CN105242478B - A kind of optical parameter gain method and system - Google Patents
A kind of optical parameter gain method and system Download PDFInfo
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- CN105242478B CN105242478B CN201510810481.7A CN201510810481A CN105242478B CN 105242478 B CN105242478 B CN 105242478B CN 201510810481 A CN201510810481 A CN 201510810481A CN 105242478 B CN105242478 B CN 105242478B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 252
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000003595 spectral effect Effects 0.000 claims abstract description 39
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000001228 spectrum Methods 0.000 claims description 9
- 230000006641 stabilisation Effects 0.000 claims description 7
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- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 abstract description 24
- 238000005086 pumping Methods 0.000 abstract description 5
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/392—Parametric amplification
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Abstract
The embodiment of the invention discloses a kind of optical parameter gain method and system, method to include:First optical signal and the second optical signal are coupled into optical fiber parameter amplifier, and temperature is adjusted temperature control device, to carry out gain to the optical parameter of the first optical signal, until the optical parameter yield value of the first optical signal reaches predetermined threshold value;The first optical signal after output gain is exported by optical signal.The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pumping light power, zero-dispersion wavelength of fiber, chromatic dispersion gradient and nonlinear factor.Temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor all have an impact, and can save cost compared to pump laser by adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first.In addition, according to the wavelength and optical parameter yield value of multiple first optical signals of storage, optical parameter gain spectral is drawn.By adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first, flat optical parameter gain spectral can be obtained.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of optical parameter gain method and system.
Background technology
Beche-de-mer without spike flow gain refers to:A branch of high-frequency light and a branch of low-frequency light enter in nonlinear dielectric simultaneously, out
Light among low-frequency light be amplified due to beat effect, this phenomenon is referred to as optically erasing or beche-de-mer without spike flow gain.
Existing optical parameter gain method is:High-frequency pump light and low-frequency flashlight are put coupled to Fiber-optic parameter
Big device, by pump laser adjust pump light power, to low-frequency flashlight carry out gain, due to light power with
Frequency is proportional, therefore can realize the adjustment to frequency by way of adjusting power.
But profit realizes beche-de-mer without spike flow gain, it is necessary to using pump laser with the aforedescribed process, due to pump laser compared with
Costliness, therefore cost is higher.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of optical parameter gain method and system, to save cost.
To reach above-mentioned purpose, the embodiment of the invention discloses a kind of optical parameter gain method, applied to beche-de-mer without spike flow gain
System, the optical parameter gain system, can at least include:Optical signal entrance, coupler, temperature control device, Fiber-optic parameter amplification
Device, optical signal detecting device and optical signal outlet, wherein, the optical fiber parameter amplifier is located in the temperature control device, described
Temperature control device includes N number of fan-shaped warm area, and each fan-shaped warm area includes part fiber parameter amplifier;
Methods described includes:
First optical signal and the second optical signal are coupled into the optical fiber by the optical signal entrance, the coupler
Parameter amplifier, wherein, the frequency of first optical signal is lower than the frequency of second optical signal;
The temperature control device receives the temperature adjustment instructions that user is directed to N number of fan-shaped warm area;
According to the temperature adjustment instructions, the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted,
To carry out gain to the optical parameter of first optical signal;
Whether the optical parameter yield value that the optical signal detecting device detects first optical signal reaches predetermined threshold value;
If not, continue that the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted, until described
The optical parameter yield value of one optical signal reaches predetermined threshold value;
If it is, first optical signal after output gain is exported by the optical signal.
Wherein, the temperature control device can include 4 fan-shaped warm areas, the respectively first fan-shaped warm area, the second fan-shaped warm area,
3rd fan-shaped warm area and four fan-shaped warm area,
Wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is the second temperature
Degree, the initial temperature of the 3rd fan-shaped warm area is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
Specifically, first temperature can be -100 DEG C, the second temperature can be -50 DEG C, the 3rd temperature
It can be 50 DEG C, the 4th temperature can be 100 DEG C.
