CN103579894B - A kind of multi-wavelength random fiber laser based on hybrid gain - Google Patents
A kind of multi-wavelength random fiber laser based on hybrid gain Download PDFInfo
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- CN103579894B CN103579894B CN201310601187.6A CN201310601187A CN103579894B CN 103579894 B CN103579894 B CN 103579894B CN 201310601187 A CN201310601187 A CN 201310601187A CN 103579894 B CN103579894 B CN 103579894B
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- 239000000835 fiber Substances 0.000 title claims abstract description 70
- 239000013307 optical fiber Substances 0.000 claims abstract description 73
- 230000000694 effects Effects 0.000 claims abstract description 28
- 230000003321 amplification Effects 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 3
- 239000006185 dispersion Substances 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 230000008713 feedback mechanism Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000644 propagated effect Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- VYXSBFYARXAAKO-WTKGSRSZSA-N chembl402140 Chemical compound Cl.C1=2C=C(C)C(NCC)=CC=2OC2=C\C(=N/CC)C(C)=CC2=C1C1=CC=CC=C1C(=O)OCC VYXSBFYARXAAKO-WTKGSRSZSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a kind of multi-wavelength random fiber laser based on hybrid gain, belong to fiber laser technology field, be made up of Brillouin's pump laser source, Er-doped fiber pump laser source, first annular device, the second circulator, wavelength division multiplexer, Er-doped fiber, the optical fiber of generation brillouin effect and random distribution feedback optical fiber.The present invention is by first annular device, wavelength division multiplexer, Er-doped fiber, the optical fiber of generation brillouin effect, second circulator one loop configuration of composition, a semi-open resonator cavity is collectively formed with random distribution feedback optical fiber, realize laser generation, and utilize stimulated Brillouin scattering and Er-doped fiber that light is carried out hybrid gain amplification.Make that this laser structure is simple, threshold power is low, output wavelength is many, wavelength interval is short and wavelength interval is equal.
Description
Technical field
The present invention relates to a kind of random fiber laser, particularly relate to increase a kind of mixing based on stimulated Brillouin scattering and Er-doped fiber
The random-distribution feedback optical fiber laser of benefit, belongs to fiber laser technology field.
Background technology
Accidental laser is a class laser instrument based on random distribution feedback, and it utilizes the Multiple Scattering effect in Disordered Media to realize
Random distribution feeds back.Therefore, often there is laser output angle dependency and high threshold power etc. in three-dimensional block accidental laser
Shortcoming.Optical fiber has fabulous two dimension restriction, can effectively overcome Random Laser output angle dependency and high the asking of threshold power
Topic.Random fiber laser is broadly divided into three classes, and the first kind is based on filling dispersion TiO2The rhodamine 6G solution of nano-particle
Photonic crystal fiber, utilizes profile pump to obtain Random Laser output, and the method technical difficulty is big, and Output of laser wavelength is few；The
Two class Fiber Bragg Grating FBGs based on random distribution, can obtain the Random Laser output of Low threshold power, but preparation is complicated, defeated
Going out wavelength few, wavelength interval is not fixed；3rd class is based on rayleigh backscattering, owing to rayleigh backscattering is more weak, current side
Rayleigh backscattering signal is amplified by method mainly by Raman effect, but have that laser threshold power is high, conversion efficiency is low,
The shortcomings such as output wavelength is few.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of multi-wavelength based on hybrid gain random
Optical fiber laser, this laser structure is simple, threshold power is low, output wavelength is many, wavelength interval is short and wavelength interval is equal.
