WO2014193197A1 - 광섬유를 이용한 광 증폭기 - Google Patents
광섬유를 이용한 광 증폭기 Download PDFInfo
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- WO2014193197A1 WO2014193197A1 PCT/KR2014/004868 KR2014004868W WO2014193197A1 WO 2014193197 A1 WO2014193197 A1 WO 2014193197A1 KR 2014004868 W KR2014004868 W KR 2014004868W WO 2014193197 A1 WO2014193197 A1 WO 2014193197A1
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- optical fiber
- optical
- light source
- wavelength band
- erbium
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
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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
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06762—Fibre amplifiers having a specific amplification band
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
- H01S3/06783—Amplifying coupler
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
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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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
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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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
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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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
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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
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0064—Anti-reflection devices, e.g. optical isolaters
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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
- H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
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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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094084—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light with pump light recycling, i.e. with reinjection of the unused pump light, e.g. by reflectors or circulators
Definitions
- the present invention relates to an optical amplifier using an optical fiber. More specifically, the present invention relates to an optical amplifier using an optical fiber to which a plurality of rare earth elements are added at the same time.
- thulium-doped optical fiber is an active field of research due to the excellent optical characteristics of the conventional fiber laser and the ability to generate optical signals in the 2 um band.
- a multi-stage fiber amplifier using a thulium-doped fiber is required to obtain an optical signal of a desired size.
- the amplification medium and the pump light source are required to implement such a thulium-doped fiber amplifier.
- a pump light source in the 800 nm band or a pump light source in the 1560 nm band is used.
- 1 is a diagram illustrating a structure for amplifying a low power optical signal of a conventional 2 um band.
- an optical fiber amplifier is implemented using a single mode thulium-doped fiber and an erbium-doped fiber for an input optical signal having a 2 um band.
- the high power amplifier it is possible to realize the structure of the optical fiber clad pumping method using the multimode high power laser diode of the 800 nm band.
- a low power amplifier that amplifies a small signal must be implemented using an optical fiber core pumping method, but cannot be implemented due to the absence of a high power single mode laser diode in the 800 nm band and an associated optical coupling device.
- a low power core pumping optical amplifier is implemented by using an erbium laser having a erbium-doped fiber and a single mode thulium-doped fiber.
- an object of the present invention is to provide an optical amplifier using an optical fiber that can amplify an optical signal with a simple structure by using an optical fiber to which a plurality of rare earth elements are added at the same time.
- the present invention for achieving the above object, a single mode optical fiber to which a plurality of rare earth elements are added at the same time; First and second optical fiber gratings provided at both ends of the optical fiber and totally reflecting light of a predetermined wavelength band; A pumping light source for generating pumping light for exciting rare earth ions in the optical fiber; And an optical coupler connected to the optical fiber and including an optical coupler for transmitting an optical signal generated from a light source and the pumped light output from the pumping light source to the optical fiber.
- the optical fiber may be doped with erbium and thulium at the same time.
- the optical signal generated from the light source is a wavelength band of 1800 ⁇ 2100 nm, the doping ratio of the erbium and thulium may be 1: 2 ⁇ 1:10.
- the doping concentration of the erbium is 1000 ppm, the doping concentration of the thulium may be 2000 ⁇ 10000 ppm.
- the optical signal generated from the light source is a wavelength band of 1800 to 2100 nm, and the first optical fiber grating and the second optical fiber grating may totally reflect light having a specific wavelength in the wavelength range of 1550 to 1610 nm.
- the optical signal generated from the light source is a wavelength band of 1800 to 2100 nm, and the pumping light source may generate pumped light having a wavelength band of 970 to 990 nm or 1470 to 1490 nm.
- an effective optical signal can be amplified by a simple configuration using an optical fiber to which a plurality of rare earth elements are added.
- 1 is a view showing a structure for amplifying a low power optical signal of the existing 2um wavelength band.
- FIG. 2 is a view illustrating an optical amplifier implemented by using an optical fiber added with thulium and erbium proposed in the present invention.
- FIG. 3 is a diagram illustrating a principle of amplifying an optical signal having a wavelength of 2 um using an optical fiber to which thulium and erbium are added at the same time.
- FIG. 4 is a graph showing the fluorescence characteristics of the erbium-tulium co-added optical fiber when the concentration of erbium ions is high.
- 5 is a graph showing the fluorescence characteristics of erbium-tulium co-added optical fiber when the concentration of thulium ions is high.
- FIG. 2 is a view illustrating an optical amplifier implemented by using an optical fiber added with thulium and erbium proposed in the present invention.
