth of zener diode D3, cathode connects amplifier U13 non-inverting input terminal, and the reverse phase of amplifier U13 is defeated
Enter end to be connected with output end, positive supply termination+5V power supply, negative power end ground connection, output end is+2.5V power supply, in each module
+ 2.5V power supply is provided by the output end；A termination+2.5V power supply of slide rheostat W4, other end ground connection, sliding termination
The non-inverting input terminal of amplifier U14；The anti-phase input of amplifier U14 terminates its output end, positive supply termination+5V power supply, negative power end
Ground connection, output end of the output end as reference voltage circuit 24 is denoted as port Vref, with adaptive amplitude normalizing circuit 18
Reference voltage input terminal is connected.
The structure in the controllable frequency source 22 is a termination+12V power supply of resistance R28, another termination triode Q1
Base stage；The base stage of a termination triode Q1 of resistance R29, other end ground connection；A termination+12V of resistance R30, another termination
The collector of triode Q2；The collector of a termination triode Q2 of capacitor C17, the pin 2 of another chip termination U15；Resistance
The emitter of a termination triode Q1 of R31, the anode of another termination electrolytic capacitor C14；A termination electrolysis electricity of resistance R21
Hold the anode of C16, other end ground connection；The cathode of electrolytic capacitor C16 is grounded；The pin 2 of a chip termination U15 of capacitor C18,
The pin 2 of another chip termination U16；The pin 2 of a chip termination U16 of capacitor C19, the other end is as controllable frequency source 22
Output end, be denoted as port SineM_out；The base stage of triode Q2 is connected with port SineM_out；A termination of capacitor C20
The pin 5 of chip U15, other end ground connection；The pin 5 of a chip termination U16 of capacitor C21, other end ground connection；Chip U9's
Pin 1 and pin 10 connect+5V power supply, and pin 3, pin 4 and pin 6 are grounded；One end of 9 connecting resistance R32 of pin, pin 8 connect electricity
Hinder one end of R33, one end of 7 connecting resistance R34 of pin；An input of the other end of resistance R32 as controllable frequency source 22
Port is denoted as port SineM_in1；Another input port of the other end of resistance R33 as controllable frequency source 22, is denoted as
Port SineM_in2；Port SineM_in1 and port SineM_in2 are connected with the output end of single-chip microcontroller 20；Resistance R34 it is another
One termination+5V power supply；The pin 1 and pin 10 of chip U16 connects+5V power supply, and pin 3, pin 4 and pin 6 are grounded；Pin 9 connects
One end of resistance R35, one end of 8 connecting resistance R36 of pin, one end of 7 connecting resistance R37 of pin；Another termination end of resistance R35
Mouth SineM_in1；Another termination port SineM_in2 of resistance R36；Another termination+5V power supply of resistance R37；
The preferred 980nm laser light source of pumping source 10.
First photo-coupler 11 and the preferred splitting ratio of the second photo-coupler 12 is 1 × 2 photo-coupler of 10:90.
The preferred splitting ratio of third photo-coupler 13 is 1 × 2 photo-coupler of 50:50, and the 4th photo-coupler 15 is excellent
Selecting splitting ratio is 2 × 2 photo-couplers of 50:50.
The temperature-control circuit 21 is the prior art, and specific structure can refer to this seminar Shen on July 27th, 2007
Patent of invention " high-stability thermostatic controller " (application number: 2007100559129) please.
The driver circuit for piezoelectric ceramics 23 is the prior art, and specific structure can refer to this seminar July 11 in 2007
Patent of invention filed in day " driver circuit for piezoelectric ceramics adjusted for fiber stress " (application number: 2007100558658).
The photoelectric conversion circuit 16 is the prior art, is the circuit that can convert optical signals into electric signal.
The utility model has the advantages that
1, invention introduces the center wavelength tuning devices that can actively adjust, can be right when environmental condition changes
Compensating action is played in the offset of central wavelength caused by environment, and the central wavelength for effectively increasing the soliton of system output is steady
Fixed degree.
2, this invention takes adaptive amplitude normalizing circuits, and the output signal of functional transformation circuit is carried out amplitude and is returned
One changes, and provides the signal of high quality for subsequent phase-comparison circuit, improves the accuracy of phase-comparison circuit.
Detailed description of the invention
Fig. 1 is whole functional block diagram of the invention.
Fig. 2 is the center wavelength tuning apparatus structure block diagram that the present invention uses.
Fig. 3 is the basic circuit diagram for the functional transformation circuit that the present invention uses.
Fig. 4 is the basic circuit diagram for the adaptive amplitude normalizing circuit that the present invention uses.
Fig. 5 is the basic circuit diagram for the phase-comparison circuit that the present invention uses.
Fig. 6 is the basic circuit diagram for the reference voltage circuit that the present invention uses.
Fig. 7 is the basic circuit diagram in the controllable frequency source that the present invention uses.
Specific embodiment
The working principle of the invention is further illustrated with reference to the accompanying drawing, it should be appreciated that the component marked in attached drawing
Parameter is the preferred parameter that following embodiment uses, rather than limiting the scope of the invention.
