CN103269011B - High-energy pulse type full-fiber ASE source - Google Patents
High-energy pulse type full-fiber ASE source Download PDFInfo
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- CN103269011B CN103269011B CN201310203373.4A CN201310203373A CN103269011B CN 103269011 B CN103269011 B CN 103269011B CN 201310203373 A CN201310203373 A CN 201310203373A CN 103269011 B CN103269011 B CN 103269011B
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Abstract
The invention discloses a kind of high-energy pulse type full-fiber ASE sources, it is characterized in that including an impulse type ASE seed source 1 and a power amplifier 2, seed source includes pumping semiconductor laser electric pulse driving 3, pump semiconductor laser 4, coupler I 5, gain fibre 6, coupler II 7, isolator I 8, output optical fibre I 9, isolator II 10 and output optical fibre II 11, power amplifier is a fiber amplifier or several Cascaded Optical Amplifier Transmission Systems, effect is gradually to amplify the pulse energy of seed source pulse ASE, bundling device output end is connect with gain fibre 13, the gain fibre other end is connect with isolator 14.If multi-stage fiber amplifier, 14 output end of isolator is connect with the bundling device signal end of next stage fiber amplifier, whole system output end is a quartz glass end cap 21, the advantage of the invention is that, realize a kind of method of easy high-energy pulse type full-fiber ASE source, simple in structure, compact dimensions, performance is stablized.
Description
Technical field
The present invention relates to a kind of ASE source, especially a kind of high-energy pulse type full-fiber ASE source belongs to optical fiber and laser
Technical field.
Background technology
ASE light sources are a kind of wideband light sources, can be widely applied to distributed sensing（distributed sensor）, optical fiber
Gyro（gyroscope）, optical coherent chromatographic imaging（OCT）, the fields such as optic communication.Compared to LED, semiconductor super-fluorescence light source
（semiconductor superfluorescent diodes）Equal wideband light sources, the ASE wideband light sources based on optical fiber have very much
Inherent advantage, such as power are high, and wavelength is more stable, and beam quality is more excellent.
However, the ASE source based on optical fiber reported at present is all continuous type, there are no about impulse type optical fiber ASE source
Report.Compared with continuous type ASE source, impulse type ASE light sources can provide higher peak power, obtain a kind of easy, property
The high-energy pulse type full-fiber ASE source that can stablize has important practical significance.
Invention content
The object of the present invention is to provide the high energy pulse type all -fibers that a kind of simple in structure, compact dimensions, performance are stablized
ASE source.
The present invention is to be realized by the following technical programs.
A kind of high-energy pulse type full-fiber ASE source, including 2 two parts of impulse type ASE seed sources 1 and power amplifier.
Impulse type ASE seed sources of the present invention, including pumping semiconductor laser electric pulse driving 3, for driving
The output pumping laser pulse of semiconductor laser 4 is pumped, seed source is connected to coupling with the output tail optical fiber of pumping semiconductor laser 4
The signal port of the pumping input port of clutch I 5, coupler I is connected to isolator II10, and the connection of the isolator II other ends is defeated
Go out the reversed ASE of 11 pilot pulse types of optical fiber II to export, the first gain fibre 6 of output optical fibre port connection of coupler I, first
The other end of gain fibre and the signal end of coupler II7 weld together, and the remaining pumping of pumping end guiding of coupler II is defeated
Go out, the output end of coupler II is then connect with isolator I8, and isolator I connect pilot pulse type forward direction ASE with output optical fibre I 9
Output, output optical fibre I are connected with PA signal input terminal.
The first gain fibre 6 that the impulse type ASE seed sources use is rear-earth-doped optical fiber, the rare earth member of doping
Element can be bait（Er）Or ytterbium（Yb）Or thulium（Tm）Or holmium（Ho）Or other rare earth elements.
The first gain fibre 6 that the impulse type ASE seed sources use can be single covering, can also be double clad
's.