Wherein, methods described can also include:Store the temperature of each fan-shaped warm area under Current Temperatures, first light letter
Number wavelength and first optical signal optical parameter yield value;
According to the wavelength and optical parameter yield value of multiple first optical signals stored, current each fan-shaped warm area is drawn
At a temperature of optical parameter gain spectral;
Judge whether drawn optical parameter gain spectral meets preset rules;
If be unsatisfactory for, the temperature of each fan-shaped warm area is adjusted again, until the optical parameter gain spectral drawn meets in advance
If regular, the optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum;
If it is satisfied, the optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
The embodiment of the invention also discloses a kind of optical parameter gain system, the system can include:Optical signal entrance, coupling
Clutch, temperature control device, optical fiber parameter amplifier, optical signal detecting device and optical signal outlet, wherein,
The optical signal entrance, for make the first optical signal and the second optical signal by and enter the coupler, wherein,
The frequency of first optical signal is lower than the frequency of second optical signal;
The coupler, for making the first optical signal and the second optical signal coupling be combined into the optical fiber parameter amplifier;
The optical fiber parameter amplifier is located in the temperature control device, for the optical parameter progress to first optical signal
Gain;
The temperature control device includes N number of fan-shaped warm area, and each fan-shaped warm area includes part fiber parameter amplifier;The temperature
Control device is used to receive the temperature adjustment instructions that user is directed to N number of fan-shaped warm area, according to the temperature adjustment instructions, to institute
The temperature for stating each fan-shaped warm area in N number of fan-shaped warm area is adjusted;
Whether the optical signal detecting device, the optical parameter yield value for detecting first optical signal reach default threshold
Value;
The optical signal outlet, the first optical signal of predetermined threshold value is reached for output light parameter yield value.
Wherein, the temperature control device can include 4 fan-shaped warm areas, the respectively first fan-shaped warm area, the second fan-shaped warm area,
3rd fan-shaped warm area and four fan-shaped warm area,
Wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is the second temperature
Degree, the initial temperature of the 3rd fan-shaped warm area is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
Specifically, first temperature can be -100 DEG C, the second temperature can be -50 DEG C, the 3rd temperature
It can be 50 DEG C, the 4th temperature can be 100 DEG C.
Wherein, the system can also include:Thermal insulation layer, for preventing the heat exchange between N number of fan-shaped warm area, ensure
The stabilization of the temperature of each fan-shaped warm area in N number of fan-shaped warm area.
Wherein, the system can also include:Sealing device, for preventing N number of fan-shaped warm area from being handed over extraneous heat
Change, the stabilization of the temperature of each fan-shaped warm area in guarantee N number of fan-shaped warm area.
Wherein, the optical signal detecting device, can be also used for:
Store each temperature of fan-shaped warm area under Current Temperatures, the wavelength of first optical signal and first light letter
Number optical parameter yield value;
According to the wavelength and optical parameter yield value of multiple first optical signals stored, current each fan-shaped warm area is drawn
At a temperature of optical parameter gain spectral;
Judge whether drawn optical parameter gain spectral meets preset rules;
The optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
From above-mentioned scheme, in the present embodiment, optical fiber parameter amplifier is placed in temperature control device, passes through temperature control
Device adjusts the temperature of optical fiber parameter amplifier.The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pump light work(
Rate, zero-dispersion wavelength of fiber, chromatic dispersion gradient and nonlinear factor.Temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and non-
Linear coefficient all has an impact, can be by adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first, compared to pump laser
Save cost.In addition, according to the wavelength and optical parameter yield value of multiple first optical signals of storage, beche-de-mer without spike flow gain is drawn
Spectrum.By adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first, flat optical parameter gain spectral can be obtained.
Certainly, any product or method for implementing the present invention must be not necessarily required to reach all the above excellent simultaneously
Point.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the first schematic flow sheet of optical parameter gain method provided in an embodiment of the present invention;
Fig. 2 is second of schematic flow sheet of optical parameter gain method provided in an embodiment of the present invention;
Fig. 3 is the first structural representation of optical parameter gain system provided in an embodiment of the present invention;
Fig. 4 is that the temperature control device shown in optical parameter gain system provided in an embodiment of the present invention amplifies comprising Fiber-optic parameter
The structural representation of device;
Fig. 5 is second of structural representation of optical parameter gain system provided in an embodiment of the present invention;
Fig. 6 is the third structural representation of optical parameter gain system provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to solve prior art problem, the embodiments of the invention provide a kind of optical parameter gain method and system.Below
A kind of optical parameter gain method provided in an embodiment of the present invention is described in detail first.
