CN108899748A - Narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency - Google Patents
Narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency Download PDFInfo
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- CN108899748A CN108899748A CN201810649337.3A CN201810649337A CN108899748A CN 108899748 A CN108899748 A CN 108899748A CN 201810649337 A CN201810649337 A CN 201810649337A CN 108899748 A CN108899748 A CN 108899748A
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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
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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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1121—Harmonically mode locking lasers, e.g. modulation frequency equals multiple integers or a fraction of the resonator roundtrip time
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Abstract
Narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency, belongs to fiber laser technology field, and in order to improve the repetition rate of passive mode-locking thulium-doped fiber laser output, pump laser is connect with erbium-ytterbium co-doped fiber amplifier；Erbium-ytterbium co-doped fiber amplifier is connect with wavelength division multiplexer, and wavelength division multiplexer is connect with thulium doped fiber；Thulium doped fiber is connect with isolator, and isolator is connect with filter；Filter is connect with output coupler, and output light is exported by output coupler；Output coupler is connect with single mode optical fiber, single mode optical fiber is connect with the second Polarization Controller, second Polarization Controller is connect with the polarizer, the polarizer is connect with the first Polarization Controller, and the first Polarization Controller, the polarizer and the second Polarization Controller realize deflection nonlinearity effect passive mode-locking as mode locking element；First Polarization Controller is connect with wavelength division multiplexer, constitutes annular chamber；The present invention is suitable for the fields such as optic communication, spectroscopy and precision optics sampling technique.
Description
Technical field
The invention belongs to fiber laser technology fields, and in particular to a kind of narrow linewidth mode locking with high repetition frequency is mixed
Thulium optical fiber laser.
Background technique
The 2 mu m waveband optical fiber lasers to work in human eye safe waveband are in remote sensing, medicine, laser radar technique, from
There is potential application prospect by various fields such as space optical communications and is received extensive attention.
High repetition frequency optical fiber laser low, high-efficient, tunable, advantages of simple structure and simple with threshold value, for realizing
High rate communication, spectroscopy and precision optics sampling technique suffer from important role, therefore study 2 μm of high repetition frequency light
Fibre laser has important practical significance.
Currently, realizing that the main method of high repetition frequency has：By shortening, chamber is long to realize high repetition frequency to improve fundamental frequency
Mode locking pulse output；The mode locking pulse output of high repetition frequency is realized using harmonic mode locking technology.2016, Akosman,
A.E. equal that Linear-Cavity chamber length is shortened to 40cm and 18.7cm, having obtained repetition rate in 2 mu m wavebands is 253MHz and 535MHz
Fundamental frequency mode locking pulse output.The same year, Cheng, H. etc. are situated between using the highly doped thulium barium glass optical fiber of one section of 5.9cm as gain
Matter is exported using the fundamental frequency mode locking pulse that passive mode-locking technology realizes 1.6GHz in Linear-Cavity, this is 2 μm of waves so far
The fundamental frequency mode locking pulse for the highest repetition rate that section obtains.Although these compact all optical fibre structure lasers have low noise etc.
Plurality of advantages, but since the optical fibre devices such as coupler, isolator have certain fundamental length, only by the method for shortening chamber length
Improving fundamental frequency acquisition high repetition frequency has significant limitation.Using harmonic mode locking technology, the repetition rate for exporting pulse can be made
It is obviously improved.
Most of Harmonic mode-locked fiber lasers are mainly using the method for increasing pump power or increase interacvity gain.2016
Year, Chinese University of Science and Technology Tao Sha et al. is by reducing intra-cavity dispersion and increasing intracavitary non-linear method in the success of 1.55 mu m wavebands
Obtain the high repetition rate mode-locked lasers pulse of 22.132GHz.But due to the limitation of 2 μm of wave band optical fiber dispersion compensation device technique,
Higher repetitive frequency optical fiber laser difficult to realize.When the dispersion values and nonlinear parameter in lock chamber, for meeting Fu
The pulse of the vertical leaf transformation limit, the width of pulse is only related with spectral width, and harmonic order will be increased by reducing spectral width, mentions
High repetition frequency.
Summary of the invention
The present invention proposes a kind of with Gao Chong to improve the repetition rate that passive mode-locking thulium-doped fiber laser exports
The narrow linewidth mode locking thulium-doped fiber laser of complex frequency.