The pumping semiconductor laser 4 that the impulse type ASE seed sources use is the semiconductor laser with tail optical fiber,
Pumping laser pulse is sent out under 3 driving of pumping semiconductor laser electric pulse driving, pumping is carried out to the first gain fibre 6.Pump
Pu semiconductor laser 4 can be single-mode laser, and pumping is carried out to single cladding gain optical fiber.Pump semiconductor laser 4 also
It can be high power multimode laser, pumping is carried out to double clad gain fibre.
The power amplifier is made of a fiber amplifier or several Cascaded Optical Amplifier Transmission Systems, wherein each optical fiber
Amplifier includes：One optical-fiber bundling device 12, optical-fiber bundling device signal end inoculation component 1 or previous stage fiber amplifier it is defeated
The pumping of outlet, optical-fiber bundling device terminates pumping laser 15,16, the output end of optical-fiber bundling device and 13 phase of the second gain fibre
Even, per a fibre optic isolater 14 is welded between level-one fiber amplifier, the output of afterbody fiber amplifier terminates quartzy glass
Glass end cap 21.
The power amplifier that the power amplifier 2 uses is magnetic tape trailer with semiconductor pump laser 15,16,17,18
Fine semiconductor laser, can be impulse type, can also be continuous type.
Forward pumping mode may be used to the pumping of gain fibre in the power amplifier 2（See Fig. 3）, can be with
Using backward pumping mode（See Fig. 4）Or Direct/Reverse pump mode is used in combination（See Fig. 5）.
The second gain fibre 13,20 that the power amplifier 2 uses be use rear-earth-doped optical fiber, doping it is dilute
Earth elements are identical as the rare earth element for the first gain fibre 6 doping that seed source uses.
The high-energy pulse type full-fiber ASE source, output end is molten quartz glass end cap, in 8 degree with tilt angle
And it is coated with signal light antireflection film in end face, to inhibit self-oscillation.
It is an advantage of the current invention that a kind of method of easy impulse type all -fiber ASE source is realized, laser structure letter
Single, compact dimensions, performance is stablized.
Description of the drawings
Fig. 1 is the structure chart of high-energy pulse type full-fiber ASE source of the present invention.
Fig. 2 is the structure chart of impulse type ASE seed sources of the present invention.
Fig. 3 is a kind of structural schematic diagram of fiber amplifier in power amplifier of the present invention.
Fig. 4 is another structural schematic diagram of fiber amplifier in power amplifier of the present invention.
Fig. 5 is the yet another construction schematic diagram of fiber amplifier in power amplifier of the present invention.
It is marked in figure：Impulse type ASE seed sources 1, power amplifier 2, pumping semiconductor laser electric pulse driving 3, kind
Component pumping semiconductor laser 4, coupler I 5, the first gain fibre 6, coupler II 7, isolator I 8, output optical fibre
I 9, isolator II 10, output optical fibre II 11, bundling device 12,19, the second gain fibre 13,20, isolator 14, power amplification
Device semiconductor pump laser 15,16,17,18, quartz glass end cap 21.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
A kind of high-energy pulse type full-fiber ASE source, including 2 two parts of impulse type ASE seed sources 1 and power amplifier.
Impulse type ASE seed sources of the present invention, including pumping semiconductor laser electric pulse driving 3, for driving
The output pumping laser pulse of semiconductor laser 4 is pumped, the output tail optical fiber of pumping semiconductor laser 4 is connected to coupler I 5
Pumping input port, the signal port of coupler I is connected to isolator II 10, and the isolator II other ends connect output optical fibre
The reversed ASE outputs of 11 pilot pulse types of II.The output optical fibre port of coupler I connects the first gain fibre 6, the first gain light
The signal end of the fine other end and coupler II7 welds together, the remaining pumping output of pumping end guiding of coupler II, coupling
The output end of device II is then connect with isolator I8, and isolator I connect the ASE outputs of pilot pulse type forward direction with output optical fibre I 9, defeated
Go out optical fiber I with PA signal input terminal to be connected.
The first gain fibre 6 that the impulse type ASE seed sources use is rear-earth-doped optical fiber, the rare earth member of doping
Element can be bait（Er）Or ytterbium（Yb）Or thulium（Tm）Or holmium（Ho）Or other rare earth elements.