It should be noted that the optical parameter gain method that the embodiment of the present invention is provided is preferably applied in beche-de-mer without spike flow gain system
System, the system is as shown in figure 3, Fig. 3 is the first structural representation of optical parameter gain system provided in an embodiment of the present invention.
The system can at least include:Optical signal entrance 201, coupler 202, temperature control device 203, optical signal detecting device
204 and optical signal outlet 205, wherein, temperature control device 203 includes N number of fan-shaped warm area, respectively:First fan-shaped warm area, the second fan
Shape warm area ... N sector warm areas;Optical fiber parameter amplifier is located in temperature control device 203, as shown in Figure 4;Each fan-shaped warm area
Including part fiber parameter amplifier.
Fig. 1 is the first schematic flow sheet of optical parameter gain method provided in an embodiment of the present invention, can be included:
S101:First optical signal and the second optical signal are coupled into Fiber-optic parameter and put by optical signal entrance, coupler
Big device.
Wherein, the frequency of first optical signal is lower than the frequency of second optical signal, in actual applications, described
One optical signal can be flashlight, and second optical signal can be pump light.
S102:Temperature control device receives the temperature adjustment instructions that user is directed to N number of fan-shaped warm area.
S103:According to temperature adjustment instructions, the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted, with
Gain is carried out to the optical parameter of first optical signal.
In actual applications, the temperature control device can include 4 fan-shaped warm areas, and each fan-shaped warm area includes part fiber
Parameter amplifier, above-mentioned 4 fan-shaped warm areas are respectively the first fan-shaped warm area, the second fan-shaped warm area, the 3rd fan-shaped warm area and the 4th
Fan-shaped warm area, wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is the second temperature
Degree, the initial temperature of the 3rd fan-shaped warm area is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
In actual applications, first temperature can be -100 DEG C, and the second temperature can be -50 DEG C, described the
Three temperature can be 50 DEG C, and the 4th temperature can be 100 DEG C.
S104:Whether the optical parameter yield value that optical signal detecting device detects the first optical signal reaches predetermined threshold value, if
It is to perform S105, if not, performing S102.
In actual applications, predetermined threshold value can be 25dB.
S105:The first optical signal after output gain is exported by optical signal.
Assuming that low-frequency flashlight A and high-frequency pump light B be by optical signal entrance and coupler, through coupler coupling
Conjunction enters optical fiber parameter amplifier.Temperature control device 203 includes 4 fan-shaped warm areas;Optical fiber parameter amplifier is located at temperature control device 203
In, as shown in Figure 4;Each fan-shaped warm area includes part fiber parameter amplifier.
Temperature control device receives temperature adjustment instructions of the user for 4 fan-shaped warm areas, and according to the temperature adjustment instructions,
The temperature of each fan-shaped warm area in 4 fan-shaped warm areas is adjusted.In actual applications, can be in flashlight and pump light
Into before optical fiber parameter amplifier, the temperature of 4 fan-shaped warm areas is adjusted to respectively in advance:The temperature of first fan-shaped warm area
(the first fan-shaped warm area for the purpose of simplifying the description, can be referred to as -100 DEG C:- 100 DEG C), the second fan-shaped warm area:- 50 DEG C, the 3rd
Fan-shaped warm area:50 DEG C, four fan-shaped warm area:100℃.In this, as the initial of the optical fiber parameter amplifier in 4 fan-shaped warm areas
Temperature, then it is adjusted on the basis of this initial temperature.It can also amplify in flashlight and pump light into Fiber-optic parameter
After device, the temperature of 4 fan-shaped warm areas is adjusted.It is not limited herein.
The temperature of each fan-shaped warm area in 4 fan-shaped warm areas is adjusted, until optical signal detecting device detection letter
Number light A optical parameter yield value reaches 25dB.Then, the flashlight A after the gain is exported by optical signal and exported.
