HK110997A - Optical waveguide amplifier - Google Patents

Optical waveguide amplifier

Info

Publication number
HK110997A
HK110997A HK110997A HK110997A HK110997A HK 110997 A HK110997 A HK 110997A HK 110997 A HK110997 A HK 110997A HK 110997 A HK110997 A HK 110997A HK 110997 A HK110997 A HK 110997A
Authority
HK
Hong Kong
Prior art keywords
optical
pct
fibre
pump
fluorescence
Prior art date
Application number
HK110997A
Other languages
English (en)
Inventor
Jonathan Richard Armitage
Richard Wyatt
Jennifer Massicot
Original Assignee
British Telecomm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10679541&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK110997(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by British Telecomm filed Critical British Telecomm
Publication of HK110997A publication Critical patent/HK110997A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06754Fibre amplifiers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S2301/00Functional characteristics
    • H01S2301/02ASE (amplified spontaneous emission), noise; Reduction thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09Processes or apparatus for excitation, e.g. pumping
    • H01S3/091Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094096Multi-wavelength pumping

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
HK110997A 1990-07-24 1997-06-26 Optical waveguide amplifier HK110997A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909016181A GB9016181D0 (en) 1990-07-24 1990-07-24 Optical waveguide amplifier
PCT/GB1991/001193 WO1992002061A1 (en) 1990-07-24 1991-07-18 Optical waveguide amplifier

Publications (1)

Publication Number Publication Date
HK110997A true HK110997A (en) 1997-08-29

Family

ID=10679541

Family Applications (1)

Application Number Title Priority Date Filing Date
HK110997A HK110997A (en) 1990-07-24 1997-06-26 Optical waveguide amplifier

Country Status (11)