The overall structure of the invention of embodiment 1
As shown in Figure 1, overall structure of the invention has, (the HFPC-11- of OZ-OPTICS company production of Polarization Controller 1
1064-S-9/125-3U complete optical fiber polarization controller) input terminal and the first photo-coupler 11 (OZ-OPTICS company produces,
Model FUSED-12-1064-7/125-90/10-3U-3mm, splitting ratio 90:10) 90% output end be connected, polarization control
Output end and 1 × N photoswitch 2 (the model MFOS-12-9/125-S-1060-3U of OZ-OPTICS company production of device 1 processed
All -fiber photoswitch) public input terminal be connected, N number of output end of 1 × N photoswitch 2 passes through the N item in optical fiber group 3 respectively
Different single mode optical fibers and (the model FUSED-12-1060-7/125-50/ of OZ-OPTICS company production of 1 × N photo-coupler 4
The fiber coupler of 50-3U-3mm) N number of input terminal be connected, (the SM1500 type of FIBERCORE company of optical fiber group 3
General single mode fiber) it is to be made of the different single mode optical fiber of N length, N is 2~8 integer, the public affairs of 1 × N photo-coupler 4
One end of output end and saturable absorber 5 (German BATOP company SA-1064-25-2ps-FC/PC saturable absorber) altogether
It is connected, the other end of saturable absorber 5 is connected with the input terminal of center wavelength tuning device 6, center wavelength tuning device 6
Output be connected with the input terminal of optoisolator 7 (THORLABS company IO-H-1064B single mode optoisolator), optoisolator 7
Output end pass through the Er-doped fiber 8 SM-ESF-7/125 Er-doped fiber of production (Nufern company of the U.S.) and optical wavelength division multiplexing
The common end of device 9 (COMCORE company 980/1550nm single mode optical fiber wavelength division multiplexer) is connected, light wavelength division multiplexing 9
The end 980nm and pump light source 10 (the LC962U type pumping source of OCLARO company, central wavelength 980nm, maximum single-mode output light
Power is 750mW) output end be connected, the input terminal phase at the end 1550nm of light wavelength division multiplexing 9 and the first photo-coupler 11
Even, (OZ-OPTICS company produces, model for 10% output end of the first photo-coupler 11 and the second photo-coupler 12
FUSED-12-1064-7/125-90/10-3U-3mm, splitting ratio 90:10) input terminal be connected, the second photo-coupler 12
10% output end is as final output of the invention, 90% output end and the third photo-coupler 13 of the second photo-coupler 12
Input terminal is connected, (the model FUSED-12-1060-7/125-50/ of OZ-OPTICS company production of third photo-coupler 13
50-3U-3mm, splitting ratio are 1 × 2 fiber coupler of 50:50) one of an output end and the 4th photo-coupler 15 it is defeated
Enter end to be connected, (cylindrical piezoelectric is ceramic, outer diameter with piezoelectric ceramics 14 is wrapped in for the another output of third photo-coupler 13
50mm, internal diameter 40mm, high 50mm) one end of upper optical fiber be connected, be wrapped in the other end of the optical fiber on piezoelectric ceramics 14 with
(the model FUSED-12-1060-7/125-50/50-3U-3mm of OZ-OPTICS company production, divides 4th photo-coupler 15
Light is than 1 × 2 fiber coupler for 50:50) another input terminal be connected, the output end and photoelectricity of the 4th photo-coupler 15
The input terminal of conversion circuit 16 is connected, and the input terminal of the output end and function translation circuit 17 of photoelectric conversion circuit 16 is connected, letter
The output end of transformation of variables circuit 17 is connected with the signal input part of adaptive amplitude normalizing circuit 18, adaptive amplitude normalizing electricity
The signal output end on road 18 is connected with an input terminal of phase-comparison circuit 19, the output end of reference voltage circuit 24 with from
The reference voltage input terminal of amplitude of adaptation normalizing circuit 18 is connected, the output end and phase ratio of adaptive amplitude normalizing circuit 18
An input terminal compared with circuit 19 is connected, and the output end of phase-comparison circuit 19 is connected with single-chip microcontroller 20 (STC89151), monolithic
Machine 20 is connected with the input control end in controllable frequency source 22, sinusoidal signal output end and the phase bit comparison electricity in controllable frequency source 22
Another input terminal on road 19 is connected, and also (the homemade device of this seminar, specific structure are shown in driver circuit for piezoelectric ceramics 23
Patent ZL200710055865.8) input terminal be connected, the output end of driver circuit for piezoelectric ceramics 23 and piezoelectric ceramics 14 control
End be connected, single-chip microcontroller 20 is connected with the temperature setting end of temperature-control circuit 21, the current output terminal of temperature-control circuit 21 and
Semiconductor heat electric refrigerator 64 in center wavelength tuning device 6 is connected, the thermistor input terminal of temperature-control circuit 21 with
The thermistor 63 of center wavelength tuning device 6 is connected.