Using embodiment illustrated in fig. 1 of the present invention, optical fiber parameter amplifier is placed in temperature control device, adjusted by temperature control device
Save the temperature of optical fiber parameter amplifier.The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pumping light power, optical fiber
Zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor.Temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor
All have an impact, can be saved into by adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first compared to pump laser
This.
Fig. 2 is second of schematic flow sheet of optical parameter gain method provided in an embodiment of the present invention, shown in Fig. 2 of the present invention
Embodiment increases following steps on the basis of embodiment illustrated in fig. 1:
S106:Store each temperature of fan-shaped warm area, the wavelength of the first optical signal and the first optical signal under Current Temperatures
Optical parameter yield value.
S107:According to the wavelength and optical parameter yield value of multiple first optical signals stored, current each fan is drawn
Optical parameter gain spectral at a temperature of shape warm area.
S108:Judge whether drawn optical parameter gain spectral meets preset rules, if it is, S109 is performed, if not,
Perform S102.
S109:The optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
Also illustrated with above-mentioned example, it is assumed that the temperature of each fan-shaped warm area in 4 fan-shaped warm areas is adjusted,
It is adjusted to respectively when by the temperature of 4 fan-shaped warm areas:First fan-shaped warm area:- 100.8 DEG C, the second fan-shaped warm area:- 50.6 DEG C,
Three fan-shaped warm areas:50.4 DEG C, four fan-shaped warm area:At 100.3 DEG C, optical signal detecting device detection signal light A optical parameter increases
Beneficial value has reached 25dB, and the flashlight A after output gain is exported by optical signal.
Store the temperature of each fan-shaped warm area under Current Temperatures, i.e., the first fan-shaped warm area:- 100.8 DEG C, the second fan-shaped temperature
Area:- 50.6 DEG C, the 3rd fan-shaped warm area:50.4 DEG C, four fan-shaped warm area:100.3 DEG C, storage flashlight A wavelength and signal
Light A optical parameter yield value.Assuming that flashlight A wavelength is 1000nm, flashlight A optical parameter yield value is 40dB.
Holding said temperature is constant, and flashlight C and pump light B are coupled by optical signal entrance and coupler through coupler
Into optical fiber parameter amplifier.Assuming that the flashlight C of storage wavelength is 1100nm, signal supervisory instrument detection signal light C's
Optical parameter yield value is 42dB.
Holding said temperature is constant, and flashlight D and pump light B are coupled by optical signal entrance and coupler through coupler
Into optical fiber parameter amplifier.Assuming that the flashlight D of storage wavelength is 1200nm, signal supervisory instrument detection signal light D's
Optical parameter yield value is 45dB.
Repeat said process:Keep said temperature constant, multiple flashlights and pump light B are passed through into optical signal entrance and coupling
Clutch, optical fiber parameter amplifier is coupled into through coupler, stores the wavelength and optical parameter yield value of each flashlight.
According to the wavelength and optical parameter yield value of the multiple flashlights stored, each temperature of fan-shaped warm area is drawn currently
Optical parameter gain spectral under degree.
Currently each the temperature of fan-shaped warm area is for drafting:First fan-shaped warm area:- 100.8 DEG C, the second fan-shaped warm area:-50.6
DEG C, the 3rd fan-shaped warm area:50.4 DEG C, four fan-shaped warm area:Optical parameter gain spectral in the case of 100.3 DEG C, beche-de-mer without spike flow gain
Compose as using the wavelength of light as transverse axis, the curve using optical parameter yield value as the longitudinal axis.
Judge whether drawn optical parameter gain spectral meets preset rules.Preset rules can be:Adjacent 2 points of light
The difference of parametric gain value is less than 5dB, can also set according to being actually needed, not be limited herein.
If the optical parameter gain spectral drawn meets preset rules, the optical parameter gain spectral for meeting preset rules is determined
Composed for final light parametric gain.