The present invention solves that the technical scheme that technical problem is taked is:
A kind of multi-wavelength random fiber laser based on hybrid gain, including Brillouin's pump laser source (1), first annular device
(2), Er-doped fiber pump laser source (3), wavelength division multiplexer (4), Er-doped fiber (5), the optical fiber of generation brillouin effect
(6), the second circulator (7) and random distribution feedback optical fiber (8)；Described Brillouin's pump laser source (1) and the first ring
Shape device Single port (100) is connected, and first annular device Two-port netwerk (101) is connected with wavelength division multiplexer Single port (103), wavelength-division
Multiplexer Two-port netwerk (104) is connected with Er-doped fiber pump laser source (3), wavelength division multiplexer three port (105) and er-doped light
Fine (5) are connected, and the other end of Er-doped fiber (5) is connected with the optical fiber (6) producing brillouin effect, produces brillouin effect
The other end of optical fiber (6) and the second circulator three port (108) be connected, first annular device three port (102) and the second ring
Shape device Single port (106) is connected, and the second circulator Two-port netwerk (107) is connected with one end of random distribution feedback optical fiber (8),
The other end of random distribution feedback optical fiber (8) exports as laser；Described first annular device (2), wavelength division multiplexer (4),
Er-doped fiber (5), the generation optical fiber (6) of brillouin effect, the second circulator (7) one loop configuration of composition, with random point
Cloth feedback optical fiber (8) collectively forms a semi-open resonator cavity, forms laser generation, finally realizes the Random Laser of multi-wavelength
Output.
Described Er-doped fiber pump laser source (3) is by changing pump power, and utilizes the saturated characteristic of Brillouin scattering gain,
Carry out the wavelength number of tuning operation Random Laser.
The stimulated Brillouin scattering dorsad and the rayleigh backscattering that produce in described random distribution feedback optical fiber (8) form feedback machine
System, makes laser form vibration in loop configuration, it is achieved light amplification, reduces threshold power.
Described optical fiber (6) a length of 1km～200km producing brillouin effect, random distribution feedback optical fiber (8) length
For 1km～200km.
The described optical fiber (6) producing brillouin effect is single-mode fiber, dispersion shifted optical fiber, dispersion compensating fiber, high non-thread
Property optical fiber, high nonlinear dispersion shifted fiber, random distribution feedback optical fiber (8) be single-mode fiber, dispersion shifted optical fiber, dispersion
Compensated optical fiber, highly nonlinear optical fiber, high nonlinear dispersion shifted fiber.
The invention have the benefit that
1, utilize the linear gain of Brillouin scattering gain and Er-doped fiber as hybrid gain so that the random optical-fiber laser of multi-wavelength
The threshold power of device significantly reduces；
2, the saturated characteristic of Brillouin scattering gain is utilized, it is thus achieved that wavelength interval short (0.088nm) and fixing multi-wavelength are random
Laser exports.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Fig. 1 is present invention multi-wavelength based on hybrid gain random fiber laser structural representation；
Fig. 2 is the random optical-fiber laser output spectrum that the present invention is output as 1～3 wavelength；
Fig. 3 is the random optical-fiber laser output spectrum that the present invention is output as multiple wavelength.
1 is Brillouin's pump laser source；2 is first annular device；3 is Er-doped fiber pump laser source；4 is wavelength division multiplexer；5
For Er-doped fiber；6 for producing the optical fiber of brillouin effect；7 is the second circulator；8 feed back optical fiber for random distribution；100 are
First annular device Single port；101 is first annular device Two-port netwerk；102 is first annular device three port；103 is wavelength division multiplexer
Single port；104 is wavelength division multiplexer Two-port netwerk；105 is wavelength division multiplexer three port；106 is the second circulator Single port；107
It it is the second circulator Two-port netwerk；108 is the second circulator three port.