The present invention takes following technical scheme：
Narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency, characterized in that pump laser and erbium ytterbium are total
Doped fiber amplifier connection, the output power of pump laser are amplified to W grades by erbium-ytterbium co-doped fiber amplifier；Erbium and ytterbium codoping
Fiber amplifier is connect with wavelength division multiplexer, and wavelength division multiplexer is connect with thulium doped fiber, and pump laser passes through wavelength division multiplexer
Into thulium doped fiber, gain is generated, as the amplification to intracavitary optical signal；Thulium doped fiber is connect with isolator, isolator and filter
The connection of wave device, filter can narrow the bandwidth of gain spectra, increase the harmonic order of the laser, improve repetition rate；Filter
Wave device is connect with output coupler, and output light is exported by output coupler；Output coupler is connect with single mode optical fiber, single-mode optics
Fibre is connect with the second Polarization Controller, and the second Polarization Controller is connect with the polarizer, and the polarizer is connect with the first Polarization Controller,
First Polarization Controller, the polarizer and the second Polarization Controller realize that deflection nonlinearity effect is passively locked as mode locking element
Mould；First Polarization Controller is connect with wavelength division multiplexer, constitutes annular chamber.
The beneficial effects of the invention are as follows:The pump light that 1550nm pump laser 1 issues is put by erbium and ytterbium codoping amplifier 2
Thulium doped fiber 4 is entered by wavelength division multiplexer 3 to after W grades greatly, gain is generated as the amplification to intracavitary optical signal and mixes thulium light
The forward gain light of fibre 4 is isolated by isolator 11, and the backward gain light of thulium doped fiber 4 becomes line by the first Polarization Controller 5
Polarised light keeps this polarization state by the polarizer 6, converts ellipse for this linearly polarized light using after the second Polarization Controller 7
Polarised light, since the Kerr effect in optical fiber causes optical fibre refractivity as light intensity changes and generates the Self-phase modulation of light field
(Self Phase Modulation, SPM), so that elliptically polarized light accumulates nonlinear phase shift in single mode optical fiber 8.Meanwhile
Angle rotation related with light intensity can also occur for elliptically polarized light in transmission process.10% port of coupler 9 is as output end
Laser is exported, 90% port provides intracavitary positive feedback, narrows spectrum gain bandwidth using filter 10.When light cavity circulation again
When the secondary process polarizer, the strongest light vector of light intensity can be just that loss is 0, and the light of other light intensity passes through by the polarizer
The polarizer is to have biggish loss, is equivalent to the effect of a saturable absorber in this way, to realize mode locking.
Narrow band filter is used in technical solution, the bandwidth for the gain spectra that can effectively narrow increases harmonic order,
The repetition rate of laser output is improved, and realizes tunable wave length；Using thulium doped fiber and single mode optical fiber collectively as gain
Medium.
The present invention improves laser output using narrow band filter is added in mixing thulium passive mode-locking fiber laser
Repetition rate, by adjusting Polarization Controller, realizing maximum repetition rate is 10.3GHz, and spectrum 3dB line width is only 0.2nm
Mode locking pulse output.The tunable wave length of 1882nm to 1925nm range is realized by adjusting filter.The present invention is at 2 μm
Wave band obtains that repetition rate is higher, the narrower passive mode-locking light laser of line width.So that high repetition frequency narrow linewidth is passively locked
Potentiality of the mode fiber laser in fields such as high rate communication, spectroscopy and precision optics sampling techniques are bigger, application range
It is wider.
The structure of laser of the present invention is simple, high-efficient, output spectrum line width, tunable, and it is logical that it is especially suitable for light
The fields such as letter, spectroscopy and precision optics sampling technique.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the narrow linewidth mode locking thulium-doped fiber laser that the present invention has high repetition frequency.
Fig. 2 a is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 10.1MHz laser.
Fig. 2 b is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 20.2MHz laser.
Fig. 2 c is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 40.4MHz laser.
Fig. 2 d is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 1.38GHz laser.
Fig. 2 e is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 5.34GHz laser.
Fig. 2 f is the waveform diagram that repetition rate of the embodiment of the present invention is the output of 10.3GHz laser.