2 center wavelength tuning device of embodiment
The structure of the center wavelength tuning device 6 is, aluminium block 61 lower surface and cooling fin 65 upper surface it
Between accompany semiconductor heat electric refrigerator 64 (TEC12705)；Thermistor 63 (25 ° of 10k Ω@) and 62 (JH- of Bragg grating
FGA-A101) it is attached to the upper surface of aluminium block 61；Thermistor 63 is connected with the thermistor input terminal of temperature-control circuit 22；
Semiconductor heat electric refrigerator 64 is connected with the current output terminal of temperature-control circuit 22；One end of Bragg grating 62 and the ring of light
The second port of shape device 66 (the PIOC3 type optical circulator of Shanghai Han Yu company) is connected, the first port of optical circulator 66 and institute
The saturable absorber 5 (German BATOP company SA-1064-25-2ps-FC/PC saturable absorber) stated is connected, third end
Mouth is connected with the input terminal of the optoisolator 7.When the soliton central wavelength of system detection to output changes,
It can reversely be adjusted by center wavelength tuning device 6, and then stablize the central wavelength of output soliton.
3 functional transformation circuit of embodiment
The structure of the functional transformation circuit 17 is one end of capacitor C3 and the pin 12 of trigonometric function converter U1
And one end of resistance R2 is connected, input terminal of the other end of capacitor C3 as functional transformation circuit 17 is denoted as port ACOS_in,
It is connected with the output end of photoelectric conversion circuit 16；The other end of resistance R2 is grounded；The pin 2 of trigonometric function converter U1,3,4,
5,8,11,13 ground connection, pin 9,10 are connected with one end of capacitor C2 and -12V power supply, the other end ground connection of capacitor C2；Triangle letter
The pin 6 of number converter U1 is connected with pin 7, and pin 16 is connected with one end of+12V power supply and capacitor C1, and capacitor C1's is another
End ground connection；The pin 1 of trigonometric function converter U1 is connected with the sliding end of slide rheostat W1, one end of slide rheostat W1
It is connected with one end of resistance R1, the other end of resistance R1 is connected with the pin 14 of trigonometric function converter U1, slide rheostat W1
Output end of the sliding end as functional transformation circuit 17, port ACOS_out is denoted as, with adaptive amplitude normalizing circuit 18
Input terminal is connected；The model AD639 of the trigonometric function converter U1.The circuit has the function of anti-cosine transform, to light
The signal that power conversion circuit 16 exports carries out anticosine processing.
The adaptive amplitude normalizing circuit of embodiment 4
Since the signal amplitude that the functional transformation circuit 17 described at different conditions exports is also different, when it is big when it is small, because
This is handled in order to facilitate phase-comparison circuit 19, improves the precision of phase bit comparison, and adaptive amplitude has also been devised in the present invention
Normalizing circuit 18, specific structure as shown in figure 4, one end of capacitor C11 and one end of resistance R21 and chip U2 3 phase of pin
Even, the other end ground connection of resistance R21, signal input part of the other end of capacitor C11 as adaptive amplitude normalizing circuit 18,
It is denoted as port ADAPT_in, the port ACOS_out of and function translation circuit 17 is connected；Pin 1, the pin 7, pin of chip U2
8, pin 14 is grounded, and pin 2 is connected with+5V power supply with pin 4, and pin 11 is connected and one with capacitor C5 with pin 12
End and+5V power supply are connected, the other end ground connection of capacitor C5；The pin 13 of chip U2 is connected with one end of capacitor C4, capacitor C4's
Other end ground connection；The pin 9 of chip U2 is connected with one end of capacitor C6, the other end ground connection of capacitor C6；The pin 5 of chip U2
It is connected with one end of resistance R20 and resistance R19, the other end of resistance R20 ground connection, the other end of resistance R19 is defeated with amplifier U8's
One end of outlet and resistance R17 are connected, the positive supply termination+5V power supply of amplifier U8, negative power end ground connection；Resistance R17's is another
End is connected with one end of one end of resistance R15 and resistance R16, and is connected to the inverting input terminal of amplifier U8；The same phase of amplifier U8
Input terminal is connected with one end of resistance R18, and the other end of resistance R18 is connected with+2.5V power supply；The other end and electricity of resistance R15
The one end for holding C10 is connected, and is connected to the output end of amplifier U7；Positive supply termination+5V the power supply of amplifier U7, negative power end ground connection；
The other end of capacitor C10 is connected with one end of slide rheostat W3 and sliding end, and is connected to the inverting input terminal of amplifier U7；Fortune
The non-inverting input terminal for putting U7 is connected with one end of resistance R14, and the other end of resistance R14 is connected with+2.5V power supply；Slide variable resistance
The other end of device W3 is connected with one end of resistance R13；The other end of resistance R16 and the sliding end and amplifier of slide rheostat W2
The output end of U6 is connected, and one end of slide rheostat W2 is connected with one end of resistance R11；The other end and resistance of resistance R11
One end of R10 is connected, and is connected to the inverting input terminal of amplifier U6；Positive supply termination+5V the power supply of amplifier U6, negative supply termination
