CN109149334A - The multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port - Google Patents
The multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port Download PDFInfo
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- CN109149334A CN109149334A CN201811221435.3A CN201811221435A CN109149334A CN 109149334 A CN109149334 A CN 109149334A CN 201811221435 A CN201811221435 A CN 201811221435A CN 109149334 A CN109149334 A CN 109149334A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06783—Amplifying coupler
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06791—Fibre ring lasers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/083—Ring lasers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
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Abstract
The invention discloses a kind of multi-wavelength optical fiber lasers of twice of Brillouin shift wavelength interval in dual output port, including tunable narrow-linewidth laser, three ports light rings, 3X3 fiber coupler, first image intensifer, first single mode optical fiber, first optoisolator, second image intensifer, second single mode optical fiber, second optoisolator, tunable narrow-linewidth laser as Brillouin's pumping is by the upper of 3X3 fiber coupler, lower two annular chambers generate Brillouin's stoke light of odd order and even order respectively, odd order Brillouin stokes light is exported from the third port of optical circulator, even order Brillouin stokes light is exported from a port of 3X3 fiber coupler.The structure of the invention is simple, it can be achieved that wavelength interval is the dual-port output of Brillouin's multi-wavelength optical-fiber laser of twice of Brillouin shift.Brillouin's multi-wavelength optical fiber laser of this dual-port output has potential application foreground in optic communication, microwave photon and sensory field of optic fibre.
Description
Technical field
The present invention relates to optical fiber lasers, more particularly, to a kind of twice of Brillouin shift wavelength interval in dual output port
Multi-wavelength optical fiber laser.
Background technique
Multi-wavelength optical fiber laser can be effectively reduced system cost and optimize the design of optical transmitter and receiver in optical communication system,
There is important application prospect in large capacity dense wavelength division multiplexing system.In addition, generating microwave signal field, room in photon technology
Warm stabilization, narrow linewidth multi-wavelength optical fiber laser can obtain the adjustable hyperfrequency microwave signal of high quality, multi-wavelength optical fiber
Laser is also used as the tap of microwave photon filter in microwave photon filtering system, can substitute laser array and obtain
Tap number greatly is obtained, system cost is substantially reduced.Multi-wavelength optical fiber laser can be applied in optical fiber sensing system, to realize height
Sensitivity and the adjustable sensing capabilities of sensitivity.
Multi-wavelength Brillouin optical fiber laser fixes since wavelength interval may be implemented at room temperature, the multi-wavelength of line width
Output, thus studied extensively by people always.The wavelength interval of multi-wavelength Brillouin optical fiber laser depends on excited Brillouin
The material property of astigmatism fibre, the Brillouin shift value of general silica fibre is about 11GHz, therefore multi-wavelength Brillouin optical fiber swashs device
Wavelength interval be 11GHz.In order to widen wavelength interval, researcher propose some schemes (OPTICS EXPRESS,
Jan.2011, Vol.19, No.3, IEEE Photonics Journal, Oct.2012, Vol.4, No.5), it may be implemented two
The multi-wavelength output of times Brillouin shift wavelength interval.The multi-wavelength optical fiber laser of these twice of Brillouin shift wavelength intervals
Implementation, typically single output port provides more for the application flexibility for increasing optical fiber laser for industrial application
The optical fiber laser of twice of Brillouin shift wavelength interval of selection scheme, research dual output port or multi output port has very much must
It wants.The optical fiber laser report of twice of Brillouin shift wavelength interval of dual output port is seldom, document (IEEE Photonics
Journal, Aug.2012, Vol.4, No.4) report a dual output port twice of Brillouin shift wavelength interval it is more
Long wavelength fiber laser, due to there was only a kind of non-linear brillouin gain, the odd order and even order Brillouin's stokes light of output
Power is not perfectly flat smooth.
Summary of the invention
The first purpose of this invention be to provide a kind of output odd order and even order Brillouin's Stokes optical power it is flat
Smooth, simple twice of the Brillouin shift wavelength interval in dual output port of structure multi-wavelength optical fiber laser.
The object of the present invention is achieved like this:
A kind of multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port, is characterized in: including tunable
Narrow linewidth laser 1, three ports light rings 2,3X3 fiber coupler 3, the first image intensifer 4, the first single mode optical fiber 5, first
Optoisolator 6, the second image intensifer 7, the second single mode optical fiber 8, the second optoisolator 9；
The output port of tunable narrow-linewidth laser 1 is connected with the first port 21 of three ports light rings 2, the three port rings of light
The port a2 at the end a of the second port 22 and 3X3 fiber coupler 3 of shape device 2 is connected, the third port of three ports light rings 2
23 are used as odd order Brillouin's stokes light delivery outlet of optical fiber laser, i.e. the first output port of optical fiber laser；3X3 light
The port b2 at the end b of fine coupler 3 is used as even order Brillouin's stokes light delivery outlet of optical fiber laser, i.e. optical-fiber laser
The second output terminal mouth of device；
The port b1 at the end b of 3X3 fiber coupler 3 connects a port of the first image intensifer 4, the first image intensifer 4 it is another
A port connects one end of the first single mode optical fiber 5, and the other end of the first single mode optical fiber 5 connects the output of the first optoisolator 6
End, the input terminal of the first optoisolator 6 are connected to the port a1 at the end a of 3X3 fiber coupler 3, optical fiber loop b1-4-5-6-
The glazing annular chamber of a1-b1 composition optical fiber laser；
The port a3 at the end a of 3X3 fiber coupler 3 connects a port of the second image intensifer 7, the second image intensifer 7 it is another
A port connects one end of the second single mode optical fiber 8, and the other end of the second single mode optical fiber 8 connects the output of the second optoisolator 9
End, the input terminal of the second optoisolator 9 are connected to the port b3 at the end b of 3X3 fiber coupler 3, optical fiber loop a3-7-8-9-
The lower smooth annular chamber of b3-a3 composition optical fiber laser.
The tunable narrow-linewidth laser 1 is C-band narrow linewidth semiconductor laser, and output wavelength and power are continuous
Tuning, the maximum value of output power are 13dBm, and line width is lower than 1MHz.
First image intensifer 4, the second image intensifer 7 are erbium-doped fiber amplifier, by 980 pump lasers, are mixed
Erbium optical fiber and 1550/980 wavelength division multiplexer are formed by connecting.The peak power output of 980 pump lasers is up to 400mW.
Described volume two of the first single mode optical fiber 5 and the second single mode optical fiber 8 be with identical Brillouin shift value (about
Single mode optical fiber 10GHz).
First optoisolator 6 is to guarantee odd order Brillouin stokes light unidirectionally putting in entire glazing annular chamber
Big transmission, the second optoisolator 9 is to guarantee that even order Brillouin stokes light is passed in the unidirectional amplification of entire lower light annular chamber
It is defeated.
Working principle:
Tunable narrow-linewidth laser 1 export narrow-linewidth laser be used as Brillouin's pump light BP, Brillouin's pump light BP by
The first port 21 of three ports light rings 2 enters, by the second port 22 of three ports light rings 2 through 3X3 fiber coupler 3
The end a the port a2 enter 3X3 fiber coupler 3 the end b the port b1, then amplify through the first image intensifer 4, when putting
When big optical power is more than the stimulated Brillouin scattering threshold value of the first single mode optical fiber 5, the direction of propagation can be generated and Brillouin pumps
The opposite frequency in the direction of propagation light BP moves down the back-scattering light of a Brillouin shift, i.e. first rank Brillouin's Storrs light
BS1, first rank Brillouin's stokes light BS1 are after the amplification of the first image intensifer 4, the b1 at the end b through 3X3 fiber coupler 3
Port, then it is transferred to the end a of 3X3 fiber coupler 3；First rank Brillouin Storrs light BS1 of amplification is in 3X3 fiber coupler
3 end a is along the coupling output of three optical paths: the port a2 of first BS1 lease making 3X3 fiber coupler 3 is from three ports light rings 2
Third port 23 export, i.e., optical fiber laser the first output port output, second part BS1 is through 3X3 fiber coupler 3
The port a1 enters glazing annular chamber and amplifies to be exported again, under Part III BS1 enters through the port a3 of 3X3 fiber coupler 3
Brillouin pumping of the light annular chamber as excitation second-order Brillouin stokes light BS2, third portion BS1 points first put through the second light
Big device 7 amplifies, when the power of the Part III BS1 of amplification is higher than the stimulated Brillouin scattering threshold value of the second single mode optical fiber 8, meeting
Generate the back that the direction of propagation frequency opposite with the first rank Brillouin Storrs direction of propagation light BS1 moves down a Brillouin shift
To scattering light, i.e. second-order Brillouin Storrs light BS2, similarly, second-order Brillouin Storrs light BS2 is through the second light amplification
After device 7 amplifies, the a3 port transmission at the end a through 3X3 fiber coupler 3 to the end b of 3X3 fiber coupler 3；Second-order Brillouin
Storrs light BS2 is at the end b of 3X3 fiber coupler 3 along three optical path coupling outputs: first part BS2 is through 3X3 fiber coupler
3 port b2 output, i.e. the second output terminal mouth output of optical fiber laser, b3 of the second part BS2 through 3X3 fiber coupler 3
Port amplifies into lower smooth annular chamber and exports again, and Part III BS2 enters glazing through the port b1 of 3X3 fiber coupler 3
Brillouin pumping of the annular chamber as excitation third rank Brillouin's stokes light BS3, regular according to this, glazing annular chamber not stopping pregnancy
Raw each odd order Brillouin stokes light is exported from the third port 23 of three ports light rings 2, i.e. the first of optical fiber laser
Output port output, lower smooth annular chamber constantly generates each even order Brillouin stokes light, from the end b of 3x3 fiber coupler 3
The output of the port b2, i.e. the second output terminal mouth output of optical fiber laser；As long as it is corresponding to generate each rank Brillouin stokes light
Brillouin's pump power is greater than the stimulated Brillouin scattering threshold power of corresponding single mode optical fiber, the odd order Brillouin Si support of higher order
Ke Si light and even order Brillouin stokes light can generate always, to obtain twice of the interval Brillouin of two output ports
The multiwavelength laser at shifted wavelengths interval exports, until the excited Brillouin in the first single mode optical fiber 5 or the second single mode optical fiber 8
Until when the condition that scattering occurs is unsatisfactory for, Brillouin's stokes light of higher order will be no longer generated.
The present invention uses a 3X3 fiber coupler, connects two bidirectional optical amplifiers, two optoisolators and has phase
Two section single-mould fibers with Brillouin shift constitute two light annular chambers, realize in odd order Brillouin stokes light and even order cloth
Deep stokes light is exported from two light annular chambers respectively, realizes that the multi-wavelength optical fiber of twice of Brillouin shift wavelength interval swashs
The dual-port of light exports.
The invention is characterized in that carrying out pumping pre-amplification twice to each rank Brillouin stokes light, it is then used as lower single order
The Brillouin of Brillouin's stokes light pumps, while optical fiber laser two output ports (odd order Brillouin's stokes light
Output port and even order Brillouin's Stokes output port) output each rank Brillouin stokes light also all have passed through once
It is exported again after power gain, so on the one hand each available effective amplification of rank Brillouin Stokes optical power, to obtain
The lower single order Brillouin stokes light of relatively higher power, so that in twice of the cloth of two output ports of optical fiber laser
The multi-wavelength fibre laser power at deep shifted wavelengths interval is bigger, more flat.
Therefore, odd order and even order Brillouin Stokes optical power of the present invention with output are flat, structure is simply excellent
Brillouin's multi-wavelength optical fiber laser of this dual output port of point has latent in optic communication, microwave photon and sensory field of optic fibre
Scape before application.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Appended drawing reference in Fig. 1 are as follows: 1- tunable narrow-linewidth laser, tri- ports light rings of 2-, 21,22,23 be respectively three
First port, second port and the third port of ports light rings, 3-3X3 fiber coupler, a1, a2, a3, b1, b2, b3 points
Not Wei three ports at the end 3X3 fiber coupler a and three ports at the end b, the first image intensifer of 4-, the first single mode optical fiber of 5-,
The first optoisolator of 6-, the second image intensifer of 7-, the second single mode optical fiber of 8-, the second optoisolator of 9-；
Fig. 2 be tested in embodiment measure the first output port output twice of Brillouin shift wavelength interval multi-wavelength swash
Light, i.e. even order Brillouin stokes light；
Fig. 3 be tested in embodiment measure second output terminal mouth output twice of Brillouin shift wavelength interval multi-wavelength swash
Light, i.e. odd order Brillouin stokes light.
Specific embodiment
The following further describes the technical solution of the present invention with reference to the accompanying drawing.
As shown in Figure 1, both-end exports the multi-wavelength optical fiber laser of twice of Brillouin shift wavelength interval, including tunable
Narrow linewidth laser 1, three ports light rings 2,3X3 fiber coupler 3, the first image intensifer 4, the first single mode optical fiber 5, first
Optoisolator 6, the second image intensifer 7, the second single mode optical fiber 8, the second optoisolator 9；
The output port of tunable narrow-linewidth laser 1 is connected with the first port 21 of three ports light rings 2, the three port rings of light
The port a2 at the end a of the second port 22 and 3X3 fiber coupler 3 of shape device 2 is connected, the third port of three ports light rings 2
23 are used as odd order Brillouin's stokes light delivery outlet of optical fiber laser, i.e. the first output port of optical fiber laser；3X3 light
The port b2 at the end b of fine coupler 3 is used as even order Brillouin's stokes light delivery outlet of optical fiber laser, i.e. optical-fiber laser
The second output terminal mouth of device；
The port b1 at the end b of 3X3 fiber coupler 3 connects a port of the first image intensifer 4, the first image intensifer 4 it is another
A port connects one end of the first single mode optical fiber 5, and the other end of the first single mode optical fiber 5 connects the output of the first optoisolator 6
End, the input terminal of the first optoisolator 6 are connected to the port a1 at the end a of 3X3 fiber coupler 3, optical fiber loop b1-4-5-6-
The glazing annular chamber of a1-b1 composition optical fiber laser；
The port a3 at the end a of 3X3 fiber coupler 3 connects a port of the second image intensifer 7, the second image intensifer 7 it is another
A port connects one end of the second single mode optical fiber 8, and the other end of the second single mode optical fiber 8 connects the output of the second optoisolator 9
End, the input terminal of the second optoisolator 9 are connected to the port b3 at the end b of 3X3 fiber coupler 3, optical fiber loop a3-7-8-9-
The lower smooth annular chamber of b3-a3 composition optical fiber laser.
The narrow-linewidth laser that tunable narrow-linewidth laser 1 exports is used as Brillouin's pump light BP, Brillouin's pump light
BP is entered by the first port 21 of three ports light rings 2, by the second port 22 of three ports light rings 2 through 3X3 optical fiber coupling
The port a2 at the end a of clutch 3 enters the port b1 at the end b of 3X3 fiber coupler 3, then puts through the first image intensifer 4
Greatly, it when the optical power of amplification is more than the stimulated Brillouin scattering threshold value of the first single mode optical fiber 5, can generate in the direction of propagation and cloth
The opposite frequency in the direction of propagation deep pump light BP moves down the back-scattering light of a Brillouin shift, i.e. the first rank Brillouin Si support
This light BS1, first rank Brillouin's stokes light BS1 are after the amplification of the first image intensifer 4, the end b through 3X3 fiber coupler 3
The port b1, then be transferred to the end a of 3X3 fiber coupler 3；First rank Brillouin Storrs light BS1 of amplification is in 3X3 optical fiber coupling
The end a of clutch 3 is along the coupling output of three optical paths: the port a2 of first BS1 lease making 3X3 fiber coupler 3 is from the three port rings of light
The third port 23 of shape device 2 exports, i.e. the first output port output of optical fiber laser, and second part BS1 is through 3X3 fiber coupling
The port a1 of device 3 enters glazing annular chamber and amplifies to be exported again, a3 port of the Part III BS1 through 3X3 fiber coupler 3 into
Enter Brillouin pumping of the lower smooth annular chamber as excitation second-order Brillouin stokes light BS2, third portion BS1 points first through second
Image intensifer 7 amplifies, when the power of the Part III BS1 of amplification is higher than the stimulated Brillouin scattering threshold value of the second single mode optical fiber 8
When, the direction of propagation frequency opposite with the first rank Brillouin Storrs direction of propagation light BS1 can be generated and move down a brillouin frequency
The back-scattering light of shifting, i.e. second-order Brillouin Storrs light BS2, similarly, second-order Brillouin's Storrs light BS2 is through second
After image intensifer 7 amplifies, the a3 port transmission at the end a through 3X3 fiber coupler 3 to the end b of 3X3 fiber coupler 3；Second-order
Brillouin Storrs light BS2 is at the end b of 3X3 fiber coupler 3 along three optical path coupling outputs: first part BS2 is through 3X3 optical fiber
The port b2 of coupler 3 exports, i.e. the second output terminal mouth output of optical fiber laser, and second part BS2 is through 3X3 fiber coupling
The port b3 of device 3 enters lower smooth annular chamber and amplifies and export again, b1 port of the Part III BS2 through 3X3 fiber coupler 3 into
Enter Brillouin pumping of the glazing annular chamber as excitation third rank Brillouin's stokes light BS3, regular according to this, glazing annular chamber
It constantly generates each odd order Brillouin stokes light to export from the third port 23 of three ports light rings 2, i.e. optical fiber laser
The first output port output, lower smooth annular chamber constantly generates each even order Brillouin stokes light, from 3x3 fiber coupler 3
The end b the port b2 output, i.e., optical fiber laser second output terminal mouth output；As long as generating each rank Brillouin stokes light
Corresponding Brillouin's pump power is greater than the stimulated Brillouin scattering threshold power of corresponding single mode optical fiber, in the odd order cloth of higher order
Deep stokes light and even order Brillouin stokes light can generate always, to obtain twice of the interval of two output ports
The multiwavelength laser of Brillouin shift wavelength interval exports, up to being excited in the first single mode optical fiber 5 or the second single mode optical fiber 8
Until when the condition that Brillouin scattering occurs is unsatisfactory for, Brillouin's stokes light of higher order will be no longer generated.
In this way, generating odd order Brillouin stokes light by glazing annular chamber, generated in even order cloth in lower smooth annular chamber
Deep stokes light, and export odd order Brillouin stokes light and even order Brillouin stokes light from different ports,
Just the dual output port of Brillouin's multiple-wavelength laser of twice of Brillouin shift wavelength interval is obtained.
The tunable narrow-linewidth laser 1 is C-band narrow linewidth semiconductor laser, and output wavelength and power are continuous
Tuning, the maximum value of output power are 13dBm, and line width is lower than 1MHz.In embodiment experiment, pumping wavelength BPW is 1556.9nm,
Power BPP is 12dBm.
First image intensifer 4, the second image intensifer 7 are erbium-doped fiber amplifier, by 980 pump lasers, are mixed
Erbium optical fiber and 1550/980 wavelength division multiplexer are formed by connecting.The peak power output of 980 pump lasers is up to 400mW.Implement
Er-doped fiber length used in the first image intensifer 4 and the second image intensifer 7 is 10m, two 980 pumping lasers in example experiment
Output power P1=P2=150mW of device.
Described volume two of the first single mode optical fiber 5 and the second single mode optical fiber 8 be with identical Brillouin shift value (about
General single mode fiber 10GHz), embodiment experiment in the first single mode optical fiber 5 length L1 be 20km, the second single mode optical fiber 8
Length L2 is 9.6km.
First optoisolator 6 is to guarantee odd order Brillouin stokes light unidirectionally putting in entire glazing annular chamber
Big transmission, the second optoisolator 9 is to guarantee that even order Brillouin stokes light is passed in the unidirectional amplification of entire lower light annular chamber
It is defeated.
The course of work of the invention is described in detail above, to those skilled in the art, foundation
Thought provided by the invention, in place of may having change in the mode of specific implementation, such as using the 3X3 optical fiber coupling of different splitting ratios
Clutch, these changes should also be regarded as the scope of the invention.
Claims (5)
1. a kind of multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port, it is characterised in that: including
Tunable narrow-linewidth laser (1), three ports light rings (2), 3X3 fiber coupler (3), the first image intensifer (4), first
Single mode optical fiber (5), the first optoisolator (6), the second image intensifer (7), the second single mode optical fiber (8), the second optoisolator (9)；
The output port of tunable narrow-linewidth laser (1) is connected with the first port 21 of three ports light rings (2), three ports
The second port 22 of optical circulator (2) is connected with the port a2 at the end a of 3X3 fiber coupler (3), three ports light rings (2)
Third port 23 be used as optical fiber laser odd order Brillouin's stokes light delivery outlet, i.e., optical fiber laser first output
Port；The port b2 at the end b of 3X3 fiber coupler (3) is used as even order Brillouin's Stokes light output of optical fiber laser
Mouth, i.e. the second output terminal mouth of optical fiber laser；
The a port of the port the b1 connection the first image intensifer (4) at the end b of 3X3 fiber coupler (3), the first image intensifer
(4) one end of another port connection the first single mode optical fiber (5), the other end of the first single mode optical fiber (5) connect the first light every
Output end from device (6), the input terminal of the first optoisolator (6) are connected to the port a1 at the end a of 3X3 fiber coupler (3),
The glazing annular chamber of optical fiber loop b1-4-5-6-a1-b1 composition optical fiber laser；
The a port of the port the a3 connection the second image intensifer (7) at the end a of 3X3 fiber coupler (3), the second image intensifer
(7) one end of another port connection the second single mode optical fiber (8), the other end of the second single mode optical fiber (8) connect the second light every
Output end from device (9), the input terminal of the second optoisolator (9) are connected to the port b3 at the end b of 3X3 fiber coupler (3),
The lower smooth annular chamber of optical fiber loop a3-7-8-9-b3-a3 composition optical fiber laser.
2. the multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port according to claim 1,
It is characterized by: the tunable narrow-linewidth laser (1) is C-band narrow linewidth semiconductor laser, output wavelength and power
Equal continuous tuning, the maximum value of output power are 13dBm, and line width is lower than 1MHz.
3. the multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port according to claim 1,
It is characterized by: first image intensifer (4), the second image intensifer (7) are erbium-doped fiber amplifier, swashed by 980 pumpings
Light device, Er-doped fiber and 1550/980 wavelength division multiplexer are formed by connecting；The peak power output of 980 pump lasers is reachable
400mW。
4. the multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port according to claim 1,
It is characterized by: described volume two of the first single mode optical fiber (5) and the second single mode optical fiber (8) are with identical Brillouin shift
Value: the about single mode optical fiber of 10GHz.
5. the multi-wavelength optical fiber laser of twice of the Brillouin shift wavelength interval in dual output port according to claim 1,
It is characterized by: first optoisolator (6) is to guarantee odd order Brillouin stokes light in entire glazing annular chamber
Unidirectional amplification transmission, the second optoisolator (9) is to guarantee even order Brillouin stokes light in the list of entire lower light annular chamber
It is transmitted to amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221435.3A CN109149334B (en) | 2018-10-19 | 2018-10-19 | Multi-wavelength fiber laser with double Brillouin frequency shift wavelength intervals at double output ports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221435.3A CN109149334B (en) | 2018-10-19 | 2018-10-19 | Multi-wavelength fiber laser with double Brillouin frequency shift wavelength intervals at double output ports |
Publications (2)
| Publication Number | Publication Date |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698459A (en) * | 2019-02-11 | 2019-04-30 | 上海应用技术大学 | Three colour synchronisation Q adjusting optical fiber lasers |
| CN110048303A (en) * | 2019-03-18 | 2019-07-23 | 深圳市速腾聚创科技有限公司 | A kind of laser and Optical Maser System |
| CN110165541A (en) * | 2019-06-17 | 2019-08-23 | 南京邮电大学 | Changeable Brillouin-Er-doped fiber the accidental laser in wavelength interval |
| CN110323661A (en) * | 2019-07-16 | 2019-10-11 | 桂林电子科技大学 | A kind of multi-wavelength optical fiber laser at four times of Brillouin shift frequency wavelengths interval |
| CN111162434A (en) * | 2019-12-26 | 2020-05-15 | 浙江大学 | Continuous adjustable dual-wavelength narrow-bandwidth optical fiber laser based on dispersion cavity gain modulation |
| CN113161859A (en) * | 2021-03-22 | 2021-07-23 | 桂林电子科技大学 | Multi-wavelength fiber laser with quadruple Brillouin frequency wavelength interval |
| CN113218533A (en) * | 2021-04-30 | 2021-08-06 | 桂林电子科技大学 | Optical fiber laser temperature sensor based on double Brillouin frequency shifter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570256A (en) * | 2012-01-16 | 2012-07-11 | 宜春学院 | Method for producing single-longitudinal-mode multi-wavelength broadband-tunable brillouin laser and brillouin laser device |
| CN103337773A (en) * | 2013-05-28 | 2013-10-02 | 杭州电子科技大学 | Multi-wavelength fiber laser for double Brillouin frequency shift interval |
| CN105048260A (en) * | 2015-08-03 | 2015-11-11 | 杭州电子科技大学 | Multi-wavelength fiber laser with tunable wavelength intervals |
| US20160204571A1 (en) * | 2015-01-14 | 2016-07-14 | Honeywell International Inc. | Systems and methods for an optical frequency comb stimulated brillouin scattering gyroscope with rigid optical waveguide resonator |
| WO2017112752A1 (en) * | 2015-12-22 | 2017-06-29 | California Institute Of Technology | Stabilized non-reciprocal fiber-ring brillouin laser source |
-
2018
- 2018-10-19 CN CN201811221435.3A patent/CN109149334B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570256A (en) * | 2012-01-16 | 2012-07-11 | 宜春学院 | Method for producing single-longitudinal-mode multi-wavelength broadband-tunable brillouin laser and brillouin laser device |
| CN103337773A (en) * | 2013-05-28 | 2013-10-02 | 杭州电子科技大学 | Multi-wavelength fiber laser for double Brillouin frequency shift interval |
| US20160204571A1 (en) * | 2015-01-14 | 2016-07-14 | Honeywell International Inc. | Systems and methods for an optical frequency comb stimulated brillouin scattering gyroscope with rigid optical waveguide resonator |
| CN105048260A (en) * | 2015-08-03 | 2015-11-11 | 杭州电子科技大学 | Multi-wavelength fiber laser with tunable wavelength intervals |
| WO2017112752A1 (en) * | 2015-12-22 | 2017-06-29 | California Institute Of Technology | Stabilized non-reciprocal fiber-ring brillouin laser source |
Non-Patent Citations (2)
| Title |
|---|
| SEBASTIEN LORANGER ET AL.: "Demonstration of an ultra-high frequency picosecond pulse generator using an SBS frequency comb and self phase-locking", 《OPTICS EXPRESS》 * |
| 徐荣辉等: "四倍频移间隔的多波长布里渊/铒光纤激光器", 《南昌工程学院学报》 * |
Cited By (10)
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|---|---|---|---|---|
| CN109698459A (en) * | 2019-02-11 | 2019-04-30 | 上海应用技术大学 | Three colour synchronisation Q adjusting optical fiber lasers |
| CN110048303A (en) * | 2019-03-18 | 2019-07-23 | 深圳市速腾聚创科技有限公司 | A kind of laser and Optical Maser System |
| CN110165541A (en) * | 2019-06-17 | 2019-08-23 | 南京邮电大学 | Changeable Brillouin-Er-doped fiber the accidental laser in wavelength interval |
| CN110165541B (en) * | 2019-06-17 | 2020-12-18 | 南京邮电大学 | Brillouin-erbium-doped fiber random laser with switchable wavelength intervals |
| CN110323661A (en) * | 2019-07-16 | 2019-10-11 | 桂林电子科技大学 | A kind of multi-wavelength optical fiber laser at four times of Brillouin shift frequency wavelengths interval |
| CN111162434A (en) * | 2019-12-26 | 2020-05-15 | 浙江大学 | Continuous adjustable dual-wavelength narrow-bandwidth optical fiber laser based on dispersion cavity gain modulation |
| CN111162434B (en) * | 2019-12-26 | 2021-02-23 | 浙江大学 | Continuous adjustable dual-wavelength narrow-bandwidth optical fiber laser based on dispersion cavity gain modulation |
| CN113161859A (en) * | 2021-03-22 | 2021-07-23 | 桂林电子科技大学 | Multi-wavelength fiber laser with quadruple Brillouin frequency wavelength interval |
| CN113218533A (en) * | 2021-04-30 | 2021-08-06 | 桂林电子科技大学 | Optical fiber laser temperature sensor based on double Brillouin frequency shifter |
| CN113218533B (en) * | 2021-04-30 | 2024-01-26 | 桂林电子科技大学 | Fiber laser temperature sensor based on double Brillouin frequency shifter |
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Application publication date: 20190104 Assignee: Fujian Tenglin Communication Technology Co.,Ltd. Assignor: FUJIAN GUI COMM-TECH CO.,LTD. Contract record no.: X2023350000309 Denomination of invention: A multi wavelength fiber laser with dual output ports and double Brillouin frequency shift wavelength spacing Granted publication date: 20200403 License type: Common License Record date: 20230712 |
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