Fig. 3 is that spectrum 3dB line width of the embodiment of the present invention is 0.2nm output light spectrogram.
Fig. 4 is the spectrogram of wavelength of embodiment of the present invention wideband adjustable output.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention.
As shown in Figure 1, the narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency, including pump laser 1, erbium
Ytterbium co-doped fiber amplifier 2, wavelength division multiplexer 3, thulium doped fiber 4, the first Polarization Controller 5, the polarizer 6, the second Polarization Control
Device 7, single mode optical fiber 8, output coupler 9, filter 10 and isolator 11.Pump laser 1 and erbium-ytterbium co-doped fiber amplifier
The output power of 2 connections, pump laser 1 is amplified to W grades by erbium-ytterbium co-doped fiber amplifier 2；Erbium-ytterbium co-doped fiber amplification
Device 2 is connect with 3 port a of wavelength division multiplexer, and the port c of wavelength division multiplexer 3 is connect with thulium doped fiber 4；Thulium doped fiber 4 be isolated
Device 11 connects, and isolator 11 is connect with filter 10；Filter 10 is connect with the port e of output coupler 9, and output light is passed through
9 port f of output coupler output；
The port d of output coupler 9 is connect with single mode optical fiber 8, and single mode optical fiber 8 is connect with the second Polarization Controller 7.The
Two Polarization Controllers 7 are connect with the polarizer 6, and the polarizer 6 is connect with the first Polarization Controller 5.First Polarization Controller 5 is polarized
Device 6 and the second Polarization Controller 7 are as mode locking element realization deflection nonlinearity effect passive mode-locking.First Polarization Controller 5
It is connect with 3 port b of wavelength division multiplexer, constitutes annular chamber.
The operation wavelength of pump laser 1 is 1550nm.Wavelength division multiplexer 3 is 1550/2000nm wavelength division multiplexer.Mix thulium
Optical fiber 4 is 5m.The length of single mode optical fiber 8 is 20m.Filter 10 is the narrow band filter that filtering bandwidth is only 1.508nm.Filtering
Device 10 is tunable filter, and adjustable extent is 1940-2049nm.
It is 1550nm pumping that the present invention, which has the narrow linewidth mode locking thulium-doped fiber laser course of work of high repetition frequency,
The pump light that laser 1 issues is entered after erbium and ytterbium codoping amplifier 2 is amplified to W grades by the port b of wavelength division multiplexer 3,
Then it exports from the port c of wavelength division multiplexer 3 to thulium doped fiber 4, generates gain as the amplification to intracavitary optical signal and mix thulium
The forward gain light of optical fiber 4 is isolated by isolator 11, and the backward gain light of thulium doped fiber 4 returns to the port c of wavelength division multiplexer 3,
Entering the first Polarization Controller 5, the first Polarization Controller 5 using the port b of wavelength division multiplexer 3 becomes this backward gain light
This polarization state is kept using the polarizer 6, converts this linearly polarized light to after the second Polarization Controller 7 by linearly polarized light
Elliptically polarized light, due to the Kerr effect in optical fiber cause optical fibre refractivity with light intensity changes and generate light field from phase tune
It makes (Self Phase Modulation, SPM), so that elliptically polarized light accumulates nonlinear phase shift in single mode optical fiber 8.Part
Light is exported from the port f of coupler 9, and remaining light enters filter 10 in cavity circulation, when light is in chamber from the port e of coupler 9
Interior circulation is when again passing by the polarizer 6, and the strongest light vector of light intensity can be just that loss is 0 by the polarizer, and other light
Strong light is to have biggish loss by the polarizer, is equivalent to the effect of a saturable absorber in this way, to realize
Mode locking.
The process that there is the present invention narrow linewidth mode-locked laser of high repetition frequency to export：
1, according to the output wavelength range of the narrow linewidth mode locked fiber laser with high repetition frequency of required acquisition,
The thulium doped fiber 4 of corresponding gain ranging is selected, and thulium doped fiber length is determined according to optical fiber doping concentration and pumping source power.
2, the narrow linewidth mode locked fiber laser for the high repetition frequency that the covering of selection operating wavelength range needs to obtain is defeated
Out the wavelength division multiplexer 3 of wave-length coverage, the first Polarization Controller 5, the polarizer 6, the second Polarization Controller 7, output coupler 9,
Filter 10 and isolator 11.