Ground；The non-inverting input terminal of amplifier U6 is connected with one end of resistance R12, and the other end of resistance R12 is connected with+2.5V power supply；Resistance
The other end of R10 is connected with one end of the other end of resistance R13 and resistance R7, and is connected to the output end of amplifier U5；Resistance R7's
The other end is connected with one end of resistance R6, and is connected to the inverting input terminal of amplifier U5；Another termination amplifier U4's of resistance R6 is defeated
Outlet, the positive supply termination+5V power supply of amplifier U5, negative power end ground connection；One end of resistance R8 is connected with one end of resistance R9,
And it is connected to the non-inverting input terminal of amplifier U5, the other end of resistance R9 is connected with+2.5V power supply；The other end of resistance R8 is used as certainly
The reference voltage output terminal of amplitude of adaptation normalizing circuit 18, is connected with the reference voltage output terminal of reference voltage circuit 24；Chip
Signal output end of the pin 10 of U2 as adaptive amplitude normalizing circuit 18, is denoted as port ADAPT_out, with phase bit comparison
One input terminal of circuit 19 is connected；The pin 10 of chip U2 is connected with one end of capacitor C7, the other end and resistance of capacitor C7
One end of R22 and the non-inverting input terminal of amplifier U3 are connected, the other end ground connection of resistance R22；One end of resistance R3 is with capacitor C8's
The anode of one end and diode D1 are connected, and are connected to the inverting input terminal of amplifier U3, and the substrate (i.e. pin 8) of amplifier U3 is connected to
The inverting input terminal of amplifier U3；Positive supply termination+5V the power supply of amplifier U3, negative supply termination -5V power supply；Capacitor C8's is another
End is connected with the anode of the cathode of diode D1 and diode D2, and is connected to the output end of amplifier U3；The other end of resistance R3 with
One end of resistance R4 and the inverting input terminal of amplifier U4 are connected, the other end of resistance R4 and the cathode of diode D2 and field-effect
The grid of pipe Q1 is connected, and the source electrode of field-effect tube Q1 is connected with one end of one end of capacitor C9 and resistance R5, and capacitor C9's is another
End is connected and is grounded with the other end of resistance R5；The source electrode of field-effect tube Q1 is connected with the drain electrode of field-effect tube Q1, and is connected to fortune
Put the non-inverting input terminal of U4；The inverting input terminal of amplifier U4 is connected with the output end of the substrate of amplifier U4 and amplifier U4；Amplifier U3
Positive supply termination+5V power supply, negative supply termination -5V power supply；The chip U2 is variable gain amplifier chip, model
It is AD8367.The signal amplitude that functional transformation circuit 17 exports is unified into moderate size (frequency, phase invariant) by the circuit,
To be suitble to phase-comparison circuit 19 to handle, the precision of phase bit comparison is improved.
5 phase-comparison circuit of embodiment
The structure of the phase-comparison circuit 19 is as shown in figure 5, one end of capacitor C12 and the homophase input of amplifier U9
End and one end of resistance R23 are connected, and an input terminal of the other end of capacitor C12 as phase-comparison circuit 19 is denoted as port
PHASE_in1 is connected with the port ADAPT_out of adaptive amplitude normalizing circuit 18；The other end of resistance R23 is grounded；Amplifier
Positive supply termination+5V the power supply of U9, negative power end ground connection, reverse inter-input-ing ending grounding, the CLK of output termination d type flip flop U10A
End；The port D of d type flip flop U10A is grounded；The one end capacitor C13 ground connection, the end PR of another termination d type flip flop U10A；Resistance R24
The end PR of one termination d type flip flop U10A, the end Q of another termination d type flip flop U10A；CLR termination+5V the electricity of d type flip flop U10A
Source, the end PR of the Q non-terminated d type flip flop U12A of d type flip flop U10A；One end of capacitor C14 and the non-inverting input terminal of amplifier U11
And one end of resistance R25 is connected, another input terminal of the other end of capacitor C12 as phase-comparison circuit 19 is denoted as port
PHASE_in2 is connected with the port SineM_out in controllable frequency source 22；The other end of resistance R25 is grounded；Amplifier U11 is just
Power supply termination+5V power supply, negative power end ground connection, reverse inter-input-ing ending grounding, the end CLK of output termination d type flip flop U10B；D touching
Send out the port the D ground connection of device U10B；The one end capacitor C15 ground connection, the end PR of another termination d type flip flop U10B；Resistance R26 mono- terminates D
The end PR of trigger U10B, the end Q of another termination d type flip flop U10B；CLR termination+5V the power supply of d type flip flop U10B, D triggering
The end CLR of the Q non-terminated d type flip flop U12A of device U10B；The end D and the end CLK of d type flip flop U12A is grounded, and the end Q is as phase
The output end of comparison circuit 19 is denoted as port PHASE_out, is connected with one I/O mouthfuls of single-chip microcontroller 20.The circuit will be controllable
The standard sine wave that frequency source 22 exports carries out phase bit comparison with the sine wave that adaptive amplitude normalizing circuit 18 exports, and compares
Result to single-chip microcontroller.
