CN103682982A - Light field phase locking device between two lasers - Google Patents

Light field phase locking device between two lasers Download PDF

Info

Publication number
CN103682982A
CN103682982A CN201310722498.8A CN201310722498A CN103682982A CN 103682982 A CN103682982 A CN 103682982A CN 201310722498 A CN201310722498 A CN 201310722498A CN 103682982 A CN103682982 A CN 103682982A
Authority
CN
China
Prior art keywords
ports
light rings
light
rings
laser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310722498.8A
Other languages
Chinese (zh)
Other versions
CN103682982B (en
Inventor
江阳
白光富
蔡绍洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou University
Original Assignee
Guizhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guizhou University filed Critical Guizhou University
Priority to CN201310722498.8A priority Critical patent/CN103682982B/en
Publication of CN103682982A publication Critical patent/CN103682982A/en
Application granted granted Critical
Publication of CN103682982B publication Critical patent/CN103682982B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

The invention discloses a light field phase locking device between two lasers. The light field phase locking device is characterized by comprising a laser A (1), a polarization controller A (2), a three-port optical circulator A (3), an optical nonlinear device (4) and an injection feedback module (5), the three-port optical circulator A (3) comprises a first three-port optical circulator A port (3a), a second three-port optical circulator A port (3b) and a third three-port optical circulator A port (3c), the laser A (1) is connected with an input end of the polarization controller A (2), an output end of the polarization controller A (2) is connected to the first three-port optical circulator A port (3a), the second three-port optical circulator A port (3b) is connected with the optical nonlinear device (4), and the optical nonlinear device (4) is connected with the injection feedback module (5). The light field phase locking device is fine in system effect, high in stability and simple in structure.