The first gain fibre 6 that the impulse type ASE seed sources use can be single covering, can also be double clad
's.
The pumping semiconductor laser 4 that the impulse type ASE seed sources use is the semiconductor laser with tail optical fiber,
Pumping laser pulse is sent out under 3 driving of pumping semiconductor laser electric pulse driving, pumping is carried out to the first gain fibre 6.Kind
It can be single-mode laser that component, which pumps semiconductor laser 4, and pumping is carried out to single cladding gain optical fiber.Semiconductor is pumped to swash
Light device 4 can also be high power multimode laser, and pumping is carried out to double clad gain fibre.
The power amplifier is made of a fiber amplifier or several Cascaded Optical Amplifier Transmission Systems.Wherein each optical fiber
Amplifier includes：One optical-fiber bundling device 12, optical-fiber bundling device signal end inoculation component 1 or previous stage fiber amplifier it is defeated
The pumping of outlet, optical-fiber bundling device terminates pumping laser 15,16, and the output end of optical-fiber bundling device is connected with gain fibre 13.Often
A fibre optic isolater 14 is welded between level-one fiber amplifier.Afterbody fiber amplifier output termination quartz glass end cap
21。
The power amplifier that the power amplifier 2 uses is magnetic tape trailer with semiconductor pump laser 15,16,17,18
Fine semiconductor laser, can be impulse type, can also be continuous type.
Forward pumping mode may be used to the pumping of gain fibre in the power amplifier 2（See Fig. 3）, can be with
Using backward pumping mode（See Fig. 4）Or Direct/Reverse pump mode is used in combination（See Fig. 5）.
The gain fibre 13,20 that the power amplifier 2 uses is to use rear-earth-doped optical fiber, the rare earth member of doping
Element is identical as the rare earth element that the gain fibre 6 that seed source uses adulterates.
The high-energy pulse type full-fiber ASE source, output end is molten quartz glass end cap, in 8 degree with tilt angle
And it is coated with signal light antireflection film in end face, to inhibit self-oscillation.
Claims (8)
1. a kind of high-energy pulse type full-fiber ASE source, it is characterised in that it includes impulse type ASE seed sources（1）It is put with power
Big device（2）Two parts form；Wherein：
The impulse type all -fiber ASE source, seed source are a kind of impulse type ASE seed sources, including pumping semiconductor laser electricity
Pulsed drive（3）, for driving seed source to pump semiconductor laser（4）Output pumping laser pulse, seed source pumping half
Conductor laser（4）Output tail optical fiber be connected to coupler I（5）Pumping input port, coupler I signal port connection
In isolator II（10）, isolator II other ends connection output optical fibre II（11）The reversed ASE outputs of pilot pulse type, coupler
The output optical fibre port of I connects the first gain fibre（6）, the other end and the coupler II of the first gain fibre（7）Signal end
Weld together, the remaining pumping output of the pumping end of coupler II guiding, the output end of coupler II then with isolator I（8）Even
It connects, isolator I and output optical fibre I（9）Connect the ASE outputs of pilot pulse type forward direction, output optical fibre I and PA signal
Input terminal is connected；
Seed source used in the impulse type ASE seed sources pumps semiconductor laser（4）It is the semiconductor laser with tail optical fiber
Device, in pumping semiconductor laser electric pulse driving（3）Pumping laser pulse is sent out under driving, to the first gain fibre（6）Into
Row pumping,
The power amplifier（2）It is made of a fiber amplifier or several Cascaded Optical Amplifier Transmission Systems, wherein each optical fiber is put
Big device includes：One optical-fiber bundling device（12）, the signal end inoculation component of optical-fiber bundling device（1）Or previous stage fiber amplifier
The pumping of output end, optical-fiber bundling device terminates pumping laser（15）（16）, the output end of optical-fiber bundling device and the second gain fibre
（13）It is connected；Per one fibre optic isolater of welding between level-one fiber amplifier（14）, afterbody fiber amplifier output end
Connect quartz glass end cap（21）；
Gain fibre in impulse type ASE seed sources or power amplifier is rear-earth-doped optical fiber.