6 reference voltage circuit of embodiment
The structure of the reference voltage circuit 24 is a termination+5V power supply of resistance R27, another termination amplifier U13
Non-inverting input terminal, the plus earth of zener diode D3, cathode connects amplifier U13 non-inverting input terminal, and the reverse phase of amplifier U13 is defeated
Enter end to be connected with output end, positive supply termination+5V power supply, negative power end ground connection, output end is+2.5V power supply, adaptive amplitude
+ 2.5V power supply in normalizing circuit 18 is provided by the output end；A termination+2.5V power supply of slide rheostat W4, another termination
Ground, the non-inverting input terminal of sliding termination amplifier U14；The anti-phase input of amplifier U14 terminates its output end, positive supply termination+5V electricity
Source, negative power end ground connection, output end of the output end as reference voltage circuit 24 is denoted as port Vref, with adaptive amplitude
The reference voltage input terminal of normalizing circuit 18 is connected.The circuit be adaptive amplitude normalizing circuit 18 provide reference voltage and+
2.5V voltage.
7 controllable frequency source of embodiment
As shown in fig. 7, the structure in the controllable frequency source 22 is, and a termination+12V power supply of resistance R28, the other end
Connect the base stage of triode Q1；The base stage of a termination triode Q1 of resistance R29, other end ground connection；A termination of resistance R30+
12V, the collector of another termination triode Q2；The collector of a termination triode Q2 of capacitor C17, another chip termination U15
Pin 2；The emitter of a termination triode Q1 of resistance R31, the anode of another termination electrolytic capacitor C14；Resistance R21's
The anode of one termination electrolytic capacitor C16, other end ground connection；The cathode of electrolytic capacitor C16 is grounded；A chip termination of capacitor C18
The pin 2 of U15, the pin 2 of another chip termination U16；The pin 2 of a chip termination U16 of capacitor C19, the other end is used as can
The output end for controlling frequency source 22, is denoted as port SineM_out；The base stage of triode Q2 is connected with port SineM_out；Capacitor
The pin 5 of a chip termination U15 of C20, other end ground connection；The pin 5 of a chip termination U16 of capacitor C21, another termination
Ground；The pin 1 and pin 10 of chip U9 connects+5V power supply, and pin 3, pin 4 and pin 6 are grounded；The one of 9 connecting resistance R32 of pin
End, one end of 8 connecting resistance R33 of pin, one end of 7 connecting resistance R34 of pin；The other end of resistance R32 is as controllable frequency source
22 input port, is denoted as port SineM_in1；The other end of resistance R33 as controllable frequency source 22 another is defeated
Inbound port is denoted as port SineM_in2；Port SineM_in1 and port SineM_in2 are connected with the output end of single-chip microcontroller 20；
Another termination+5V power supply of resistance R34；The pin 1 and pin 10 of chip U16 connects+5V power supply, pin 3, pin 4 and pin 6
Ground connection；One end of 9 connecting resistance R35 of pin, one end of 8 connecting resistance R36 of pin, one end of 7 connecting resistance R37 of pin；Resistance R35
Another termination port SineM_in1；Another termination port SineM_in2 of resistance R36；Another termination+5V of resistance R37
Power supply.The adjustable standard sine wave of module output frequency provides required modulated signal for driver circuit for piezoelectric ceramics 23,
Reference phase reference is provided simultaneously for phase-comparison circuit 19.
8 the working principle of the invention of embodiment
In conjunction with the various embodiments described above and each attached drawing, illustrate the working principle of the invention.
In entire block diagram shown in Fig. 1, by Polarization Controller 1,1 × N photoswitch 2,3~the first optical coupling of optical fiber group
Device 11 is configured to generate the fundamental resonance chamber of soliton, when by 1 × N photoswitch 2 and 1 × N photo-coupler 4 from optical fiber group 3
When the optical fiber of middle selection different length, resonant cavity can generate different types of soliton, generated a part of signal of soliton
It is entered by the second photo-coupler 12 by third photo-coupler 13, piezoelectric ceramics 14, driver circuit for piezoelectric ceramics the 23, the 4th
You are interfered at interferometer the Mach Zehnder that photo-coupler 15 is constituted, while controllable frequency source 22 is Mach Zehnder that interferometer
A control signal sin (ω t) is provided, which is influenced in interferometer by soliton central wavelength, then through photoelectric conversion
Circuit 16 is converted into electric signal and by obtaining sin (ω t+ Δ θ), the signal after the anti-cosine transform of functional transformation circuit 17
It is adjusted to a fixed size by adaptive 18 amplitude of amplitude normalizing circuit, signal and controllable frequency source at this time
22, which generate sinusoidal signal sin (ω t), compares, and phase is changed, by phase-comparison circuit 19 by the phase difference of the two
Detected and be sent into single-chip microcontroller 20, the central wavelength of phase difference soliton caused by fundamental resonance chamber is determined, when
It, can be right by temperature-control circuit 21 when single-chip microcontroller 20 detects that central wavelength and preset central wavelength change
The temperature of Bragg grating in center wavelength tuning device 6 is adjusted, to adversely affect soliton in fundamental resonance chamber
Central wavelength, and then realize the purpose for stablizing central wavelength, final soliton signal is defeated from the 10% of the second photo-coupler 12
Outlet is exported.