Description

Light field phase locking system between two lasers
Technical field
The present invention relates to the phase place lock-in techniques between light field, relate in particular to two light field phase locking systems between laser.
Background technology
In many optical application or light signal treatment technology, often need to use two and restraint the light that multi beam even has stable phase angle relation, the up-conversion of the Heterodyne detect of Ru Dui mono-road light signal, full light signal or utilize heterodyne method to produce microwave signal etc.As everyone knows, although the light live width that two separate lasers are sent is very narrow and have good long-time stability, do not there is mutual phase stability.In order to make two light field phase stabilizations between laser, conventionally need to adopt Optical phase-locked loop (Optical Phase Lock Loop) technology.In light Phase Lock Technique, the light that two separate lasers are sent first passes through photomixing, by electrooptical device, mixed frequency signal is become to a signal of telecommunication.This signal of telecommunication obtains phase difference signal through electronics phase discriminating technology, then by calculating one of them laser of feedback regulation after feedback control signal, to obtain two phase stabilizations between laser.In this method, need a large amount of electron controls technologies and complicated algorithm, increased greatly complexity and the cost of system, and final effect is not very good.
Summary of the invention
Light field phase locking system between two lasers that a kind of system effect is good, stability is high, simple in structure that the object of the invention is to overcome above-mentioned shortcoming and provide.
Object of the present invention and solve its technical problem underlying and realize by the following technical solutions: the light field phase locking system between a kind of two lasers of the present invention, comprise laser A, Polarization Controller A, three ports light rings A, optical nonlinearity device, inject feedback module, three ports light rings A comprise three ports light rings A ports one, three ports light rings A ports two, three ports light rings A ports three, laser A is connected with Polarization Controller A input, Polarization Controller A output is connected to three ports light rings A ports one, three ports light rings A ports two connect optical nonlinearity device, optical nonlinearity device connects injection feedback module.
Light field phase locking system between two above-mentioned lasers, wherein: inject feedback module and comprise three ports light rings B, three ports light rings C, Polarization Controller B, laser B, three ports light rings B comprise three ports light rings B ports one, three ports light rings B ports two, three ports light rings B ports three, three ports light rings C comprise three ports light rings C ports one, three ports light rings C ports two, three ports light rings C ports three, optical nonlinearity device connects three ports light rings B ports two, three ports light rings B ports three connect the port one of three ports light rings C, the port two of three ports light rings C connects Polarization Controller B, Polarization Controller B connects injection laser B, the port three of three ports light rings C connects three ports light rings B ports one.
Light field phase locking system between two above-mentioned lasers, wherein: two inject feedback module comprises optical delay line, Polarization Controller B, laser B, optical nonlinearity device connects optical delay line, and optical delay line output connects Polarization Controller B, and Polarization Controller B connects injection laser B.
Light field phase locking system between two above-mentioned lasers, wherein: laser A, laser B all adopt semiconductor DFB, optical nonlinearity device adopts semiconductor optical amplifier.
The present invention compared with prior art, has obvious beneficial effect, as can be known from the above technical solutions: the wavelength that laser A produces is
Figure 2013107224988100002DEST_PATH_IMAGE001
light enter the input of Polarization Controller A, Polarization Controller A can regulate the polarization state of light field, its output is connected to three ports light rings A ports in the lump from port two outputs, three ports light rings A ports two connect optical nonlinearity device, and the other end of optical nonlinearity device connects injection feedback module.The laser B self that injects feedback module can send wavelength and be
Figure 757114DEST_PATH_IMAGE002
laser, when
Figure 928070DEST_PATH_IMAGE001
light inject after, inject feedback module output wavelength and be
Figure 412273DEST_PATH_IMAGE001
with
Figure 959666DEST_PATH_IMAGE002
two-way light.Now, the phase place of this two-way laser is still separate, and returns to output and enter optical nonlinearity device.In optical nonlinearity device,
Figure 845714DEST_PATH_IMAGE001
with
Figure 211009DEST_PATH_IMAGE002
producing unsettled frequency is beat signal to the wavelength of transmission is in opposite directions also
Figure 556408DEST_PATH_IMAGE001
light carry out non-linear modulation, make
Figure 143378DEST_PATH_IMAGE001
by producing wavelength after the output of optical nonlinearity device, be
Figure 382468DEST_PATH_IMAGE001
±
Figure 396691DEST_PATH_IMAGE003
unstable sideband.This sideband as previously described light path injects feedback module and goes locking to inject the wavelength that feedback module laser B produces to be re-injecting
Figure 354021DEST_PATH_IMAGE002
light field phase place, by the modulation of this feedback and injection locking process repeatedly, the light field phase place between final two lasers will be locked.Two-way laser after this locking will enter three ports light rings A ports two, finally by three ports light rings A port three outputs.The present invention utilizes the Injection Locking of non-linear modulation between light field and laser self to complete two light field phase places lockings between separate lasers, has avoided complex processes such as opto-electronic conversion, phase demodulation and feedback computing.The cost and the complexity that greatly reduce system, have good practicality.Of the present invention simple in structure, stable, and cost is low, thereby have use value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of embodiment 1;
Fig. 3 is the structural representation of embodiment 2;
mark in figure:
1, laser A; 2, Polarization Controller A; 3, three ports light rings A; 3a, three ports light rings A ports one; 3b, three ports light rings A ports two; 3c, three ports light rings A ports three; 4, optical nonlinearity device; 5, inject feedback module; 6, three ports light rings B; 6a, three ports light rings B ports one; 6b, three ports light rings B ports two; 6c, three ports light rings B ports three; 7, three ports light rings C; 7a, three ports light rings C ports one; 7b, three ports light rings C ports two; 7c, three ports light rings C ports three; 8, Polarization Controller B; 9, laser B; 10, optical delay line
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further:
embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to the light field phase locking system between two lasers that propose according to the present invention, be described in detail as follows.
embodiment 1:
As shown in Figure 1-2, light field phase locking system between two lasers, comprise laser A(1), Polarization Controller A(2), three ports light rings A(3), optical nonlinearity device (4), inject feedback module (5), three ports light rings A3 comprise three ports light rings A port one 3a, three ports light rings A port two 3b, three ports light rings A port three 3c, laser A(1) with Polarization Controller A(2) input is connected, Polarization Controller A(2) output is connected to three ports light rings A ports one (3a), three ports light rings A ports two (3b) connect optical nonlinearity device (4), optical nonlinearity device (4) connects injection feedback module (5),
Wherein: inject feedback module (5) and comprise three ports light rings B(6), three ports light rings C(7), Polarization Controller B(8), laser B(9), three ports light rings B(6) comprise three ports light rings B port one 6a, three ports light rings B port two 6b, three ports light rings B port three 6c, three ports light rings C7 comprise three ports light rings C port one 7a, three ports light rings C port two 7b, three ports light rings C port three 7c, optical nonlinearity device (4) connects three ports light rings B ports two (6b), three ports light rings B ports three (6c) connect the port one (7a) of three ports light rings C, the port two (7b) of three ports light rings C connects Polarization Controller B(8), Polarization Controller B(8) connect injection laser B(9), the port three (7c) of three ports light rings C connects three ports light rings B ports one (6a).
Wherein: laser A(1), laser B(9) all adopt semiconductor DFB, optical nonlinearity device (4) adopts semiconductor optical amplifier.
Operation principle: wavelength semiconductor DFB A(1) producing is
Figure 479103DEST_PATH_IMAGE001
light enter Polarization Controller A(2) input, Polarization Controller A(2) can regulate the polarization state of light field, its output is connected to three ports light rings A ports one (3a) and exports from three ports light rings A ports two (3b), to semiconductor optical amplifier (4), through semiconductor optical amplifier (4) input three ports light rings B ports two (6b) and from three ports light rings B ports three (6c), export three ports light rings C ports one (7a) to and export from three ports light rings C ports two (7b), through Polarization Controller B(8) control output injection semiconductor DFB B(9 after the polarization state of light field), semiconductor DFB B(9) self can send wavelength is
Figure 838278DEST_PATH_IMAGE002
laser, after injecting, output wavelength is
Figure 23402DEST_PATH_IMAGE001
with two-way light.Now, the phase place of this two-way laser is still separate, and return by Polarization Controller B(8) after by three ports light rings C ports three (7c) outputs, enter three ports light rings B ports one (6a), then enter semiconductor optical amplifier (4) from three ports light rings B ports two (6b) outputs.In semiconductor optical amplifier (4),
Figure 396801DEST_PATH_IMAGE001
with
Figure 610482DEST_PATH_IMAGE002
producing unsettled frequency is
Figure 966508DEST_PATH_IMAGE003
beat signal to the wavelength of transmission is in opposite directions also
Figure 632851DEST_PATH_IMAGE001
light carry out non-linear modulation, make
Figure 365314DEST_PATH_IMAGE001
by producing wavelength after semiconductor optical amplifier (4) output, be
Figure 433502DEST_PATH_IMAGE001
±
Figure 960430DEST_PATH_IMAGE003
unstable sideband.This sideband as previously described light path will re-inject semiconductor DFB B(9) remove to lock semiconductor DFB B(9) wavelength that produces is
Figure 379648DEST_PATH_IMAGE002
light field phase place, by the modulation of this feedback and injection locking process repeatedly, semiconductor DFB B(9) wavelength
Figure 650223DEST_PATH_IMAGE002
light field phase place by semiconductor DFB A(1)
Figure 572917DEST_PATH_IMAGE001
±
Figure 536325DEST_PATH_IMAGE003
side lock, due to the phase relation between carrier wave sideband, final semiconductor DFB A(1) and semiconductor DFB B(9) between light field phase place will be locked.Two-way laser after this locking
Figure 177260DEST_PATH_IMAGE001
with
Figure 251526DEST_PATH_IMAGE002
to enter three ports light rings A ports two (3b), finally by three ports light rings A port three (3c) outputs.
embodiment 2:
As Fig. 1, shown in 3, light field phase locking system between two lasers, comprise laser A(1), Polarization Controller A(2), three ports light rings A(3), optical nonlinearity device (4), inject feedback module (5), three ports light rings A3 comprise three ports light rings A port one 3a, three ports light rings A port two 3b, three ports light rings A port three 3c, laser A(1) with Polarization Controller A(2) input is connected, Polarization Controller A(2) output is connected to three ports light rings A ports one (3a), three ports light rings A ports two (3b) connect optical nonlinearity device (4), optical nonlinearity device (4), optical nonlinearity device (4) connects injection feedback module (5),
Wherein: inject feedback module (5) and comprise optical delay line (10), Polarization Controller B(8), laser B(9), optical nonlinearity device (4) connects optical delay line (10), optical delay line (10) output connects Polarization Controller B(8), Polarization Controller B(8) connection injection laser B(9).
Laser A(1), laser B(9) all adopt semiconductor DFB, optical nonlinearity device (4) employing semiconductor optical amplifier.
Operation principle: wavelength semiconductor DFB A(1) producing is
Figure 28727DEST_PATH_IMAGE001
light enter Polarization Controller A(2) input, Polarization Controller A(2) can regulate the polarization state of light field, its output is connected to three ports light rings A ports one (3a) and exports from three ports light rings A ports two (3b), three ports light rings A ports two (3b) connect semiconductor optical amplifier (4), the other end of semiconductor optical amplifier (4) connects optical delay line (10), the output of optical delay line (10) connects Polarization Controller B(8), Polarization Controller B(8) output injection semiconductor DFB B(9 after the polarization state of control light field).Semiconductor DFB B(9) self can send wavelength is
Figure 163036DEST_PATH_IMAGE002
laser, after injecting, output wavelength is with two-way light.Now, the phase place of this two-way laser is still separate, and returns by Polarization Controller B(8) laggardly enter optical delay line (10), after optical delay line (10) output, enter semiconductor optical amplifier (4).In semiconductor optical amplifier (4),
Figure 800932DEST_PATH_IMAGE001
with
Figure 106142DEST_PATH_IMAGE002
producing unsettled frequency is beat signal to the wavelength of transmission is in opposite directions also
Figure 872159DEST_PATH_IMAGE001
light carry out non-linear modulation, make by producing wavelength after semiconductor optical amplifier (4) output, be
Figure 123501DEST_PATH_IMAGE001
± unstable sideband.This sideband as previously described light path will re-inject semiconductor DFB B(9) remove to lock semiconductor DFB B(9) wavelength that produces is
Figure 180505DEST_PATH_IMAGE002
light field phase place, by the modulation of this feedback and injection locking process repeatedly, semiconductor DFB B(9) wavelength
Figure 52384DEST_PATH_IMAGE002
light field phase place by semiconductor DFB A(1)
Figure 433818DEST_PATH_IMAGE001
±
Figure 23937DEST_PATH_IMAGE003
side lock, due to the phase relation between carrier wave sideband, final semiconductor DFB A(1) and semiconductor DFB B(9) between light field phase place will be locked.Two-way laser after this locking with
Figure 508194DEST_PATH_IMAGE002
to enter three ports light rings A ports two (3b), finally by three ports light rings A port three (3c) outputs.
Of the present inventionly be not limited to the embodiment described in embodiment, those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to equally technological innovation scope of the present invention.Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.