Detailed description of the invention
Structure and operation principle below in conjunction with the present invention elaborate:
In Fig. 1, a kind of multi-wavelength random fiber laser based on hybrid gain, including Brillouin's pump laser source 1, first
Circulator 2, Er-doped fiber pump laser source 3, wavelength division multiplexer 4, Er-doped fiber 5, produce brillouin effect optical fiber 6,
Second circulator 7 and random distribution feedback optical fiber 8；Described Brillouin's pump laser source 1 and first annular device Single port 100
Being connected, first annular device Two-port netwerk 101 is connected with wavelength division multiplexer Single port 103, wavelength division multiplexer Two-port netwerk 104 and er-doped
Pumped fiber lasing light emitter 3 is connected, and wavelength division multiplexer three port 105 is connected with Er-doped fiber 5, the other end of Er-doped fiber 5 and
The optical fiber 6 producing brillouin effect is connected, and produces the other end and second circulator three port 108 of the optical fiber 6 of brillouin effect
Being connected, first annular device three port 102 is connected with the second circulator Single port 106, and the second circulator Two-port netwerk 107 is with random
One end of distributed feed-back optical fiber 8 is connected, and the other end of random distribution feedback optical fiber 8 exports as laser；Described is first annular
Device 2, wavelength division multiplexer 4, Er-doped fiber 5, optical fiber 6, second circulator 7 of generation brillouin effect form a ring junction
Structure, collectively forms a semi-open resonator cavity with random distribution feedback optical fiber 8, forms laser generation, finally realize multi-wavelength
Random Laser output.
A kind of multi-wavelength random fiber laser operation principle based on hybrid gain:
The laser of Er-doped fiber pump laser source 3 is by the Er in Er-doped fiber 53+It is energized into high level, Brillouin's pump laser source 1
Laser enter in loop configuration by first annular device 2, amplified by Er-doped fiber 5, subsequently into producing brillouin effect
Optical fiber 6.The single order stimulated Brillouin scattering counterclockwise propagated and Brillouin is produced in the optical fiber 6 producing brillouin effect
The rayleigh backscattering of pumping laser.The single order stimulated Brillouin scattering counterclockwise propagated and the Rayleigh of Brillouin's pumping laser
Back-scattering light is amplified again by Er-doped fiber 5, is then passed through first annular device the 2, second circulator 7, enters random distribution anti-
Feedback optical fiber 8.If Brillouin's pump power is sufficiently high, its single order excited Brillouin power produced occurs saturated, at random point
Cloth feedback optical fiber 8 can produce the second order stimulated Brillouin scattering propagated dorsad.Newly generated second order excited Brillouin backscattering
In light, and random distribution feedback optical fiber 8, the rayleigh backscattering light of single order stimulated Brillouin scattering, is partly reflected back annular
Structure relaying resumes to be broadcast.Remaining light forms Random Laser output from the other end of random distribution feedback optical fiber 8.When Brillouin's pump
When Pu power is sufficiently high, due to the saturation effect of low order Brillouin scattering, high-order Brillouin scattering constantly produces, and final realization is many
The Random Laser output of wavelength.
Embodiment
Fig. 2 is the output spectrum figure of 1～3 wavelength of output, and Fig. 3 is the output spectrum figure being output as multiple wavelength, corresponding
Multi-wavelength random fiber laser as shown in Figure 1.The wherein a length of 1m of Er-doped fiber 5, produces the optical fiber 6 of brillouin effect
For the single-mode fiber of 10km, random distribution feedback optical fiber 8 is the single-mode fiber of 20km.Brillouin's pump laser source 1 wavelength is
1550nm, Er-doped fiber pump laser source 3 wavelength is 980nm, and wavelength division multiplexer 4 operation wavelength is 980nm/1550nm.
Being 2mW with Brillouin's pump laser source 1 pump power that in Fig. 2, three curves are corresponding from the bottom up, Er-doped fiber pumping swashs
The pump power of light source 3 is followed successively by 150mW, 227mW and 285mW.The Brillouin pump laser source 1 corresponding with Fig. 3
Pump power is 2mW, and the pump power of Er-doped fiber pump laser source 3 is 425mW.
1550nm Brillouin's pump laser source 1 enters loop configuration, first annular device Two-port netwerk through first annular device Single port 100
101 are connected with the wavelength division multiplexer Single port 103 of 1550nm, and the wavelength division multiplexer Two-port netwerk 104 of 980nm is mixed with 980nm
Erbium pumped fiber lasing light emitter 3 is connected, and wavelength division multiplexer three port 105 is connected with the Er-doped fiber 5 of 1m, Er-doped fiber 5
The other end is connected with the optical fiber 6 producing brillouin effect of 10km.The other end of the optical fiber 6 producing brillouin effect of 10km
Being connected with the second circulator three port 108, first annular device three port 102 is connected with the second circulator Single port 106, and second
One end that circulator Two-port netwerk 107 feeds back optical fiber 8 with the random distribution of 20km is connected.Random distribution feeds back another of optical fiber 8
The Random Laser of end output multi-wavelength.1550nm Brillouin's pump laser source 1 enters ring junction through first annular device Single port 100
After structure, amplified by Er-doped fiber 5, subsequently into the optical fiber 6 of generation brillouin effect produces stimulated Brillouin scattering and Rayleigh
Backscattering, the single order stimulated Brillouin scattering of generation and rayleigh backscattering light are counterclockwise propagated, again by Er-doped fiber
Amplify.Then random distribution feedback optical fiber 8 is entered via wavelength division multiplexer 4, first annular device 2 and the second circulator 7.If
The power of 1550nm Brillouin's pumping laser is sufficiently high, and the power of single order stimulated Brillouin scattering is up to saturated, at random distribution
Feedback optical fiber 8 produces second order excited Brillouin backscattering and rayleigh backscattering.Second order Brillouin scattering after loop configuration,
Arrive again at random distribution feedback optical fiber 8, produce three rank stimulated Brillouin scattering and rayleigh backscatterings.This process is constantly entered
OK, it is possible to produce more high-order Brillouin scattering.All of Brillouin scattering and rayleigh backscattering light can be randomly distributed
Feedback optical fiber 8 is partly reflected back in loop configuration, and remaining each rank Brillouin scattering and rayleigh backscattering light are from random point
Cloth feedback optical fiber 8 other end output, produces multi-wavelength Random Laser.
Above example is one of preferred version in all schemes of the present invention, other light random to multi-wavelength based on hybrid gain
The simple change of fibre laser structure broadly falls into the scope that the present invention is protected.
Claims (4)
1. a multi-wavelength random fiber laser based on hybrid gain, it is characterised in that include Brillouin's pump laser source (1),
First annular device (2), Er-doped fiber pump laser source (3), wavelength division multiplexer (4), Er-doped fiber (5), generation cloth
In deep pool the optical fiber (6) of effect, the second circulator (7) and random distribution feedback optical fiber (8)；Described Brillouin's pumping swashs
Light source (1) is connected with first annular device Single port (100), first annular device Two-port netwerk (101) and wavelength division multiplexer one
Port (103) is connected, and wavelength division multiplexer Two-port netwerk (104) is connected with Er-doped fiber pump laser source (3), and wavelength-division is multiple
It is connected with Er-doped fiber (5) with device three port (105), the other end of Er-doped fiber (5) and generation brillouin effect
Optical fiber (6) is connected, and the other end and the second circulator three port (108) that produce the optical fiber (6) of brillouin effect are connected,
First annular device three port (102) is connected with the second circulator Single port (106), the second circulator Two-port netwerk (107)
Being connected with one end of random distribution feedback optical fiber (8), the other end of random distribution feedback optical fiber (8) exports as laser；
Described first annular device (2), wavelength division multiplexer (4), Er-doped fiber (5), produce brillouin effect optical fiber (6),
Second circulator (7), one loop configuration of composition, with random distribution feedback optical fiber (8) collectively form one semi-open
Resonator cavity, forms laser generation, finally realizes the Random Laser output of multi-wavelength.
A kind of multi-wavelength random fiber laser based on hybrid gain the most according to claim 1, it is characterised in that described
Random distribution feedback optical fiber (8) in the stimulated Brillouin scattering dorsad that produces and rayleigh backscattering form feedback mechanism,
Make laser form vibration in loop configuration, it is achieved light amplification, reduce threshold power.