3,1550nm pump laser 1 is opened, the output power of 1550nm pump laser 1 is adjusted, control laser is defeated
Power out, gain needed for power meets generation mode-locked laser.By adjusting the first Polarization Controller 5 and the second Polarization Control
Device 7 realizes that the passive mode-locking pulse that maximum repetition rate is 10.3GHz exports, in order to reduce loss, the company of intracavitary each device
Contact is directly fused together.Tunable optic filter 10 is adjusted, keeps the light generated continuously adjustable to 1925nm wave band in 1882nm,
Tuning range 43nm.Spectrum 3dB line width is only 0.2nm.
4, as shown in Fig. 2 a-2f, by above-mentioned 1 pumping process of 1550nm pump laser, optical signal is constantly recycled and is put
Greatly, meet the threshold condition of passive mode-locking pulse and realize mode locking, 1550nm pump light is by maximum to 2W, by adjusting first partially
Shake controller 5 and the second Polarization Controller 7, obtains the mode locking pulse that maximum repetition rate is 10.3GHz and exports.
5, as shown in figure 3, by adjusting narrow band filter 10, output wavelength range continuously may be used from 1882nm to 1925 nm
Tuning.
6, as shown in figure 4, the spectrum 3dB gain bandwidth of laser output is 0.2nm.
The present invention can obtain the outputs of the narrow-linewidth laser of high repetition frequency, and adjusting output wavelength by filter 10 can
The laser of tune；The repetition rate that output pulse is adjusted by the first Polarization Controller 5 and the second Polarization Controller 7, with various
The continuous development of photoelectric device, it will obtain more and more stable output pulses, and its application also will more extensively.
Claims (6)
1. the narrow linewidth mode locking thulium-doped fiber laser with high repetition frequency, characterized in that pump laser (1) and erbium ytterbium are total
The output power of doped fiber amplifier (2) connection, pump laser (1) is amplified to W by erbium-ytterbium co-doped fiber amplifier (2)
Grade；Erbium-ytterbium co-doped fiber amplifier (2) is connect with wavelength division multiplexer (3), and wavelength division multiplexer (3) is connect with thulium doped fiber (4), pump
Pu laser (1) enters thulium doped fiber (4) by wavelength division multiplexer (3), gain is generated, as the amplification to intracavitary optical signal；
Thulium doped fiber (4) is connect with isolator (11), and isolator (11) is connect with filter (10), and filter (10) can narrow spectrum
Gain bandwidth increases the harmonic order of the laser, improves repetition rate；Filter (10) is connect with output coupler (9), defeated
Light is exported by output coupler (9) out；
Output coupler (9) is connect with single mode optical fiber (8), and single mode optical fiber (8) is connect with the second Polarization Controller (7), and second partially
Vibration controller (7) is connect with the polarizer (6), and the polarizer (6) is connect with the first Polarization Controller (5), the first Polarization Controller
(5), the polarizer (6) and the second Polarization Controller (7) are as mode locking element realization deflection nonlinearity effect passive mode-locking；First
Polarization Controller (5) is connect with wavelength division multiplexer (3), constitutes annular chamber.
2. the narrow linewidth mode locking thulium-doped fiber laser according to claim 1 with high repetition frequency, which is characterized in that
The operation wavelength of the pump laser (1) is 1550mn.
3. according to claim 1 have high repetition frequency narrow linewidth passive mode-locking thulium-doped fiber laser, feature exists
In the wavelength division multiplexer (3) is 1550/2000nm wavelength division multiplexer；The port being connected with the first Polarization Controller (5) is
The input of 2000nm light.
4. according to claim 1 have high repetition frequency narrow linewidth passive mode-locking thulium-doped fiber laser, feature exists
In the thulium doped fiber (4) is 5m.
5. according to claim 1 have high repetition frequency narrow linewidth passive mode-locking thulium-doped fiber laser, feature exists
In the length of the single mode optical fiber (8) is 20m.