2. high-energy pulse type full-fiber ASE source as described in claim 1, it is characterised in that impulse type ASE seed sources are made
First gain fibre（6）It is single covering or double clad.
3. high-energy pulse type full-fiber ASE source as described in claim 2, it is characterised in that seed source pumps semiconductor laser
Device（4）It is single-mode laser, pumping is carried out to single cladding gain optical fiber.
4. high-energy pulse type full-fiber ASE source as described in claim 2, it is characterised in that seed source pumps semiconductor laser
Device（4）It is high power multimode laser, pumping is carried out to double clad gain fibre.
5. high-energy pulse type full-fiber ASE source as described in claim 1, it is characterised in that the power that power amplifier uses
Amplifier semiconductor pump laser（15）,（16）,（17）,（18）It is the semiconductor laser with tail optical fiber, pumping laser is
Impulse type or continuous type the semiconductor laser with tail optical fiber.
6. high-energy pulse type full-fiber ASE source as described in claim 1, it is characterised in that the second gain in power amplifier
The pumping of optical fiber is used in combination using forward pumping mode or backward pumping mode or Direct/Reverse pump mode.
7. high-energy pulse type full-fiber ASE source as described in claim 1, it is characterised in that the first gain fibre or the second increasing
The rare earth element adulterated in beneficial optical fiber can be bait（Er）Or ytterbium（Yb）Or thulium（Tm）Or holmium（Ho）Or other rare earth elements.
8. high-energy pulse type full-fiber ASE source as described in claim 1, which is characterized in that output end is molten quartz glass
End cap with tilt angle and is coated with signal light antireflection film in 8 degree in end face.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310203373.4A CN103269011B (en) | 2013-05-28 | 2013-05-28 | High-energy pulse type full-fiber ASE source |
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|---|---|---|---|
| CN201310203373.4A CN103269011B (en) | 2013-05-28 | 2013-05-28 | High-energy pulse type full-fiber ASE source |
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| CN103269011A CN103269011A (en) | 2013-08-28 |
| CN103269011B true CN103269011B (en) | 2018-07-27 |
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| CN108183386B (en) * | 2018-01-16 | 2019-07-09 | 浙江大学 | A kind of Er-Doped superfluorescent fiber source device based on chirped fiber Bragg grating filtering |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591065A (en) * | 2003-09-02 | 2005-03-09 | 三星电子株式会社 | Broadband light source with dual-port structure |
| CN102684045A (en) * | 2012-02-02 | 2012-09-19 | 华南理工大学 | High-power broadband ASE (Amplified Spontaneous Emission) light source in 1064 nm waveband |
| CN102882553A (en) * | 2012-09-10 | 2013-01-16 | 西南交通大学 | Method for regulating and generating various phase pulses in photonic microwave signal generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1658663A4 (en) * | 1997-03-21 | 2009-11-11 | Imra America Inc | High energy optical fiber amplifier for picosecond-nanosecond pulses for advanced material processing applications |
| TWI410011B (en) * | 2009-12-30 | 2013-09-21 | Ind Tech Res Inst | Ring or linear cavity based of all fiber ultrashort pulse laser system and method of operating the same |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591065A (en) * | 2003-09-02 | 2005-03-09 | 三星电子株式会社 | Broadband light source with dual-port structure |
| CN102684045A (en) * | 2012-02-02 | 2012-09-19 | 华南理工大学 | High-power broadband ASE (Amplified Spontaneous Emission) light source in 1064 nm waveband |
| CN102882553A (en) * | 2012-09-10 | 2013-01-16 | 西南交通大学 | Method for regulating and generating various phase pulses in photonic microwave signal generator |
Non-Patent Citations (1)
| Title |
|---|
| 小信号脉冲抽运时掺铒光纤自发辐射的研究;王甫 等;《光学学报》;20120710;第32卷(第7期);0706002-5页，附图9、10、12 * |
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