If the optical parameter gain spectral drawn is unsatisfactory for preset rules, the temperature of each fan-shaped warm area is adjusted again, is made
The optical parameter yield value of new flashlight reaches 25dB.The wavelength and optical parameter yield value of above-mentioned new flashlight are stored, is deposited
The temperature of each fan-shaped warm area under Current Temperatures is stored up, and keeps constant.Multiple flashlights and pump light are entered by optical signal again
Mouth and coupler, are coupled into optical fiber parameter amplifier, and store the wavelength and beche-de-mer without spike flow gain of each flashlight through coupler
Value.Further according to the wavelength and optical parameter yield value of the multiple flashlights stored, each temperature of fan-shaped warm area is drawn currently
Under optical parameter gain spectral.
Until the optical parameter gain spectral drawn meets preset rules, the optical parameter gain spectral for meeting preset rules is determined
Composed for final light parametric gain.
The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pumping light power, zero-dispersion wavelength of fiber, dispersion
Slope and nonlinear factor.Find in an experiment, temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor are all
Have an impact, by adjusting temperature adjustment beche-de-mer without spike flow gain, flat optical parameter gain spectral can be obtained.
Using embodiment illustrated in fig. 2 of the present invention, optical fiber parameter amplifier is placed in temperature control device, adjusted by temperature control device
Save the temperature of optical fiber parameter amplifier.The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pumping light power, optical fiber
Zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor.Temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor
All have an impact, can be saved into by adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first compared to pump laser
This.In addition, according to the wavelength and optical parameter yield value of multiple first optical signals of storage, optical parameter gain spectral is drawn.Pass through
The beche-de-mer without spike flow gain of the optical signal of temperature adjustment first is adjusted, flat optical parameter gain spectral can be obtained.
Corresponding with above-mentioned embodiment of the method, the embodiment of the present invention additionally provides a kind of optical parameter gain system.
Fig. 3 is the first structural representation of optical parameter gain system provided in an embodiment of the present invention, can be included:
Optical signal entrance 201, coupler 202, temperature control device 203, optical signal detecting device 204 and optical signal outlet 205,
Wherein, temperature control device 203 includes N number of fan-shaped warm area, is respectively:First fan-shaped warm area, the fan-shaped temperature of the second fan-shaped warm area ... N
Area;Optical fiber parameter amplifier is located in temperature control device 203, as shown in Figure 4;Each fan-shaped warm area amplifies including part fiber parameter
Device;
Optical signal entrance 201, for make the first optical signal and the second optical signal by and enter coupler 202, wherein, institute
The frequency for stating the first optical signal is lower than the frequency of second optical signal.
Coupler 202, for making the first optical signal and the second optical signal coupling be combined into optical fiber parameter amplifier.
As shown in figure 4, optical fiber parameter amplifier is located in temperature control device 203, for the beche-de-mer without spike to first optical signal
Amount carries out gain.
Temperature control device 203 includes N number of fan-shaped warm area, is respectively:First fan-shaped warm area, the second fan-shaped warm area ...
N sector warm areas, each fan-shaped warm area include part fiber parameter amplifier;
Temperature control device 203, the temperature adjustment instructions of N number of fan-shaped warm area are directed to for receiving user, according to the temperature
Regulating command is spent, the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted.
In actual applications, temperature control device 203 can include 4 fan-shaped warm areas, and each fan-shaped warm area includes part fiber
Parameter amplifier, above-mentioned 4 fan-shaped warm areas are respectively the first fan-shaped warm area, the second fan-shaped warm area, the 3rd fan-shaped warm area and the 4th
Fan-shaped warm area, wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is the second temperature
Degree, the initial temperature of the 3rd fan-shaped warm area is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
Specifically, first temperature can be -100 DEG C, the second temperature can be -50 DEG C, the 3rd temperature
It can be 50 DEG C, the 4th temperature can be 100 DEG C.
Whether optical signal detecting device 204, the optical parameter yield value for detecting first optical signal reach default threshold
Value, can be also used for:Store each temperature of fan-shaped warm area under Current Temperatures, the wavelength of first optical signal and described the
The optical parameter yield value of one optical signal;According to the wavelength and optical parameter yield value of multiple first optical signals stored, draw
Optical parameter gain spectral at a temperature of current each fan-shaped warm area;Judge whether drawn optical parameter gain spectral meets default rule
Then;The optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
Optical signal outlet 205, the first optical signal of predetermined threshold value is reached for output light parameter yield value.