- the optical amplifier 20 receives and amplifies and outputs an optical signal output from the light source 10.
- the first amplifier 12 is provided at the input terminal of the optical amplifier 20 and the optical amplifier 20
- the second end 14 is provided at the output end of the) to limit the traveling direction of the light from the light source 10 toward the optical amplifier 20.
- an optical amplifier 20 includes a single mode optical fiber 22 to which thulium and erbium are simultaneously added, and a first optical fiber grating provided at both ends of the optical fiber 22. 24 and the second optical fiber grating 30, a pumping light source 26 for generating pumping light for amplifying the light, and an optical coupler 28 for delivering the pumping light output from the pumping light source to the optical fiber 22. ).
- the optical fiber 22 a plurality of rare earth elements are added at the same time.
- the type of rare earth element may vary depending on the wavelength band of the optical signal to be amplified.
- the optical fiber 22 doped with thulium and erbium was used to effectively amplify the optical signal in the 2 um wavelength band.
- the first optical fiber grating 24 and the second optical fiber grating 30 are provided as optical fiber Bragg's gratings and are provided at both ends of the optical fiber 22 to totally reflect light having a predetermined wavelength band.
- the first optical fiber grating 24 and the second optical fiber grating 30 totally reflect light in the 1560 nm wavelength band and resonate with the optical fiber 22 interposed therebetween.
- the pumping light source 26 generates pumping light that excites rare earth ions in the optical fiber 22.
- the pumping light source 26 generates the pumping light of the 980 nm wavelength band and transmits it to the optical fiber 22 by the optical coupler 28 to activate the energy of the erbium ions in the optical fiber 22.
- the optical coupler 28 is connected to the optical fiber 22 and combines the optical signal generated from the light source 10 and the pumped light output from the pumping light source 26 and transmits the optical signal to the optical fiber 22.
- an optical signal of a 2 um wavelength band input from the light source 10 is incident on the single mode optical fiber 22 to which thulium and erbium are simultaneously added.
- the traveling direction of the optical signal is limited from the light source 10 to the optical amplifier 20 by the first and second adsorbers 12 and 14.
- the optical coupler 28 transmits the optical signal of the 2 um wavelength band input from the light source 10 and the pumped light of the 980 nm wavelength band generated from the pumping light source 26 to the optical fiber 22.
- FIG. 3 is a diagram illustrating a principle of amplifying an optical signal having a wavelength of 2 um using an optical fiber to which thulium and erbium are added at the same time.
- the pumping light in the 980 nm wavelength band transmitted in the optical fiber 22 activates the energy of erbium ions in the optical fiber 22, and light in the excited erbium ion generates light in the 1560 nm wavelength band. .
- Light in the 1560 nm wavelength band generated from the erbium ions is totally reflected by the first optical fiber grating 24 and the second optical fiber grating 30 provided at both ends of the optical fiber 22, and 1560 with the optical fiber 22 interposed therebetween. Light in the nm wavelength band is resonated.
- Light having a wavelength of 1560 nm resonating across the optical fiber 22 excites thulium ions in the optical fiber 22, and light of 2 um wavelength band is generated from the activated thulium ions, thereby generating 2 um input from the light source 10.
- the optical signal of the band is amplified.
- This structure is much simpler and more effective than the conventional method, and can amplify the optical signal of 2um band.
- optical devices in the 1560nm band which has been commercially available, economical laser development is possible.
- the optical fiber 22 amplifies an optical signal of 2 um band by adding erbium and thulium at the same time, and the wavelength band of the optical signal to be amplified may vary according to the addition ratio of erbium and thulium. This will be described in more detail below.
- FIG. 4 is a graph showing the fluorescence characteristics of the erbium-thulium co-added optical fiber when the concentration of erbium ions is high, and FIG.
- FIG. 4 shows a 1: 1 doping ratio (500 ppm: 500 ppm) of erbium: thulium in the optical fiber 22
- FIG. 5 shows a 1: 5 (1000 ppm: 5000 doping ratio of erbium: thulium in the optical fiber 22).
- ppm is a graph showing the fluorescence characteristics of the optical fiber 22.
- the doping ratio of erbium and thulium can be relatively determined according to the wavelength of the optical signal generated from the light source 10.
- the doping ratio of erbium: thulium is 1: 5 according to the above experimental results.
- the doping concentration is preferably 1000 ppm of erbium and 5000 ppm of thulium.
- the scope of the present invention does not need to be limited thereto, and the doping ratio of erbium and thulium is effective to amplify an optical signal in a 2 um wavelength band even in the range of 1: 2 to 1:10.
- the optical amplifier 20 using the optical fiber of the present invention is an optical signal of 1800 ⁇ 2100 nm wavelength band Can be used to amplify.
- the pumping light source 26 generates the pumping light of the wavelength range of 980 nm (970-990 nm) to activate the energy of the erbium ions in the optical fiber 22, but the scope of the present invention is There is no need to be limited thereto, and the pumping light source 26 may generate pumping light having a wavelength band of 1480 nm (1470-1490 nm) to activate energy of erbium ions in the optical fiber 22. At this time, the pumping light of the 1480 nm wavelength band transmitted in the optical fiber 22 activates the energy of erbium ions in the optical fiber 22, and light of 1610 nm wavelength band is generated from the excited erbium ions.
- the first optical fiber grating 24 and the second optical fiber grating 30 totally reflect the light of the 1610 nm wavelength band generated from the erbium ions so that the light of the 1610 nm wavelength band is resonated with the optical fiber 22 interposed therebetween.
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Abstract
Description
Claims (6)
- 복수의 희토류 원소가 동시에 첨가된 단일모드 광섬유;상기 광섬유의 양단에 구비되며 일정 파장 대역의 광을 전반사하는 제1 광섬유 격자 및 제2 광섬유 격자;상기 광섬유 내의 희토류 이온을 여기(excitation)시키는 펌핑광을 생성하는 펌핑 광원; 및상기 광섬유와 연결되며 광원으로부터 생성된 광신호와 상기 펌핑 광원에서 출력된 상기 펌핑광을 상기 광섬유로 전달하는 광결합기를 포함하는 광섬유를 이용한 광 증폭기.
- 제1항에 있어서,상기 광섬유는 어븀(erbium) 및 툴륨(thulium)이 동시에 도핑(doping)된 것을 특징으로 하는 광섬유를 이용한 광 증폭기.
- 제2항에 있어서,상기 광원으로부터 생성된 광신호는 1800 ~ 2100 nm 파장 대역이며,상기 어븀과 툴륨의 도핑 비율은 1:2 ~ 1:10인 것을 특징으로 하는 광섬유를 이용한 광 증폭기.
- 제3항에 있어서,상기 어븀의 도핑 농도는 1000 ppm이고, 상기 툴륨의 도핑 농도는 2000 ~ 10000 ppm인 것을 특징으로 하는 광섬유를 이용한 광 증폭기.
- 제2항에 있어서,상기 광원으로부터 생성된 광신호는 1800 ~ 2100 nm 파장 대역이며,상기 제1 광섬유 격자 및 상기 제2 광섬유 격자는 1550 ~ 1610 nm 파장 대역에서 특정 파장의 광을 전반사하는 것을 특징으로 하는 광섬유를 이용한 광 증폭기.
- 제2항에 있어서,상기 광원으로부터 생성된 광신호는 1800 ~ 2100 nm 파장 대역이며,상기 펌핑 광원은 970 ~ 990 nm 또는 1470 ~ 1490 nm 파장 대역의 펌핑광을 생성하는 것을 특징으로 하는 광섬유를 이용한 광 증폭기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/892,573 US9806492B2 (en) | 2013-05-31 | 2014-05-30 | Optical amplifier using optical fiber |
JP2016516458A JP6261726B2 (ja) | 2013-05-31 | 2014-05-30 | 光学繊維を用いた光増幅器 |
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KR20130062753 | 2013-05-31 | ||
KR10-2013-0062753 | 2013-05-31 | ||
KR10-2013-0106034 | 2013-09-04 | ||
KR1020130106034A KR101386108B1 (ko) | 2013-05-31 | 2013-09-04 | 광섬유를 이용한 광 증폭기 |
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US (1) | US9806492B2 (ko) |
JP (1) | JP6261726B2 (ko) |
KR (1) | KR101386108B1 (ko) |
WO (1) | WO2014193197A1 (ko) |
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WO2018195510A1 (en) * | 2017-04-21 | 2018-10-25 | Nuburu, Inc. | Multi-clad optical fiber |
EP3839552A1 (en) * | 2019-12-19 | 2021-06-23 | Safran Vectronix AG | Device for measuring distances |
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KR20000027961A (ko) * | 1998-10-30 | 2000-05-15 | 이병규 | 어븀이온 및 툴륨이온이 공동 첨가된 코어를 이용한 광소자 |
KR20030050801A (ko) * | 2001-12-19 | 2003-06-25 | 한국전자통신연구원 | 희토류 첨가 광섬유 및 이를 이용한 광증폭기 |