Claims (4)

1. the light field phase locking system between two lasers, it is characterized in that: comprise laser A(1), Polarization Controller A(2), three ports light rings A(3), optical nonlinearity device (4), inject feedback module (5), three ports light rings A(3) comprise three ports light rings A ports one (3a), three ports light rings A ports two (3b), three ports light rings A ports three (3c), laser A(1) with Polarization Controller A(2) input is connected, Polarization Controller A(2) output is connected to three ports light rings A ports one (3a), three ports light rings A ports two (3b) connect optical nonlinearity device (4), optical nonlinearity device (4) connects injection feedback module (5).
2. the light field phase locking system between two lasers as claimed in claim 1, it is characterized in that: inject feedback module (5) and comprise three ports light rings B(6), three ports light rings C(7), Polarization Controller B(8), laser B(9), three ports light rings B(6) comprise three ports light rings B ports one (6a), three ports light rings B ports two (6b), three ports light rings B ports three (6c), three ports light rings C(7) comprise three ports light rings C ports one (7a), three ports light rings C ports two (7b), three ports light rings C ports three (7c), optical nonlinearity device (4) connects three ports light rings B ports two (6b), three ports light rings B ports three (6c) connect the port one (7a) of three ports light rings C, the port two (7b) of three ports light rings C connects Polarization Controller B(8), Polarization Controller B(8) connect injection laser B(9), the port three (7c) of three ports light rings C connects three ports light rings B ports one (6a).
3. the light field phase locking system between two lasers as claimed in claim 1, it is characterized in that: two inject feedback modules (5) comprises optical delay line (10), Polarization Controller B(8), laser B(9), optical nonlinearity device (4) connects optical delay line (10), optical delay line (10) output connects Polarization Controller B(8), Polarization Controller B(8) connection injection laser B(9).
4. the light field phase locking system between two lasers as described in one of claim 1-3, is characterized in that: laser A(1), laser B(9) all adopt semiconductor DFB, optical nonlinearity device (4) adopts semiconductor optical amplifier.
CN201310722498.8A 2013-12-25 2013-12-25 Light field phase locking system between two laser instrument Active CN103682982B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310722498.8A CN103682982B (en) 2013-12-25 2013-12-25 Light field phase locking system between two laser instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310722498.8A CN103682982B (en) 2013-12-25 2013-12-25 Light field phase locking system between two laser instrument