Claims (3)
1. a kind of a variety of orphan's generators of sufficient center wavelength accuracy, structure have, the output end of optoisolator (7) passes through er-doped light
Fine (8) are connected with the common end of light wavelength division multiplexing (9), and the end 980nm of light wavelength division multiplexing (9) is defeated with pump light source (10)
Outlet is connected, and the end 1550nm of light wavelength division multiplexing (9) is connected with the input terminal of the first photo-coupler (11), the first photo-coupler
(11) 90% output end is connected with the input terminal of Polarization Controller (1), the output end and 1 × N photoswitch of Polarization Controller (1)
(2) public input terminal is connected, and N number of output end of 1 × N photoswitch (2) passes through the different list of the N item in optical fiber group (3) respectively
Mode fiber is connected with N number of input terminal of 1 × N photo-coupler (4), and the optical fiber group (3) is the single-mode optics different by N length
What fibre was constituted, N is 2~8 integer, one end phase of the public output and saturable absorber (5) of 1 × N photo-coupler (4)
Even；
It is characterized in that, structure is in addition, the other end of saturable absorber (5) and the input terminal of center wavelength tuning device (6)
It is connected, the output end of center wavelength tuning device (6) is connected with the input terminal of optoisolator (7)；First photo-coupler (11)
10% output end is connected with the input terminal of the second photo-coupler (12), and 10% output end of the second photo-coupler (12) is as this hair
90% output end of bright final output, the second photo-coupler (12) is connected with the input terminal of third photo-coupler (13), third
One output end of photo-coupler (13) is connected with an input terminal of the 4th photo-coupler (15), third photo-coupler (13)
Another output is connected with the one end for the optical fiber being wrapped on piezoelectric ceramics (14), the optical fiber being wrapped on piezoelectric ceramics (14)
The other end be connected with another input terminal of the 4th photo-coupler (15), the output end of the 4th photo-coupler (15) and photoelectricity turn
The input terminal for changing circuit (16) is connected, the input terminal phase of the output end and function translation circuit (17) of photoelectric conversion circuit (16)
Even, the output end of functional transformation circuit (17) is connected with the signal input part of adaptive amplitude normalizing circuit (18), adaptive width
The signal output end of degree normalizing circuit (18) is connected with an input terminal of phase-comparison circuit (19), reference voltage circuit (24)
Output end be connected with the reference voltage input terminal of adaptive amplitude normalizing circuit (18), adaptive amplitude normalizing circuit (18)
Output end is connected with an input terminal of phase-comparison circuit (19), the output end of phase-comparison circuit (19) and single-chip microcontroller (20)
It is connected, single-chip microcontroller (20) is connected with the input control end of controllable frequency source (22), the sinusoidal signal output of controllable frequency source (22)
End is connected with another input terminal of phase-comparison circuit (19), is also connected with the input terminal of driver circuit for piezoelectric ceramics (23),
The output end of driver circuit for piezoelectric ceramics (23) is connected with the control terminal of piezoelectric ceramics (14), single-chip microcontroller (20) and temperature control electricity
The temperature setting end on road (21) is connected, in the current output terminal of temperature-control circuit (21) and center wavelength tuning device (6)
Semiconductor heat electric refrigerator (64) is connected, the thermistor input terminal and center wavelength tuning device of temperature-control circuit (21)
(6) thermistor (63) is connected；
The structure of the center wavelength tuning device (6) is, in the lower surface of aluminium block (61) and the upper surface of cooling fin (65)
Between accompany semiconductor heat electric refrigerator (64)；Thermistor (63) and Bragg grating (62) are attached to the upper table of aluminium block (61)
Face；Thermistor (63) is connected with the thermistor input terminal of temperature-control circuit (22)；Semiconductor heat electric refrigerator (64) with
The current output terminal of temperature-control circuit (22) is connected；One end of Bragg grating (62) and the second port of optical circulator (66)
It is connected, the input terminal of wave length tuning device (6) centered on the first port of optical circulator (66), with the saturable absorption
Body (5) is connected, the output end of wave length tuning device (6) and the optical isolation centered on the third port of optical circulator (66)
The input terminal of device (7) is connected；
The structure of the functional transformation circuit (17) is one end of capacitor C3 and the pin 12 and electricity of trigonometric function converter U1
The one end for hindering R2 is connected, and input terminal of the other end of capacitor C3 as functional transformation circuit (17) is denoted as port ACOS_in, with
The output end of photoelectric conversion circuit (16) is connected；The other end of resistance R2 is grounded；The pin 2 of trigonometric function converter U1,3,4,
5,8,11,13 ground connection, pin 9,10 are connected with one end of capacitor C2 and -12V power supply, the other end ground connection of capacitor C2；Triangle letter
The pin 6 of number converter U1 is connected with pin 7, and pin 16 is connected with one end of+12V power supply and capacitor C1, and capacitor C1's is another
End ground connection；The pin 1 of trigonometric function converter U1 is connected with the sliding end of slide rheostat W1, one end of slide rheostat W1 with
One end of resistance R1 is connected, and the other end of resistance R1 is connected with the pin 14 of trigonometric function converter U1, slide rheostat W1's