Using embodiment illustrated in fig. 3 of the present invention, optical fiber parameter amplifier is placed in temperature control device, adjusted by temperature control device
Save the temperature of optical fiber parameter amplifier.The factor for influenceing beche-de-mer without spike flow gain mainly has:Pump wavelength, pumping light power, optical fiber
Zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor.Temperature on fiber zero-dispersion wavelength, chromatic dispersion gradient and nonlinear factor
All have an impact, can be saved into by adjusting the beche-de-mer without spike flow gain of the optical signal of temperature adjustment first compared to pump laser
This.In addition, according to the wavelength and optical parameter yield value of multiple first optical signals of storage, optical parameter gain spectral is drawn.Pass through
The beche-de-mer without spike flow gain of the optical signal of temperature adjustment first is adjusted, flat optical parameter gain spectral can be obtained.
Fig. 5 is second of structural representation of optical parameter gain system provided in an embodiment of the present invention, shown in Fig. 5 of the present invention
Embodiment can also include on the basis of embodiment illustrated in fig. 3:
Thermal insulation layer 206, for preventing the heat exchange between N number of fan-shaped warm area, ensure every in N number of fan-shaped warm area
The stabilization of the temperature of one fan-shaped warm area.
Using embodiment illustrated in fig. 5 of the present invention, thermal insulation layer is set between the fan-shaped warm area of temperature control device, prevents fan-shaped temperature
The heat exchange in section, ensure the stabilization of the temperature of each fan-shaped warm area, to reduce by adjusting temperature adjustment beche-de-mer without spike flow gain
Error.
Fig. 6 is the third structural representation of optical parameter gain system provided in an embodiment of the present invention, shown in Fig. 6 of the present invention
Embodiment can also include on the basis of embodiment illustrated in fig. 3:
Sealing device 207, for preventing N number of fan-shaped warm area and extraneous heat exchange, ensure N number of fan-shaped warm area
In each fan-shaped warm area temperature stabilization.
Wherein, above-mentioned sealing device 207 can also increase on the basis of embodiment illustrated in fig. 5.
Using embodiment illustrated in fig. 6 of the present invention, also set up sealing device within the system, for prevent fan-shaped warm area with it is outer
The heat exchange on boundary, ensure the stabilization of the temperature of each fan-shaped warm area in fan-shaped warm area, to reduce by adjusting temperature adjustment light
The error of parametric gain.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for system
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Can one of ordinary skill in the art will appreciate that realizing that all or part of step in above method embodiment is
To instruct the hardware of correlation to complete by program, described program can be stored in computer read/write memory medium,
The storage medium designated herein obtained, such as:ROM/RAM, magnetic disc, CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
- A kind of 1. optical parameter gain method, it is characterised in that applied to optical parameter gain system, the optical parameter gain system, Comprise at least:Optical signal entrance, coupler, temperature control device, optical fiber parameter amplifier, optical signal detecting device and optical signal go out Mouthful, wherein, the optical fiber parameter amplifier is located in the temperature control device, and the temperature control device includes N number of fan-shaped warm area, each Fan-shaped warm area includes part fiber parameter amplifier;The N is the positive integer more than 1;Methods described includes:First optical signal and the second optical signal are coupled into the Fiber-optic parameter by the optical signal entrance, the coupler Amplifier, wherein, the frequency of first optical signal is lower than the frequency of second optical signal;The temperature control device receives the temperature adjustment instructions that user is directed to N number of fan-shaped warm area;According to the temperature adjustment instructions, the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted, with right The optical parameter of first optical signal carries out gain;Whether the optical parameter yield value that the optical signal detecting device detects first optical signal reaches predetermined threshold value;If not, continue that the temperature of each fan-shaped warm area in N number of fan-shaped warm area is adjusted, until first light The optical parameter yield value of signal reaches predetermined threshold value;If it is, first optical signal after output gain is exported by the optical signal.