6. according to claim 1 have high repetition frequency narrow linewidth passive mode-locking thulium-doped fiber laser, feature exists
In the filter (10) is the narrow band filter that filtering bandwidth is only 1.508nm；The filter (10) is for adjustable extent
The tunable filter of 1940-2049nm.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309338A (en) * | 2018-12-13 | 2019-02-05 | 华南理工大学 | The tunable mode-locked optical fiber laser of Gao Zhongying and laser generation method and application |
| CN109802284A (en) * | 2019-01-25 | 2019-05-24 | 长春理工大学 | High-energy thulium-doped fiber laser based on NPR technology |
| CN110112639A (en) * | 2019-04-30 | 2019-08-09 | 南京邮电大学 | All -fiber mode-locked laser based on the micro-nano fiber polarizer |
| CN110854664A (en) * | 2019-11-22 | 2020-02-28 | 长春理工大学 | High-speed modulation mode-locking holmium-doped fiber laser based on external clock synchronization |
| CN112803231A (en) * | 2019-11-14 | 2021-05-14 | 苏州曼德特光电技术有限公司 | Laser and laser pulse generation method |
| US20210281036A1 (en) * | 2020-03-09 | 2021-09-09 | Cybel, LLC. | Broadband tm-doped optical fiber amplifier |
| CN113381274A (en) * | 2021-04-27 | 2021-09-10 | 东莞理工学院 | Optical binary system control mode-locking fiber laser |
| CN113804649A (en) * | 2021-09-02 | 2021-12-17 | 天津理工大学 | Single-frequency thulium-doped inner cavity mixed gas component identification concentration detection optical fiber sensing system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181809Y (en) * | 2008-02-02 | 2009-01-14 | 天津大学 | Wide tunable self-start-oscillation passive mode-locking erbium-doped optical fiber laser |
| KR20130053956A (en) * | 2011-11-16 | 2013-05-24 | 한국과학기술원 | Pulsed fiber laser |
| CN106410578A (en) * | 2016-11-15 | 2017-02-15 | 长春理工大学 | 2[mu]m waveband all-fiber dual-wavelength wide-tuning mode-locking laser |
-
2018
- 2018-06-22 CN CN201810649337.3A patent/CN108899748A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181809Y (en) * | 2008-02-02 | 2009-01-14 | 天津大学 | Wide tunable self-start-oscillation passive mode-locking erbium-doped optical fiber laser |
| KR20130053956A (en) * | 2011-11-16 | 2013-05-24 | 한국과학기술원 | Pulsed fiber laser |
| CN106410578A (en) * | 2016-11-15 | 2017-02-15 | 长春理工大学 | 2[mu]m waveband all-fiber dual-wavelength wide-tuning mode-locking laser |
Non-Patent Citations (1)
| Title |
|---|
| CHANG SU JUN ET AL.: "Toward higher-order passive harmonic mode-locking of a soliton fiber laser", 《OPTICS LETTERS》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309338A (en) * | 2018-12-13 | 2019-02-05 | 华南理工大学 | The tunable mode-locked optical fiber laser of Gao Zhongying and laser generation method and application |
| CN109802284A (en) * | 2019-01-25 | 2019-05-24 | 长春理工大学 | High-energy thulium-doped fiber laser based on NPR technology |
| CN110112639A (en) * | 2019-04-30 | 2019-08-09 | 南京邮电大学 | All -fiber mode-locked laser based on the micro-nano fiber polarizer |
| CN112803231A (en) * | 2019-11-14 | 2021-05-14 | 苏州曼德特光电技术有限公司 | Laser and laser pulse generation method |
| CN110854664A (en) * | 2019-11-22 | 2020-02-28 | 长春理工大学 | High-speed modulation mode-locking holmium-doped fiber laser based on external clock synchronization |
| US20210281036A1 (en) * | 2020-03-09 | 2021-09-09 | Cybel, LLC. | Broadband tm-doped optical fiber amplifier |
| US11509109B2 (en) * | 2020-03-09 | 2022-11-22 | Cybel, LLC. | Broadband Tm-doped optical fiber amplifier |
| CN113381274A (en) * | 2021-04-27 | 2021-09-10 | 东莞理工学院 | Optical binary system control mode-locking fiber laser |
| CN113381274B (en) * | 2021-04-27 | 2024-04-09 | 东莞理工学院 | Optical binary control mode-locked fiber laser |
| CN113804649A (en) * | 2021-09-02 | 2021-12-17 | 天津理工大学 | Single-frequency thulium-doped inner cavity mixed gas component identification concentration detection optical fiber sensing system |
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