Output end of the sliding end as functional transformation circuit (17), is denoted as port ACOS_out, with adaptive amplitude normalizing circuit (18)
Input terminal be connected；The model AD639 of the trigonometric function converter U1；
The structure of the adaptive amplitude normalizing circuit (18) is one end of capacitor C11 and one end of resistance R21 and chip U2
Pin 3 be connected, the other end of resistance R21 ground connection, letter of the other end of capacitor C11 as adaptive amplitude normalizing circuit (18)
Number input terminal, is denoted as port ADAPT_in, and the port ACOS_out of and function translation circuit (17) is connected；The pin 1 of chip U2,
Pin 7, pin 8, pin 14 are grounded, and pin 2 is connected with+5V power supply with pin 4, pin 11 be connected with pin 12 and with electricity
The one end and+5V power supply for holding C5 are connected, the other end ground connection of capacitor C5；The pin 13 of chip U2 is connected with one end of capacitor C4,
The other end of capacitor C4 is grounded；The pin 9 of chip U2 is connected with one end of capacitor C6, the other end ground connection of capacitor C6；Chip U2
Pin 5 be connected with one end of resistance R20 and resistance R19, the other end of resistance R20 ground connection, the other end and amplifier of resistance R19
The output end of U8 and one end of resistance R17 are connected, the positive supply termination+5V power supply of amplifier U8, negative power end ground connection；Resistance R17
The other end be connected with one end of one end of resistance R15 and resistance R16, and be connected to the inverting input terminal of amplifier U8；Amplifier U8's
Non-inverting input terminal is connected with one end of resistance R18, and the other end of resistance R18 is connected with+2.5V power supply；The other end of resistance R15
It is connected with one end of capacitor C10, and is connected to the output end of amplifier U7；Positive supply termination+5V the power supply of amplifier U7, negative supply termination
Ground；The other end of capacitor C10 is connected with one end of slide rheostat W3 and sliding end, and is connected to the inverting input terminal of amplifier U7；
The non-inverting input terminal of amplifier U7 is connected with one end of resistance R14, and the other end of resistance R14 is connected with+2.5V power supply；Slide variable resistance
The other end of device W3 is connected with one end of resistance R13；The other end of resistance R16 and the sliding end of slide rheostat W2 and amplifier U6
Output end be connected, one end of slide rheostat W2 is connected with one end of resistance R11；The other end of resistance R11 is with resistance R10's
One end is connected, and is connected to the inverting input terminal of amplifier U6；Positive supply termination+5V the power supply of amplifier U6, negative power end ground connection；Amplifier
The non-inverting input terminal of U6 is connected with one end of resistance R12, and the other end of resistance R12 is connected with+2.5V power supply；Resistance R10's is another
One end is connected with one end of the other end of resistance R13 and resistance R7, and is connected to the output end of amplifier U5；The other end of resistance R7 with
One end of resistance R6 is connected, and is connected to the inverting input terminal of amplifier U5；The output end of another termination amplifier U4 of resistance R6, amplifier
Positive supply termination+5V the power supply of U5, negative power end ground connection；One end of resistance R8 is connected with one end of resistance R9, and is connected to amplifier
The other end of the non-inverting input terminal of U5, resistance R9 is connected with+2.5V power supply；The other end of resistance R8 is as adaptive amplitude normalizing
The reference voltage input terminal of circuit (18) is connected with the reference voltage output terminal of reference voltage circuit (24)；The pin of chip U2
10 signal output end as adaptive amplitude normalizing circuit (18) is denoted as port ADAPT_out, with phase-comparison circuit (19)
An input terminal be connected；The pin 10 of chip U2 is connected with one end of capacitor C7, the other end of capacitor C7 and the one of resistance R22
The non-inverting input terminal of end and amplifier U3 are connected, the other end ground connection of resistance R22；One end of resistance R3 and one end and two of capacitor C8
The anode of pole pipe D1 is connected, and is connected to the inverting input terminal of amplifier U3, and the substrate (i.e. pin 8) of amplifier U3 is connected to the anti-of amplifier U3
Phase input terminal；Positive supply termination+5V the power supply of amplifier U3, negative supply termination -5V power supply；The other end and diode D1 of capacitor C8
Cathode and the anode of diode D2 be connected, and be connected to the output end of amplifier U3；The other end of resistance R3 and one end of resistance R4
And the inverting input terminal of amplifier U4 is connected, the grid phase of the other end of resistance R4 and the cathode of diode D2 and field-effect tube Q1
Even, the source electrode of field-effect tube Q1 is connected with one end of one end of capacitor C9 and resistance R5, and the other end of capacitor C9 is with resistance R5's
The other end is connected and is grounded；The source electrode of field-effect tube Q1 is connected with the drain electrode of field-effect tube Q1, and is connected to the same mutually defeated of amplifier U4
Enter end；The inverting input terminal of amplifier U4 is connected with the output end of the substrate of amplifier U4 and amplifier U4；The positive supply termination of amplifier U3+
5V power supply, negative supply termination -5V power supply；The chip U2 is variable gain amplifier chip, and model is AD8367；
The structure of the phase-comparison circuit (19) is one end of capacitor C12 and the non-inverting input terminal of amplifier U9 and resistance R23