JP2005520326A (ja) * | 2002-03-08 | 2005-07-07 | ライトウェーブ エレクトロニクス | 増幅された自然放出光(ase)の分散式抑制を行う、sバンド・エルビウム添加ファイバおよびlバンド・ツリウム添加ファイバを利用した増幅器および光源 |
KR20110065305A (ko) * | 2009-12-08 | 2011-06-15 | 한국전자통신연구원 | 이중 클래드 광섬유 레이저 소자 |
US20130101261A1 (en) * | 2010-07-09 | 2013-04-25 | Ixfiber | Radiation-resistant rare-earth-doped optical fiber and method of radiation-hardening a rare-earth-doped optical fiber |
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JP2694298B2 (ja) * | 1989-09-25 | 1997-12-24 | 日本電信電話株式会社 | 光増幅方法 |
JPH04283731A (ja) * | 1991-03-13 | 1992-10-08 | Mitsubishi Cable Ind Ltd | 光ファイバ通信システム |
JP2937285B2 (ja) * | 1992-09-24 | 1999-08-23 | 日本電信電話株式会社 | 光増幅器 |
JPH1187824A (ja) * | 1997-09-08 | 1999-03-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | 光増幅器 |
JPH1187811A (ja) * | 1997-09-08 | 1999-03-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | レーザ装置 |
US6724972B2 (en) * | 2001-12-31 | 2004-04-20 | 3M Innovative Properties Company | Silicate waveguide compositions for extended L-band and S-band amplification |
JP4070203B2 (ja) * | 2003-01-21 | 2008-04-02 | 日本電信電話株式会社 | 光ファイバ増幅器 |
JP2005322696A (ja) * | 2004-05-06 | 2005-11-17 | Sumitomo Electric Ind Ltd | 希土類元素添加光導波路、光源および光増幅器 |
EP2078327A1 (en) * | 2006-10-18 | 2009-07-15 | The Commonwealth Of Australia | Cascade laser |
US7738166B2 (en) * | 2006-11-21 | 2010-06-15 | Pyrophotonics Lasers, Inc. | Fiber amplifier with integrated fiber laser pump |
US7822080B2 (en) * | 2007-12-21 | 2010-10-26 | Coherent, Inc. | High power pulsed fiber laser |
KR100987386B1 (ko) * | 2008-05-15 | 2010-10-12 | 한국전자통신연구원 | 다중 공진 광섬유 레이저 시스템 |
FR2939522B1 (fr) * | 2008-12-08 | 2011-02-11 | Draka Comteq France | Fibre optique amplificatrice resistante aux radiations ionisantes |
TWI400848B (zh) * | 2010-12-10 | 2013-07-01 | Ind Tech Res Inst | 光纖雷射系統 |
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2013
- 2013-09-04 KR KR1020130106034A patent/KR101386108B1/ko active IP Right Grant
-
2014
- 2014-05-30 US US14/892,573 patent/US9806492B2/en not_active Expired - Fee Related
- 2014-05-30 JP JP2016516458A patent/JP6261726B2/ja not_active Expired - Fee Related
- 2014-05-30 WO PCT/KR2014/004868 patent/WO2014193197A1/ko active Application Filing
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KR20000027961A (ko) * | 1998-10-30 | 2000-05-15 | 이병규 | 어븀이온 및 툴륨이온이 공동 첨가된 코어를 이용한 광소자 |
KR20030050801A (ko) * | 2001-12-19 | 2003-06-25 | 한국전자통신연구원 | 희토류 첨가 광섬유 및 이를 이용한 광증폭기 |
JP2005520326A (ja) * | 2002-03-08 | 2005-07-07 | ライトウェーブ エレクトロニクス | 増幅された自然放出光(ase)の分散式抑制を行う、sバンド・エルビウム添加ファイバおよびlバンド・ツリウム添加ファイバを利用した増幅器および光源 |
KR20110065305A (ko) * | 2009-12-08 | 2011-06-15 | 한국전자통신연구원 | 이중 클래드 광섬유 레이저 소자 |
US20130101261A1 (en) * | 2010-07-09 | 2013-04-25 | Ixfiber | Radiation-resistant rare-earth-doped optical fiber and method of radiation-hardening a rare-earth-doped optical fiber |
Also Published As
Publication number | Publication date |
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US20160099542A1 (en) | 2016-04-07 |
JP2016520262A (ja) | 2016-07-11 |
KR101386108B1 (ko) | 2014-04-16 |
JP6261726B2 (ja) | 2018-01-17 |
US9806492B2 (en) | 2017-10-31 |
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