CN108418087A - A kind of C+L wave bands superfluorescent fiber sources - Google Patents
A kind of C+L wave bands superfluorescent fiber sources Download PDFInfo
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- CN108418087A CN108418087A CN201810380375.3A CN201810380375A CN108418087A CN 108418087 A CN108418087 A CN 108418087A CN 201810380375 A CN201810380375 A CN 201810380375A CN 108418087 A CN108418087 A CN 108418087A
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- 239000000835 fiber Substances 0.000 title claims abstract description 129
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
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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
- H01S3/06795—Fibre lasers with superfluorescent emission, e.g. amplified spontaneous emission sources for fibre laser gyrometers
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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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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a kind of C+L wave bands superfluorescent fiber sources, which includes branch's isolator, wide-band coupler, Er-doped fiber group, wavelength division multiplexer and pump laser；The pump light that pump laser is sent out is incident to Er-doped fiber group and excites the generation of Er-doped fiber group preceding to C-band superfluorescence and backward C-band superfluorescence；The C-band superfluorescence of forward direction is reversed after wavelength division multiplexer, the Er-doped fiber in Er-doped fiber group is excited to generate L-band superfluorescence again, wide-band coupler coupling C-band superfluorescence and L-band superfluorescence obtain C+L wave bands superfluorescence and transmitted outward by branch's isolator.The parallel-connection structure of Er-doped fiber group of the present invention is more convenient for making the C+L wave band superfluorescences of output have the characteristics that wide range is wide, high flat by adjusting fiber lengths, simultaneously, superfluorescent fiber sources disclosed in this invention need not move through filter and are filtered, so the superfluorescent fiber sources of the present invention also have the characteristics that low cost.
Description
Technical field
The present invention relates to light sources technical fields, more specifically to a kind of C+L wave bands superfluorescent fiber sources.
Background technology
By existing C+L wave bands (C-band：1525nm -1565nm, L-band：1570nm -1620nm) superfluorescent fiber
The superfluorescence that light source directly exports does not have the wide feature of high flat degree, wide range, to realize that it is high flat that the superfluorescence of output has
It also needs to be filtered superfluorescence using filter the wide feature of degree, wide range, and uses superfluorescence of the filter to output
Cost will be increased by being filtered, thus provide it is a kind of can realize that high flat degree, wide range are wide, while low cost superfluorescent fiber light
Source is urgently to be resolved hurrily.
Invention content
The main purpose of the present invention is to provide a kind of C+L wave bands superfluorescent fiber sources, it is intended to solve existing super
In superfluorescent fiber source, the C+L wave band superfluorescences of output are not made to have high flat degree, wide range wide, while there is low cost
Superfluorescent fiber sources.
To achieve the above object, the present invention provides a kind of C+L wave bands superfluorescent fiber sources, the superfluorescent fiber sources packet
It includes：Branch's isolator, wide-band coupler, Er-doped fiber group, wavelength division multiplexer and pump laser；The Er-doped fiber group is at least
It is made of two Er-doped fibers in parallel；
Branch's isolator is connect with one end of the wide-band coupler, two light splitting ends of the wide-band coupler and the er-doped light
One end connection of fibre group, the other end of the Er-doped fiber group are connect with the wavelength division multiplexer；
The pump light that the pump laser is sent out is incident to the Er-doped fiber group, which excites the Er-doped fiber group to produce
Raw first direction C-band superfluorescence and second direction C-band superfluorescence, the first direction are the Er-doped fiber group to the broadband coupling
The direction of clutch, the second direction are the Er-doped fiber group to the direction of the wavelength division multiplexer；The second direction C-band superfluorescence
It is reversed after the wavelength division multiplexer, excite the Er-doped fiber in the Er-doped fiber group to generate first direction L-band again super glimmering
Light, which couples the first direction C-band superfluorescence and the first direction L-band superfluorescence obtains C+L wave bands and surpasses
Fluorescence, the C+L wave bands superfluorescence are transmitted outward by branch's isolator.
Optionally, pump laser is connect with the first end of branch's isolator；The second end of branch's isolator with should
One end of wide-band coupler connects；The C+L wave bands superfluorescence is transmitted outward by the third end of branch's isolator；The pumping swashs
The pump light that light device is sent out is incident to the Er-doped fiber group through branch's isolator and the wide-band coupler.
Optionally, pump laser is connect with the other end of the wavelength division multiplexer, the pump light which sends out
It is incident to the Er-doped fiber group through the wavelength division multiplexer.
Optionally, pump laser is of coupled connections with light splitting, and the first light splitting end of the light splitting coupler is isolated with the branch
The first end of device connects, and the second light splitting end of the light splitting coupler is connect with the other end of the wavelength division multiplexer；The branch is isolated
The second end of device is connect with one end of the wide-band coupler；The C+L wave bands superfluorescence by the third end of branch's isolator to
Outer transmission；
The pump light that the pump laser is sent out is divided into the first pump light and the second pump light through the light splitting coupler, this
One pump light goes out from the first light splitting end-fire, and the Er-doped fiber group is incident to through branch's isolator and wide-band coupler；This
Two pump lights go out from the second light splitting end-fire, and the Er-doped fiber group is incident to through the wavelength division multiplexer.
Optionally, between branch's isolator, wide-band coupler, Er-doped fiber group, wavelength division multiplexer and pump laser
It is connected by the way of fused fiber splice coupling
Advantageous effect
The present invention provides a kind of C+L wave bands superfluorescent fiber sources, which includes branch's isolator, broadband coupling
Clutch, Er-doped fiber group, wavelength division multiplexer and pump laser；One end of branch's isolator and wide-band coupler connects, wide
The other end with coupler is connect with one end of Er-doped fiber group, and the other end of Er-doped fiber group is connect with wavelength division multiplexer；Pump
The pump light that Pu laser is sent out is incident to Er-doped fiber group, and it is super that pump light excites Er-doped fiber group to generate first direction C-band
Fluorescence and second direction C-band superfluorescence, first direction are Er-doped fiber group to the direction of wide-band coupler, and second direction is to mix
Erbium optical fiber group is to the direction of wavelength division multiplexer；Second direction C-band superfluorescence is reversed after wavelength division multiplexer, and excitation again is mixed
Er-doped fiber in erbium optical fiber group generates first direction L-band superfluorescence, and wide-band coupler couples first direction C-band superfluorescence
And first direction L-band superfluorescence obtains C+L wave band superfluorescences, C+L wave bands superfluorescence is transmitted outward by branch's isolator.
In superfluorescent fiber sources provided by the present invention, Er-doped fiber group is at least made of two Er-doped fibers in parallel, er-doped light
The parallel-connection structure of fibre group be more convenient for by adjust fiber lengths make the C+L wave band superfluorescences of output have it is high it is flat, wide range is wide
Feature, meanwhile, C+L wave bands superfluorescent fiber sources provided by the present invention can inhibit light directly by adjusting fiber lengths
Emission peak of the source at 1530nm and 1560nm and so that the superfluorescence spectrum sent out is had the characteristics that high flat, further due to
The superfluorescence at 1530nm and 1560nm need not be filtered by filter, so the superfluorescent fiber sources of the present invention
Also has the characteristics that low cost, therefore the superfluorescence that C+L wave bands superfluorescent fiber sources provided by the present invention are sent out has
Wide, the inexpensive feature of high flat degree, wide range.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
The structural schematic diagram for the C+L wave band superfluorescent fiber sources that Fig. 1 is provided for the first embodiment of the invention,
The structural schematic diagram for the C+L wave band superfluorescent fiber sources that Fig. 2 is provided for second of embodiment of the invention；
The structural schematic diagram for the C+L wave band superfluorescent fiber sources that Fig. 3 is provided for the third embodiment of the invention；
The structural schematic diagram for the C+L wave band superfluorescent fiber sources that Fig. 4 is provided for the 4th kind of embodiment of the invention.
Specific implementation mode
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
It is only a part of the embodiment of the present invention to apply example, and not all embodiments.Based on the embodiments of the present invention, people in the art
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
A kind of C+L wave bands superfluorescent fiber sources provided by the present invention, can be applied to fiber optic communication, Fibre Optical Sensor,
The fields such as optical imagery and optical device test.Referring to Fig. 1, it illustrates a kind of C+L wave bands provided in an embodiment of the present invention
The first embodiment of superfluorescent fiber sources, it is to be understood that the mode of " N kinds embodiment " will be taken to distinguish not herein
Same embodiment, the number that above-mentioned " N " can not be limited embodiments of the invention.In the first embodiment each component with
And details are as follows for the relationship between component：
The C+L wave band superfluorescent fiber sources that the first of the invention embodiment is provided include：Branch's isolator, broadband coupling
One end of clutch, Er-doped fiber group, wavelength division multiplexer and pump laser, branch's isolator and wide-band coupler connects, wide
The other end with coupler is connect with one end of Er-doped fiber group, and the other end of Er-doped fiber group is connect with wavelength division multiplexer.On
Er-doped fiber group is stated at least to be made of two Er-doped fibers in parallel.
First the transmission direction of pump light is illustrated before the light source for introducing the application generates superfluorescent process：It will
The direction of Er-doped fiber group to wide-band coupler is drafted as first direction, and the direction of Er-doped fiber group to wavelength division multiplexer is drafted
For second direction, the C+L wave band superfluorescent fiber sources that the present embodiment is provided are described below and generate superfluorescent process：Pumping
The pump light that laser is sent out is incident to Er-doped fiber group and excites the C of the Er-doped fiber generation first direction in Er-doped fiber group
The C-band superfluorescence of the C-band superfluorescence of wave band superfluorescence and second direction, first direction will be transmitted to wide-band coupler, the
The C-band superfluorescence in two directions is then transmitted to wavelength division multiplexer, the reverse transfer after wavelength division multiplexer, and excites er-doped light again
The L-band superfluorescence that Er-doped fiber in fine group generates the L-band superfluorescence transmitted to first direction and transmitted to second direction,
It is to be appreciated that second direction transmit L-band superfluorescence will after wavelength division multiplexer reverse transfer, become to first party
To the L-band superfluorescence of transmission.Finally, wide-band coupler obtains the C-band superfluorescence and L-band superfluorescence that coupled transfer is come
To C+L wave band superfluorescences, the C+L wave bands superfluorescence which obtains will outward be transmitted by branch's isolator, be formed by the light
The high flat degree of source output, the C+L wave band superfluorescences of wide bandwidth.It is to be appreciated that the wide-band coupler energy in the present embodiment
Enough pump light light splitting that transmission arrives are two beam pump lights, meanwhile, which can also couple C-band and L-band
The wave-length coverage of superfluorescence, i.e. its light splitting coupling includes pumping wavelength and C+L band wavelengths.
In second of embodiment, pump laser is connect with the first end of branch's isolator, referring to Fig. 2.It needs to understand that
, branch's isolator for allow light to a direction by prevent round about by passive device, effect is pair
The direction of light is limited, make light can only one direction transmission, can be good by optoisolator by the light of optical fiber echo reflection
Isolation improves light wave transmissions efficiency.In the present invention, branch's isolator is to have three ends, the first end of branch's isolator and pumping
Laser connects, and pump laser can will pass through branch's isolator, broadband couple device by the port incident pump light, the pump light
It is incident to Er-doped fiber group after device, excites the Er-doped fiber in Er-doped fiber group；The second end and broadband couple device of branch's isolator
The incident pump light of device connection can be transmitted to wide-band coupler by the second end, meanwhile, the C from first direction transmission
+ L-band superfluorescence can also be transmitted to branch's isolator by the second end；The third end of branch's isolator is the output of light source
End.Light-path in the provided C+L wave bands superfluorescent fiber sources of the present embodiment is provided at this：The pumping that pump laser is sent out
Light is incident to Er-doped fiber group through branch's isolator and wide-band coupler, excites the Er-doped fiber in Er-doped fiber group, generates the
The C-band superfluorescence of the C-band superfluorescence in one direction and the C-band superfluorescence of second direction, first direction will be to broadband couple device
Device transmits, and the C-band superfluorescence of second direction is then transmitted to wavelength division multiplexer, the reverse transfer after wavelength division multiplexer, and again
The L that Er-doped fiber in excitation Er-doped fiber group generates the L-band superfluorescence transmitted to first direction and transmitted to second direction
The C-band superfluorescence that coupled transfer is come and L-band superfluorescence are obtained C+L wave bands by wave band superfluorescence, finally, wide-band coupler
Superfluorescence, the C+L wave bands superfluorescence which obtains will outward be transmitted by the third end of branch's isolator, be formed by the light source
The high flat degree of output, the C+L wave band superfluorescences of wide bandwidth.
In the third embodiment, the other end of pump laser and wavelength division multiplexer connects, referring to Fig. 3, pumping laser
The pump light that device is sent out will be incident to Er-doped fiber group through wavelength division multiplexer, excite the Er-doped fiber in Er-doped fiber group, generate
The C-band superfluorescence of the C-band superfluorescence of first direction and the C-band superfluorescence of second direction, first direction will be to broadband coupling
Clutch is transmitted, and the C-band superfluorescence of second direction is then transmitted to wavelength division multiplexer, the reverse transfer after wavelength division multiplexer, and again
Er-doped fiber in secondary excitation Er-doped fiber group generates the L-band superfluorescence that transmit to first direction and is transmitted to second direction
The C-band superfluorescence that coupled transfer is come and L-band superfluorescence are obtained C+L waves by L-band superfluorescence, finally, wide-band coupler
Section superfluorescence, the C+L wave bands superfluorescence which obtains will outward be transmitted by the third end of branch's isolator, be formed by the light
The high flat degree of source output, the C+L wave band superfluorescences of wide bandwidth.
In the 4th kind of embodiment, pump laser is of coupled connections with light splitting, and the first of light splitting coupler is divided end and divides
The first end of branch isolator connects, and the second light splitting end of light splitting coupler and the other end of wavelength division multiplexer connect, referring to Fig. 4.
It is to be appreciated that the light splitting coupler is different from above-mentioned wide-band coupler, it is divided just for pumping wavelength
Coupler.As the connection relation of branch's isolator port in first embodiment, the one of second end and wide-band coupler
End connection, finally obtained superfluorescence are transmitted outward by its third end.In the third embodiment, what pump laser was sent out
Pump light is divided into the first pump light and the second pump light through light splitting coupler, and the first pump light goes out from the first light splitting end-fire, through dividing
Branch isolator is incident to Er-doped fiber group with wide-band coupler；Second pump light goes out from the second light splitting end-fire, through wavelength division multiplexer
It is incident to Er-doped fiber group.It is to be appreciated that the first pump light, the second pumping light power that light splitting coupler is separated can be with
It is adjusted.Light-path in the provided C+L wave bands superfluorescent fiber sources of the present embodiment is provided at this：Pump laser is sent out
Pump light be divided to form the first pump light and the second pump light through light splitting coupler, the first pump light by branch's isolator and
Wide-band coupler is incident to Er-doped fiber group, excites the Er-doped fiber in Er-doped fiber group, the C-band for generating first direction super glimmering
The C-band superfluorescence of the C-band superfluorescence of light and second direction, first direction will be transmitted to wide-band coupler, the C of second direction
Wave band superfluorescence is then transmitted to wavelength division multiplexer, the reverse transfer after wavelength division multiplexer, and is excited in Er-doped fiber group again
The L-band superfluorescence that Er-doped fiber generates the L-band superfluorescence transmitted to first direction and transmitted to second direction；Second pumping
Light is incident to Er-doped fiber group through wavelength division multiplexer, excites the Er-doped fiber in Er-doped fiber group, generates the C-band of first direction
The C-band superfluorescence of the C-band superfluorescence of superfluorescence and second direction, first direction will be transmitted to wide-band coupler, second party
To C-band superfluorescence then to wavelength division multiplexer transmit, the reverse transfer after wavelength division multiplexer, and again excite Er-doped fiber group
In Er-doped fiber generate the L-band superfluorescence transmitted to first direction and the L-band superfluorescence that is transmitted to second direction.Most
Afterwards, the C-band superfluorescence and L-band superfluorescence that coupled transfer is come are obtained C+L wave band superfluorescences, the coupling by wide-band coupler
Obtained C+L wave bands superfluorescence will outward be transmitted by the third end of branch's isolator, be formed flat by the height of the light source output
The C+L wave band superfluorescences of degree, wide bandwidth.
In the other example of above-described embodiment, branch's isolator, wide-band coupler, Er-doped fiber group, wavelength-division are multiple
With between device and pump laser using fused fiber splice coupling by the way of connect.
It is to be understood that the pump power by optimizing pump laser in superfluorescent fiber sources provided by the invention
And the length of two Er-doped fibers in parallel, can make superfluorescent fiber sources output high flat degree, wide bandwidth it is super glimmering
Light, while directly being adjusted by internal gain there is no any filter is used in the present invention and can inhibit Er-doped fiber
Emission peak at 1530nm and 1560nm and keep spectrum height flat, meanwhile, the present invention is simultaneously eliminated in traditional structure and must be used
Speculum, keep its structure simpler, be conducive to reduce dimension of light source, reduce cost.
It should be noted that for each method embodiment above-mentioned, describe, therefore it is all expressed as a series of for simplicity
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the described action sequence because
According to the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and module might not all be this hairs
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, the associated description of other embodiments is may refer to, meanwhile, the embodiments of the present invention are for illustration only, do not represent
The quality of embodiment, those skilled in the art under the inspiration of the present invention, are not departing from present inventive concept and right is wanted
It asks under protected ambit, can also make many forms, all of these belong to the protection of the present invention.
Claims (5)
1. a kind of C+L wave bands superfluorescent fiber sources, which is characterized in that the superfluorescent fiber sources include：Branch's isolator,
Wide-band coupler, Er-doped fiber group, wavelength division multiplexer and pump laser；The Er-doped fiber group is at least in parallel by two
Er-doped fiber is constituted；
Branch's isolator is connect with one end of the wide-band coupler, the other end of the wide-band coupler and the er-doped
One end of optical fiber group connects, and the other end of the Er-doped fiber group is connect with the wavelength division multiplexer；
The pump light that the pump laser is sent out is incident to the Er-doped fiber group, and the pump light excites the Er-doped fiber
Group generates first direction C-band superfluorescence and second direction C-band superfluorescence, the first direction be the Er-doped fiber group extremely
The direction of the wide-band coupler, the second direction are the Er-doped fiber group to the direction of the wavelength division multiplexer；It is described
Second direction C-band superfluorescence is reversed after the wavelength division multiplexer, excites the er-doped light in the Er-doped fiber group again
Fibre generates first direction L-band superfluorescence, and the wide-band coupler couples the first direction C-band superfluorescence and described first
Direction L-band superfluorescence obtains C+L wave band superfluorescences, and the C+L wave bands superfluorescence is transmitted outward by branch's isolator.
2. C+L wave bands superfluorescent fiber sources as described in claim 1, the pump laser and branch's isolator
First end connects；The second end of branch's isolator is connect with one end of the wide-band coupler；The C+L wave bands superfluorescence
It is transmitted outward by the third end of branch's isolator；The pump light that the pump laser is sent out is through branch's isolator
It is incident to the Er-doped fiber group with the wide-band coupler.
3. C+L wave bands superfluorescent fiber sources as described in claim 1, the pump laser and the wavelength division multiplexer
The other end connects, and the pump light that the pump laser is sent out is incident to the Er-doped fiber group through the wavelength division multiplexer.
4. C+L wave bands superfluorescent fiber sources as described in claim 1, the pump laser are connect with light splitting coupler,
First light splitting end of the light splitting coupler is connect with the first end of branch's isolator, second point of the light splitting coupler
Light end is connect with the other end of the wavelength division multiplexer；One end of the second end and the wide-band coupler of branch's isolator
Connection；The C+L wave bands superfluorescence is transmitted outward by the third end of branch's isolator；
The pump light that the pump laser is sent out is divided into the first pump light and the second pump light through the light splitting coupler, described
First pump light goes out from the first light splitting end-fire, and the er-doped is incident to through branch's isolator and the wide-band coupler
Optical fiber group；Second pump light goes out from the second light splitting end-fire, and the Er-doped fiber is incident to through the wavelength division multiplexer
Group.
5. C+L wave bands superfluorescent fiber sources according to any one of claims 1-4, which is characterized in that branch's isolation
Between device, wide-band coupler, Er-doped fiber group, wavelength division multiplexer and pump laser by the way of fused fiber splice coupling
Connection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810380375.3A CN108418087A (en) | 2018-04-25 | 2018-04-25 | A kind of C+L wave bands superfluorescent fiber sources |
| PCT/CN2019/081513 WO2019205915A1 (en) | 2018-04-25 | 2019-04-04 | C+l waveband superfluorescence optical fiber light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810380375.3A CN108418087A (en) | 2018-04-25 | 2018-04-25 | A kind of C+L wave bands superfluorescent fiber sources |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923260A (en) * | 2018-08-23 | 2018-11-30 | 武汉英飞华科技有限公司 | A kind of super-radiance light emitting diode wideband light source |
| WO2019205915A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳技术大学 | C+l waveband superfluorescence optical fiber light source |
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| CN108418087A (en) * | 2018-04-25 | 2018-08-17 | 深圳技术大学（筹） | A kind of C+L wave bands superfluorescent fiber sources |
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| WO2019205915A1 (en) * | 2018-04-25 | 2019-10-31 | 深圳技术大学 | C+l waveband superfluorescence optical fiber light source |
| CN108923260A (en) * | 2018-08-23 | 2018-11-30 | 武汉英飞华科技有限公司 | A kind of super-radiance light emitting diode wideband light source |
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