- 2. optical parameter gain method according to claim 1, it is characterised in that the temperature control device includes 4 fan-shaped temperature Area, the respectively first fan-shaped warm area, the second fan-shaped warm area, the 3rd fan-shaped warm area and four fan-shaped warm area,Wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is second temperature, the The initial temperature of three fan-shaped warm areas is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
- 3. optical parameter gain method according to claim 2, it is characterised in that first temperature is -100 DEG C, described Second temperature is -50 DEG C, and the 3rd temperature is 50 DEG C, and the 4th temperature is 100 DEG C.
- 4. the optical parameter gain method according to claims 1 to 3 any one, it is characterised in that methods described also includes:Store each temperature of fan-shaped warm area under Current Temperatures, the wavelength of first optical signal and first optical signal Optical parameter yield value;According to the wavelength and optical parameter yield value of multiple first optical signals stored, each temperature of fan-shaped warm area is drawn currently Optical parameter gain spectral under degree;Judge whether drawn optical parameter gain spectral meets preset rules;If be unsatisfactory for, the temperature of each fan-shaped warm area is adjusted again, until the optical parameter gain spectral drawn meets default rule Then, the optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum;If it is satisfied, the optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
- 5. a kind of optical parameter gain system, it is characterised in that the system includes:Optical signal entrance, coupler, temperature control device, Optical fiber parameter amplifier, optical signal detecting device and optical signal outlet, wherein,The optical signal entrance, for make the first optical signal and the second optical signal by and enter the coupler, wherein, it is described The frequency of first optical signal is lower than the frequency of second optical signal;The coupler, for making the first optical signal and the second optical signal coupling be combined into the optical fiber parameter amplifier;The optical fiber parameter amplifier is located in the temperature control device, for increasing to the optical parameter of first optical signal Benefit;The temperature control device includes N number of fan-shaped warm area, and each fan-shaped warm area includes part fiber parameter amplifier;The temperature control dress The temperature adjustment instructions that N number of fan-shaped warm area is directed to for receiving user are put, according to the temperature adjustment instructions, to the N The temperature of each fan-shaped warm area in individual fan-shaped warm area is adjusted;The N is the positive integer more than 1;Whether the optical signal detecting device, the optical parameter yield value for detecting first optical signal reach predetermined threshold value;The optical signal outlet, the first optical signal of predetermined threshold value is reached for output light parameter yield value.
- 6. optical parameter gain system according to claim 5, it is characterised in that the temperature control device includes 4 fan-shaped temperature Area, the respectively first fan-shaped warm area, the second fan-shaped warm area, the 3rd fan-shaped warm area and four fan-shaped warm area,Wherein, the initial temperature of the first fan-shaped warm area is the first temperature, and the initial temperature of the second fan-shaped warm area is second temperature, the The initial temperature of three fan-shaped warm areas is the 3rd temperature, and the initial temperature of four fan-shaped warm area is the 4th temperature.
- 7. optical parameter gain system according to claim 6, it is characterised in that first temperature is -100 DEG C, described Second temperature is -50 DEG C, and the 3rd temperature is 50 DEG C, and the 4th temperature is 100 DEG C.
- 8. optical parameter gain system according to claim 5, it is characterised in that the system also includes:Thermal insulation layer, it is used for Prevent the heat exchange between N number of fan-shaped warm area, ensure each fan-shaped warm area in N number of fan-shaped warm area temperature it is steady It is fixed.
- 9. optical parameter gain system according to claim 5, it is characterised in that the system also includes:Sealing device, use In preventing N number of fan-shaped warm area and extraneous heat exchange, ensure the temperature of each fan-shaped warm area in N number of fan-shaped warm area Stabilization.
- 10. the optical parameter gain system according to claim 5 to 9 any one, it is characterised in that the optical signal detecting Device, it is additionally operable to:Store each temperature of fan-shaped warm area under Current Temperatures, the wavelength of first optical signal and first optical signal Optical parameter yield value;According to the wavelength and optical parameter yield value of multiple first optical signals stored, each temperature of fan-shaped warm area is drawn currently Optical parameter gain spectral under degree;Judge whether drawn optical parameter gain spectral meets preset rules;The optical parameter gain spectral for meeting preset rules is defined as final light parametric gain spectrum.
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