Publications (2)

Publication Number Publication Date
CN103682982A true CN103682982A (en) 2014-03-26
CN103682982B CN103682982B (en) 2016-08-17

Family

ID=50319682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310722498.8A Active CN103682982B (en) 2013-12-25 2013-12-25 Light field phase locking system between two laser instrument

Country Status (1)

Country Link
CN (1) CN103682982B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106936064A (en) * 2017-05-21 2017-07-07 北京工业大学 A kind of single longitudinal mode pulse laser based on continuous light injection seeded
CN107907980A (en) * 2017-12-06 2018-04-13 南京大学 A kind of interferometer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755016A (en) * 1985-11-06 1988-07-05 American Telephone And Telegraph Company At&T Bell Laboratories Coherent lightwave transmitters
CN103346840A (en) * 2013-06-19 2013-10-09 中国科学院半导体研究所 Device for producing frequency multiplication low noise microwave signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755016A (en) * 1985-11-06 1988-07-05 American Telephone And Telegraph Company At&T Bell Laboratories Coherent lightwave transmitters
CN103346840A (en) * 2013-06-19 2013-10-09 中国科学院半导体研究所 Device for producing frequency multiplication low noise microwave signals

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JIANG YANG, JIANGHONG WEN, YANLI TANG, HENGWEN LI, ZHUYA ZHOU: "Robust photonic radio frequency multiplication technique by utilizing Fabry-Perot laser diode injection locking", 《OPTICAL ENGINEERING》 *
韩丙辰，于晋龙，王文睿，郭精忠，王菊，杨恩泽: "基于分布反馈注入锁定的连续可调光子微波倍频实验研究", 《中国激光》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106936064A (en) * 2017-05-21 2017-07-07 北京工业大学 A kind of single longitudinal mode pulse laser based on continuous light injection seeded
CN107907980A (en) * 2017-12-06 2018-04-13 南京大学 A kind of interferometer
CN107907980B (en) * 2017-12-06 2019-04-23 南京大学 A kind of interferometer

Also Published As

Publication number Publication date
CN103682982B (en) 2016-08-17

Similar Documents

Publication Publication Date Title
CN105162523B (en) Optics produces the device of microwave phase encoded signal
CN108768539B (en) Photon type microwave frequency-halving method and photon type microwave frequency-halving device
CN103219632B (en) Frequency multiplication photoelectric oscillator
CN106932925B (en) Bias control device and method based on chaotic signal
CN110572214B (en) Frequency modulation signal generation method based on optical injection locking
CN105099558A (en) Frequency octupling millimeter wave generation device by means of DP-QPSK modulator and method thereof
CN103036621B (en) A kind of based on circulating frequency shift mode comb spectrum generating system and application process thereof
CN107370541B (en) Frequency-tunable is without local oscillator phase-coded signal optics generation device and method
CN203607670U (en) Laser power stabilizing device capable of improving frequency stabilization performance of semiconductor laser
CN108933379A (en) Laser frequency-offset-lock system
CN103944561B (en) System and implementation method are realized based on the Optical phase-locked loop of acousto-optic frequency shifters
CN107490918A (en) A kind of ultra-low noise amplifier in optical frequency standard transmission
CN102854695B (en) Device and method for generating terahertz wave based on nested Mach-Zehnder modulator
Li et al. High-efficiency photonic microwave downconversion with full-frequency-range coverage
CN112134136A (en) Fiber laser frequency stabilization system using fast and slow locking
CN103579896A (en) Pound-Drever-Hall laser frequency stabilizing system without phase shifter
CN104483657B (en) Direction in space angle measuring system based on all-optical cross Polarization Modulation
CN104242020A (en) Low-phase-noise novel photoelectric oscillator
CN105305223A (en) Brillouin dynamic grating generation apparatus and method
CN104051955A (en) High-quality tunable photoproduction microwave source based on semiconductor double-module laser
CN105552706A (en) Generation device of short-term frequency stability criterion
CN109659797A (en) Optical-electronic oscillator system for optimization of mutually making an uproar
CN103346840B (en) A kind of device producing frequency multiplication low noise microwave signal
US9217908B2 (en) Optical modulator
CN110198153B (en) Photonic microwave quarter quadruple frequency method and device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant