CN204333585U - Based on the tunable fiber optical parametric oscillator of random distribution feedback - Google Patents
Based on the tunable fiber optical parametric oscillator of random distribution feedback Download PDFInfo
- Publication number
- CN204333585U CN204333585U CN201520032292.7U CN201520032292U CN204333585U CN 204333585 U CN204333585 U CN 204333585U CN 201520032292 U CN201520032292 U CN 201520032292U CN 204333585 U CN204333585 U CN 204333585U
- Authority
- CN
- China
- Prior art keywords
- fiber
- circulator
- tunable
- polarization controller
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lasers (AREA)
Abstract
The utility model devises the tunable fiber optical parametric oscillator based on random distribution feedback, belong to fiber laser technology field, be made up of tunable laser, the first Polarization Controller, phase-modulator, pulse-pattern generator, the second Polarization Controller, erbium-doped fiber amplifier, optical isolator, the first circulator, fiber grating, high nonlinear dispersion shifted fiber, tunable bandpass filters, the second circulator, wavelength division multiplexer, Er-doped fiber pump laser source, Er-doped fiber, monomode fiber, the 3rd Polarization Controller.First circulator, high nonlinear dispersion shifted fiber, tunable bandpass filters, the second circulator, the 3rd Polarization Controller, fiber grating are formed a loop configuration by the utility model, jointly form the chamber that vibrates with wavelength division multiplexer, Er-doped fiber, monomode fiber, realize Random Laser vibration.By changing tunable bandpass filters operation wavelength, the tunable characteristic exporting Random Laser can be realized.This fiber-optic parametric oscillator has the advantages such as compact conformation, output wavelength is tunable, tuning range is large.
Description
Technical field
The utility model relates to a kind of fiber-optic parametric oscillator, especially relates to the tunable fiber optical parametric oscillator based on random distribution feedback, belongs to fiber laser technology field.
Background technology
Gain is high, gain band is roomy owing to having for fiber-optic parametric amplifier, gain ranging is not subject to the features such as material limits, the response time is fast and is subject to people's extensive concern.Fiber-optic parametric oscillator corresponding with it utilizes has the selection that the long resonant cavity of lock chamber realizes tranmitting frequency, obtains Laser output.But, based on our finding, at home and abroad there is no the relevant report of the tunable fiber optical parametric oscillator based on random distribution feedback at present.
Summary of the invention
The purpose of this utility model is to provide the tunable fiber optical parametric oscillator based on random distribution feedback, this oscillator utilizes the rayleigh backscattering of monomode fiber to feed back as random distribution, utilizes Er-doped fiber to carry out light amplification to feedback signal and solves the more weak problem of Rayleigh scattering.And the wavelength of light signal fed back is controlled by tunable bandpass filters, the Random Laser making it export has wider tuning range.This fiber-optic parametric oscillator has the advantages such as compact conformation, output wavelength is tunable, tuning range is large.
The technical scheme that the utility model adopts is:
Based on the tunable fiber optical parametric oscillator of random distribution feedback, comprise tunable laser (1), first Polarization Controller (2), phase-modulator (3), pulse-pattern generator (4), second Polarization Controller (5), erbium-doped fiber amplifier (6), optical isolator (7), first circulator (8), fiber grating (9), high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), second circulator (12), wavelength division multiplexer (13), Er-doped fiber pump laser source (14), Er-doped fiber (15), monomode fiber (16), 3rd Polarization Controller (17), described tunable laser (1) and the first Polarization Controller (2), phase-modulator (3), second Polarization Controller (5), erbium-doped fiber amplifier (6), optical isolator (7) is connected successively, pulse-pattern generator (4) access phase-modulator (3), optical isolator (7) output is connected with the first circulator Single port (100), first circulator Two-port netwerk (101) is connected with fiber grating (9) one end, first circulator three port (102) successively with high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), second circulator Single port (103) is connected, second circulator Two-port netwerk (104) is connected with wavelength division multiplexer Single port (106), wavelength division multiplexer Two-port netwerk (107) is connected with Er-doped fiber pump laser (14), wavelength division multiplexer three port (108) successively with Er-doped fiber (15), monomode fiber (16) is connected, second circulator three port (105) successively with the 3rd Polarization Controller (17), fiber grating (9) other end is connected, monomode fiber (16) other end exports Random Laser signal.
Described the first circulator (8), high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), the second circulator (12), the 3rd Polarization Controller (17), fiber grating (9) composition loop configuration, form the chamber that vibrates jointly with wavelength division multiplexer (13), Er-doped fiber (15), monomode fiber (16).
Described tunable bandpass filters (11) has the effect controlling feedback light wavelength signals, realizes having exporting compared with the Random Laser of wide tunable range.
The beneficial effects of the utility model are:
1, utilize Er-doped fiber to amplify light signal fed back, effectively solve the more weak problem of Rayleigh scattering.
2, utilize tunable bandpass filters to control feedback light wavelength signals, output Random Laser can be made to have wider tuning range.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tunable fiber optical parametric oscillator that the utility model feeds back based on random distribution.
In Fig. 1: 1 is tunable laser; 2 is the first Polarization Controller; 3 is phase-modulator; 4 is pulse-pattern generator; 5 is the second Polarization Controller; 6 is erbium-doped fiber amplifier; 7 is optical isolator; 8 is the first circulator; 9 is fiber grating; 10 is high nonlinear dispersion shifted fiber; 11 is tunable bandpass filters; 12 is the second circulator; 13 is wavelength division multiplexer; 14 is Er-doped fiber pump laser; 15 is Er-doped fiber; 16 is monomode fiber; 17 is the 3rd Polarization Controller; 100 is the first circulator Single port; 101 is the first circulator Two-port netwerk; 102 is the first circulator three port; 103 is the second circulator Single port; 104 is the second circulator Two-port netwerk; 105 is the second circulator three port; 106 is wavelength division multiplexer Single port; 107 is wavelength division multiplexer Two-port netwerk; 108 is wavelength division multiplexer three port.
Embodiment
In Fig. 1, based on the tunable fiber optical parametric oscillator of random distribution feedback, comprise tunable laser 1, first Polarization Controller 2, phase-modulator 3, pulse-pattern generator 4, second Polarization Controller 5, erbium-doped fiber amplifier 6, optical isolator 7, first circulator 8, fiber grating 9, high nonlinear dispersion shifted fiber 10, tunable bandpass filters 11, second circulator 12, wavelength division multiplexer 13, Er-doped fiber pump laser 14, Er-doped fiber 15, monomode fiber 16, the 3rd Polarization Controller 17, described tunable laser 1 and the first Polarization Controller 2, phase-modulator 3, second Polarization Controller 5, erbium-doped fiber amplifier 6, optical isolator 7 is connected successively, pulse-pattern generator 4 accesses phase-modulator 3, optical isolator 7 output is connected with the first circulator Single port 100, first circulator Two-port netwerk 101 is connected with fiber grating 9, first circulator three port one 02 and high non-linearity dispersive optical fiber 10, tunable bandpass filters 11, second circulator Single port 103 is connected successively, second circulator Two-port netwerk 104 is connected with wavelength division multiplexer Single port 106, wavelength division multiplexer Two-port netwerk 107 is connected with Er-doped fiber pump laser 14, wavelength division multiplexer three port one 08 and Er-doped fiber 15, monomode fiber 16 is connected successively, second circulator three port one 05 successively with the 3rd Polarization Controller 17, fiber grating 9 is connected, monomode fiber 16 other end exports Random Laser signal.
Operation principle based on the tunable fiber optical parametric oscillator of random distribution feedback:
The laser that tunable laser 1 sends is successively after the first Polarization Controller 2, phase-modulator 3, second Polarization Controller 5, erbium-doped fiber amplifier 6, optical isolator 7, obtain spectrum widening and power amplification, after entering loop configuration by the first circulator Single port 100, the light of specific wavelength is reflected under the effect of fiber grating 9, and exported by the first circulator three port one 02, by there is optical parameter effect during high nonlinear dispersion shifted fiber 10, realize wavelength transfer.Then, under tunable bandpass filters 11 acts on, export the light signal of specific wavelength, then enter wavelength division multiplexer 13 via the second circulator 12, the Er-doped fiber 15 of quilt amplifies, then through monomode fiber 16.Utilize the rayleigh backscattering effect of monomode fiber 16 to realize random distribution feedback, feedback light enters loop configuration through Er-doped fiber 15, wavelength division multiplexer 13, second circulator three port one 08 successively, realizes Random Laser vibration.If pumping light power is enough strong, the other end of monomode fiber 16 can export Random Laser signal.Change tunable bandpass filters operation wavelength, the tunable characteristic exporting Random Laser can be realized.
Embodiment
Embodiment of the present utility model as shown in Figure 1, wherein tunable laser 1 wavelength is 1559.36nm, the frequency of pulse-pattern generator 4 is 12.5GHz, the centre wavelength of fiber grating 9 is 1559.36nm, the zero dispersion point of high nonlinear dispersion shifted fiber 10 is 1559nm, its length is 1km, the tuning range of tunable bandpass filters 11 is 1520nm-1570nm, wavelength division multiplexer 13 operation wavelength is 980nm/1550nm, Er-doped fiber pump laser 14 output wavelength is 980nm, Er-doped fiber 15 length is 1m, and the length of monomode fiber 16 is 20km.
Output wavelength is tunable laser 1 and first Polarization Controller 2 of 1559.36nm, phase-modulator 3, second Polarization Controller 5, erbium-doped fiber amplifier 6, optical isolator 7 is connected successively, frequency is that the pulse-pattern generator 4 of 12.5GHz accesses phase-modulator 3, optical isolator 7 output is connected with the first circulator Single port 100, first circulator Two-port netwerk 101 and centre wavelength are that the fiber grating 9 of 1559.36nm is connected, first circulator three port one 02 is 1559nm with zero dispersion point successively, length is the high non-linearity dispersive optical fiber 10 of 1km, tuning range is the tunable bandpass filters 11 of 1520nm-1570nm, second circulator Single port 103 is connected, second circulator Two-port netwerk 104 and operation wavelength are that the wavelength division multiplexer Single port 106 of 980nm/1550nm is connected, wavelength division multiplexer Two-port netwerk 107 and output wavelength are that the Er-doped fiber pump laser 14 of 980nm is connected, wavelength division multiplexer three port one 08 is the Er-doped fiber 15 of 1m successively with length, length is that the monomode fiber 16 of 20km is connected, second circulator three port one 05 successively with the 3rd Polarization Controller 17, fiber grating 9 is connected, monomode fiber 16 other end exports Random Laser signal.
The laser that the tunable laser 1 of 1559.36nm sends is successively after the first Polarization Controller 2, phase-modulator 3, second Polarization Controller 5, erbium-doped fiber amplifier 6, optical isolator 7, obtain spectrum widening and power amplification, after entering loop configuration by the first circulator Single port 100, the light of 1559.36nm wavelength is reflected under the effect of fiber grating 9, and exported by the first circulator three port one 02, by there is optical parameter effect during high nonlinear dispersion shifted fiber 10, realize wavelength transfer.Then, under tunable bandpass filters 11 effect that tuning range is 1520nm-1570nm, export the light signal of specific wavelength, then enter via the second circulator 12 wavelength division multiplexer 13 that operation wavelength is 980nm/1550nm, the Er-doped fiber 15 being 1m by length amplifies, then through the monomode fiber 16 of 20km.Utilize the rayleigh backscattering effect of monomode fiber 16 to realize random distribution feedback, feedback light enters loop configuration through Er-doped fiber 15, wavelength division multiplexer 13, second circulator three port one 08 successively, realizes Random Laser vibration.If pumping light power is enough strong, the other end of monomode fiber 16 can export Random Laser signal.Change tunable bandpass filters operation wavelength, the tunable characteristic exporting Random Laser can be realized.
Claims (3)
1. based on the tunable fiber optical parametric oscillator of random distribution feedback, comprise tunable laser (1), first Polarization Controller (2), phase-modulator (3), pulse-pattern generator (4), second Polarization Controller (5), erbium-doped fiber amplifier (6), optical isolator (7), first circulator (8), fiber grating (9), high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), second circulator (12), wavelength division multiplexer (13), Er-doped fiber pump laser source (14), Er-doped fiber (15), monomode fiber (16), 3rd Polarization Controller (17), it is characterized in that: described tunable laser (1) and the first Polarization Controller (2), phase-modulator (3), second Polarization Controller (5), erbium-doped fiber amplifier (6), optical isolator (7) is connected successively, pulse-pattern generator (4) access phase-modulator (3), optical isolator (7) output is connected with the first circulator Single port (100), first circulator Two-port netwerk (101) is connected with fiber grating (9) one end, first circulator three port (102) successively with high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), second circulator Single port (103) is connected, second circulator Two-port netwerk (104) is connected with wavelength division multiplexer Single port (106), wavelength division multiplexer Two-port netwerk (107) is connected with Er-doped fiber pump laser (14), wavelength division multiplexer three port (108) successively with Er-doped fiber (15), monomode fiber (16) is connected, second circulator three port (105) successively with the 3rd Polarization Controller (17), fiber grating (9) other end is connected, monomode fiber (16) other end exports Random Laser signal.
2. the tunable fiber optical parametric oscillator based on random distribution feedback according to claim 1, it is characterized in that, described the first circulator (8), high nonlinear dispersion shifted fiber (10), tunable bandpass filters (11), the second circulator (12), the 3rd Polarization Controller (17), fiber grating (9) composition loop configuration, form the chamber that vibrates jointly with wavelength division multiplexer (13), Er-doped fiber (15), monomode fiber (16).
3. the tunable fiber optical parametric oscillator based on random distribution feedback according to claim 1, it is characterized in that, described tunable bandpass filters (11) has the effect controlling feedback light wavelength signals, realizes having exporting compared with the Random Laser of wide tunable range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032292.7U CN204333585U (en) | 2015-01-16 | 2015-01-16 | Based on the tunable fiber optical parametric oscillator of random distribution feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520032292.7U CN204333585U (en) | 2015-01-16 | 2015-01-16 | Based on the tunable fiber optical parametric oscillator of random distribution feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204333585U true CN204333585U (en) | 2015-05-13 |
Family
ID=53169903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520032292.7U Expired - Fee Related CN204333585U (en) | 2015-01-16 | 2015-01-16 | Based on the tunable fiber optical parametric oscillator of random distribution feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204333585U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299977A (en) * | 2016-09-19 | 2017-01-04 | 西安电子科技大学 | The device and method of two frequency multiplication photoelectric oscillator based on phase-modulation |
| CN107086904A (en) * | 2017-05-23 | 2017-08-22 | 西南大学 | The Chaotic Wideband Signal generating means that centre wavelength is tunable |
| US11418162B2 (en) | 2020-01-22 | 2022-08-16 | International Business Machines Corporation | Band-pass Josephson traveling wave parametric amplifier |
| CN115967002A (en) * | 2022-11-25 | 2023-04-14 | 山东省科学院激光研究所 | Multi-channel fast selection and tunable single-frequency fiber laser and use method |
-
2015
- 2015-01-16 CN CN201520032292.7U patent/CN204333585U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299977A (en) * | 2016-09-19 | 2017-01-04 | 西安电子科技大学 | The device and method of two frequency multiplication photoelectric oscillator based on phase-modulation |
| CN106299977B (en) * | 2016-09-19 | 2019-01-25 | 西安电子科技大学 | The method of two frequency multiplication photoelectric oscillators based on phase-modulation |
| CN107086904A (en) * | 2017-05-23 | 2017-08-22 | 西南大学 | The Chaotic Wideband Signal generating means that centre wavelength is tunable |
| CN107086904B (en) * | 2017-05-23 | 2023-05-23 | 西南大学 | Broadband chaotic signal generating device with tunable center wavelength |
| US11418162B2 (en) | 2020-01-22 | 2022-08-16 | International Business Machines Corporation | Band-pass Josephson traveling wave parametric amplifier |
| US11949387B2 (en) | 2020-01-22 | 2024-04-02 | International Business Machines Corporation | Band-pass Josephson traveling wave parametric amplifier |
| CN115967002A (en) * | 2022-11-25 | 2023-04-14 | 山东省科学院激光研究所 | Multi-channel fast selection and tunable single-frequency fiber laser and use method |
| CN115967002B (en) * | 2022-11-25 | 2023-07-14 | 山东省科学院激光研究所 | Multichannel rapid selection and tunable single-frequency fiber laser and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204333585U (en) | Based on the tunable fiber optical parametric oscillator of random distribution feedback | |
| CN102570256B (en) | Method for producing single-longitudinal-mode multi-wavelength broadband-tunable brillouin laser and brillouin laser device | |
| CN101977065B (en) | Ultra-wide band (UWB) chaotic signal generator | |
| CN103022873B (en) | Ultrashort pulse generator based on double pump parametric process | |
| CN103378539B (en) | A kind of annular chamber broadband random fiber laser | |
| CN103296569A (en) | Super-continuum spectrum light source based on dual-band seed source Er-Yb co-doped optical fiber amplifier | |
| CN103247934B (en) | Broadband tunable multi-wavelength Brillouin fiber laser | |
| CN104934853A (en) | A photoelectric oscillator based on a direct-modulation semiconductor dual-mode laser | |
| CN106654829A (en) | Tunable ultrashort pulse fiber optic parametric oscillator | |
| CN107086428B (en) | High-peak-power narrow linewidth fiber pulse laser and application method thereof | |
| CN104466636A (en) | Single-frequency Q-switched pulsed fiber laser | |
| CN107039879A (en) | Passive mode-locking vector soliton fiber laser and the method for output vector orphan | |
| CN103296567B (en) | Ultra-narrow-linewidth nonlinear gain amplification multi-wavelength fiber laser | |
| CN107946878A (en) | A kind of 0.9 mu m waveband ultra-low noise narrow-linewidth single frequency fiber laser light source | |
| CN104051955A (en) | High-quality tunable photoproduction microwave source based on semiconductor double-module laser | |
| CN104409952A (en) | Double-cladding thulium-doped all-fiber ultrafast laser based on nonlinear polarization rotation mode locking | |
| CN103956640A (en) | Wavelength switchable fiber laser based on graphene and core shift structure | |
| CN104518416A (en) | Tunable optical fiber optical parameter oscillator based on Rayleigh backscattering | |
| CN202977957U (en) | Forward feedback amplification system | |
| CN203850614U (en) | Multi-wavelength Brillouin-Er-doped fiber laser based on random distribution feedback | |
| CN108879302B (en) | Optical frequency comb generator based on optical parametric oscillation | |
| CN204333586U (en) | A kind of fiber-optic parametric oscillator based on random pitch fiber grating tandem | |
| CN105322420B (en) | Simple and adjustable multi-wavelength Brillouin-erbium-doped fiber laser | |
| CN105742952A (en) | Dark pulse laser with tunable pulse width | |
| CN109698460A (en) | A kind of multi-wavelength Brillouin-Er-doped fiber accidental laser of partly beginning to speak |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160116 |
|
| EXPY | Termination of patent right or utility model |