A kind of multi-wavelength random fiber laser based on hybrid gain the most according to claim 1, it is characterised in that described
Produce brillouin effect optical fiber (6) a length of 1km～200km, random distribution feedback optical fiber (8) a length of 1km～
200km。
A kind of multi-wavelength random fiber laser based on hybrid gain the most according to claim 1, it is characterised in that described
Produce brillouin effect optical fiber (6) be single-mode fiber, dispersion shifted optical fiber, dispersion compensating fiber, high non-linearity light
Fibre or high nonlinear dispersion shifted fiber, random distribution feedback optical fiber (8) is single-mode fiber, dispersion shifted optical fiber, dispersion
Compensated optical fiber, highly nonlinear optical fiber or high nonlinear dispersion shifted fiber.
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| CN105356290A (en) * | 2015-12-16 | 2016-02-24 | 重庆大学 | Ultra-narrow line width optical fiber laser device based on Rayleigh scattering and stimulated brillouin scattering |
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| CN106998030B (en) * | 2017-05-17 | 2023-07-28 | 河北大学 | Semi-open cavity type linear polarization and ultra-narrow linewidth multi-wavelength random fiber laser |
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| CN109038195B (en) * | 2018-08-09 | 2020-08-04 | 电子科技大学 | Mixed cavity type cascaded multi-wavelength narrow linewidth optical fiber laser |
| CN109632076A (en) * | 2019-01-31 | 2019-04-16 | 电子科技大学 | The amplification system and method for long-distance optical fiber distribution sound wave sensing |
| CN109698460B (en) * | 2019-02-28 | 2020-12-04 | 南京邮电大学 | Semi-open cavity multi-wavelength Brillouin-erbium-doped optical fiber random laser |
| CN111244735B (en) * | 2020-01-16 | 2022-03-25 | 广东工业大学 | Annular narrow-band fiber grating random laser and method for generating random laser |
| CN112582866B (en) * | 2020-11-27 | 2022-07-26 | 北京航天测控技术有限公司 | Random fiber laser and random fiber laser generation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6025915A (en) * | 1998-06-25 | 2000-02-15 | Litton Systems, Inc. | Scale factor stabilization of a broadband fiber source used in fiber optic gyroscopes in radiation environments |
| CN102437500A (en) * | 2011-12-02 | 2012-05-02 | 北京化工大学 | Random fiber laser with tunable wavelength |
| CN103378539A (en) * | 2012-04-17 | 2013-10-30 | 电子科技大学 | Annular chamber broadband random fiber laser |
| CN203607666U (en) * | 2013-11-21 | 2014-05-21 | 中国计量学院 | Multi-wavelength random fiber laser based on hybrid gain |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120275477A1 (en) * | 2011-04-28 | 2012-11-01 | Martin Ole Berendt | Suppression of coherence effects in fiber lasers |
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2013
- 2013-11-21 CN CN201310601187.6A patent/CN103579894B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6025915A (en) * | 1998-06-25 | 2000-02-15 | Litton Systems, Inc. | Scale factor stabilization of a broadband fiber source used in fiber optic gyroscopes in radiation environments |
| CN102437500A (en) * | 2011-12-02 | 2012-05-02 | 北京化工大学 | Random fiber laser with tunable wavelength |
| CN103378539A (en) * | 2012-04-17 | 2013-10-30 | 电子科技大学 | Annular chamber broadband random fiber laser |
| CN203607666U (en) * | 2013-11-21 | 2014-05-21 | 中国计量学院 | Multi-wavelength random fiber laser based on hybrid gain |
Non-Patent Citations (2)
| Title |
|---|
| 《随机分布反馈光纤激光器研究进展》;胡朋兵 等;《激光与光电子学进展》;20110930;第48卷(第11期);110606-1-110606-6 * |
| Random distributed feedback fibre laser;Sergei K. Turitsyn et al.;《Nature Photonics》;20100207;第4卷(第4期);231-235 * |
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