One end be connected, an input terminal of the other end of capacitor C12 as phase-comparison circuit (19) is denoted as port PHASE_in1,
It is connected with the port ADAPT_out of adaptive amplitude normalizing circuit (18)；The other end of resistance R23 is grounded；The positive electricity of amplifier U9
Source connects+5V power supply, negative power end ground connection, reverse inter-input-ing ending grounding, the end CLK of output termination d type flip flop U10A；D type flip flop
The port D of U10A is grounded；The one end capacitor C13 ground connection, the end PR of another termination d type flip flop U10A；Resistance R24 mono- terminates D triggering
The end PR of device U10A, the end Q of another termination d type flip flop U10A；CLR termination+5V the power supply of d type flip flop U10A, d type flip flop U10A
Q non-terminated d type flip flop U12A the end PR；One end of one end of capacitor C14 and the non-inverting input terminal of amplifier U11 and resistance R25
It is connected, another input terminal of the other end of capacitor C12 as phase-comparison circuit (19) is denoted as port PHASE_in2, and can
The port SineM_out for controlling frequency source (22) is connected；The other end of resistance R25 is grounded；Positive supply termination+5V the electricity of amplifier U11
Source, negative power end ground connection, reverse inter-input-ing ending grounding, the end CLK of output termination d type flip flop U10B；The port D of d type flip flop U10B
Ground connection；The one end capacitor C15 ground connection, the end PR of another termination d type flip flop U10B；The PR of the termination of resistance R26 mono- d type flip flop U10B
End, the end Q of another termination d type flip flop U10B；CLR termination+5V the power supply of d type flip flop U10B, the Q non-terminated D of d type flip flop U10B
The end CLR of trigger U12A；The end D and the end CLK of d type flip flop U12A is grounded, output of the end Q as phase-comparison circuit (19)
End, is denoted as port PHASE_out, is connected with single-chip microcontroller (20)；
The structure of the reference voltage circuit (24) is a termination+5V power supply of resistance R27, and another termination amplifier U13's is same
Phase input terminal, the plus earth of zener diode D3, cathode connect amplifier U13 non-inverting input terminal, the inverting input terminal of amplifier U13 with
Output end is connected, positive supply termination+5V power supply, and negative power end ground connection, output end is+2.5V power supply ,+2.5V the electricity in each module
Source is provided by the output end；A termination+2.5V power supply of slide rheostat W4, other end ground connection, sliding termination amplifier U14's
Non-inverting input terminal；The anti-phase input of amplifier U14 terminates its output end, positive supply termination+5V power supply, negative power end ground connection, output
The output end as reference voltage circuit (24) is held, port Vref is denoted as, the reference electricity with adaptive amplitude normalizing circuit (18)
Input terminal is pressed to be connected.
The structure in the controllable frequency source (22) is a termination+12V power supply of resistance R28, the base of another termination triode Q1
Pole；The base stage of a termination triode Q1 of resistance R29, other end ground connection；A termination+12V of resistance R30, three poles of another termination
The collector of pipe Q2；The collector of a termination triode Q2 of capacitor C17, the pin 2 of another chip termination U15；Resistance R31's
The emitter of one termination triode Q1, the anode of another termination electrolytic capacitor C14；A termination electrolytic capacitor C16's of resistance R21
Anode, other end ground connection；The cathode of electrolytic capacitor C16 is grounded；The pin 2 of a chip termination U15 of capacitor C18, another termination
The pin 2 of chip U16；The pin 2 of a chip termination U16 of capacitor C19, output of the other end as controllable frequency source (22)
End, is denoted as port SineM_out；The base stage of triode Q2 is connected with port SineM_out；A chip termination U15 of capacitor C20
Pin 5, the other end ground connection；The pin 5 of a chip termination U16 of capacitor C21, other end ground connection；The pin 1 and pipe of chip U9
Foot 10 connects+5V power supply, and pin 3, pin 4 and pin 6 are grounded；One end of 9 connecting resistance R32 of pin, the one of 8 connecting resistance R33 of pin
End, one end of 7 connecting resistance R34 of pin；An input port of the other end of resistance R32 as controllable frequency source (22), is denoted as
Port SineM_in1；Another input port of the other end of resistance R33 as controllable frequency source (22), is denoted as port
SineM_in2；Port SineM_in1 and port SineM_in2 is connected with the output end of single-chip microcontroller (20)；Resistance R34 it is another
Termination+5V power supply；The pin 1 and pin 10 of chip U16 connects+5V power supply, and pin 3, pin 4 and pin 6 are grounded；Pin 9 connects electricity
Hinder one end of R35, one end of 8 connecting resistance R36 of pin, one end of 7 connecting resistance R37 of pin；Another termination port of resistance R35
SineM_in1；Another termination port SineM_in2 of resistance R36；Another termination+5V power supply of resistance R37.
2. a kind of a variety of orphan's generators of sufficient center wavelength accuracy according to claim 1, which is characterized in that the pump
Pu light source (10) is 980nm laser light source.
3. a kind of a variety of orphan's generators of sufficient center wavelength accuracy according to claim 1, which is characterized in that described
One photo-coupler (11) and the second photo-coupler (12) are all 1 × 2 photo-couplers that splitting ratio is 10:90；The third light
Coupler (13) is 1 × 2 photo-coupler that splitting ratio is 50:50；4th photo-coupler (15) is 2 × 2 that splitting ratio is 50:50
Photo-coupler.
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