Country Link
US (1) US5500764A (xx)
EP (1) EP0540602B1 (xx)
JP (1) JP3325887B2 (xx)
AT (1) ATE133518T1 (xx)
AU (1) AU644893B2 (xx)
CA (1) CA2086549C (xx)
DE (1) DE69116693T2 (xx)
ES (1) ES2082215T3 (xx)
GB (1) GB9016181D0 (xx)
HK (1) HK110997A (xx)
WO (1) WO1992002061A1 (xx)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05347449A (ja) * 1992-06-12 1993-12-27 Ando Electric Co Ltd 信号光及び信号光と波長の違う連続光を増幅する光増幅器
NL9500069A (nl) * 1995-01-13 1996-08-01 Nederland Ptt Optisch transmissiesysteem.
JP4036489B2 (ja) * 1995-08-23 2008-01-23 富士通株式会社 波長多重信号を光増幅する光増幅器を制御するための方法と装置
US6212310B1 (en) 1996-10-22 2001-04-03 Sdl, Inc. High power fiber gain media system achieved through power scaling via multiplexing
US6122298A (en) * 1996-11-01 2000-09-19 Tyco Submarine Systems Ltd. Multi-wavelength optical pump
US5936763A (en) * 1996-11-15 1999-08-10 Matsushita Electric Industrial Co., Ltd. Optical fiber amplifier, semiconductor laser module for pumping and optical signal communication system
US6236496B1 (en) * 1996-12-11 2001-05-22 Nippon Telegraph And Telephone Corporation Optical fiber amplifier and optical amplification method
US6052393A (en) * 1996-12-23 2000-04-18 The Regents Of The University Of Michigan Broadband Sagnac Raman amplifiers and cascade lasers
JP4063908B2 (ja) * 1997-01-29 2008-03-19 富士通株式会社 光源装置、光増幅器及び光通信システム
US5847865A (en) * 1997-02-18 1998-12-08 Regents Of The University Of Minnesota Waveguide optical amplifier
JP3860278B2 (ja) 1997-03-13 2006-12-20 富士通株式会社 遠隔励起方式の波長多重光伝送システム
JP3808632B2 (ja) 1998-06-18 2006-08-16 富士通株式会社 光増幅器及び光増幅方法
US6839522B2 (en) 1998-07-21 2005-01-04 Corvis Corporation Optical signal varying devices, systems and methods
US6344922B1 (en) * 1998-07-21 2002-02-05 Corvis Corporation Optical signal varying devices
US6556346B1 (en) 1998-09-22 2003-04-29 Corning O.T.I.Spa Optical amplifying unit and optical transmission system
US6587261B1 (en) * 1999-05-24 2003-07-01 Corvis Corporation Optical transmission systems including optical amplifiers and methods of use therein
KR100334789B1 (ko) 1999-07-22 2002-05-02 윤종용 피드 백 루프를 이용한 광학 소자 측정용 광대역 광원
US6603598B1 (en) 1999-09-29 2003-08-05 Corning O.T.I. Inc. Optical amplifying unit and optical transmission system
US6407853B1 (en) * 1999-10-29 2002-06-18 Corning Incorporated Broadhead dual wavelength pumped fiber amplifier
WO2001064010A2 (en) 2000-03-03 2001-09-07 Optical Technologies Italia S.P.A Optical amplifier and optical transmission system
US6344925B1 (en) 2000-03-03 2002-02-05 Corvis Corporation Optical systems and methods and optical amplifiers for use therein
JP2001274494A (ja) * 2000-03-24 2001-10-05 Mitsubishi Cable Ind Ltd 光増幅装置
US6587633B2 (en) 2000-03-30 2003-07-01 Corning Oti, Inc. Active optical fibre doped with rare earth elements
US6456637B1 (en) * 2000-05-30 2002-09-24 Lucent Technologies Inc. Waveguide lasers and optical amplifiers having enhanced thermal stability
KR20010111163A (ko) * 2000-06-08 2001-12-17 오길록 1530㎚ 파장대역의 광원으로 여기된 장파장대역 에르븀첨가 광섬유 증폭기
US6816513B2 (en) 2001-04-02 2004-11-09 Apollo Instruments, Inc. High power high efficiency cladding pumping fiber laser
US7038840B1 (en) * 2003-06-17 2006-05-02 Sprint Communications Company L.P. Discrete Raman fiber oscillator
US7181119B2 (en) * 2003-09-05 2007-02-20 Sumitomo Electric Industries, Ltd. Optically amplifying waveguide, optical amplifier module, and optical communication system
JP4792464B2 (ja) * 2005-03-30 2011-10-12 富士通株式会社 光ファイバ及び光増幅器
US7245423B1 (en) 2006-07-24 2007-07-17 Itt Manufacturing Enterprises, Inc. Reducing noise in a fiber amplifier using a cleaning optical signal
US7940453B2 (en) * 2006-08-07 2011-05-10 Pyrophotonics Lasers Inc. Fiber amplifiers and fiber lasers with reduced out-of-band gain

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8821140D0 (en) * 1988-09-09 1988-10-12 British Telecomm Laser systems
JP2546711B2 (ja) * 1988-12-22 1996-10-23 国際電信電話株式会社 Erドープ光ファイバレーザ素子
US5224116A (en) * 1989-03-08 1993-06-29 Bt&D Technologies Ltd. Laser amplifier
US5005175A (en) * 1989-11-27 1991-04-02 At&T Bell Laboratories Erbium-doped fiber amplifier
US5177562A (en) * 1990-09-18 1993-01-05 The Board Of Trustees Of The Leland Stanford Junior University Stability compensated broadband source and fiber interferometer
US5225925A (en) * 1991-01-23 1993-07-06 Amoco Corporation Sensitized erbium fiber optical amplifier and source

Also Published As

Publication number Publication date
AU8190891A (en) 1992-02-18
DE69116693D1 (de) 1996-03-07
ES2082215T3 (es) 1996-03-16
AU644893B2 (en) 1993-12-23
EP0540602B1 (en) 1996-01-24
JPH05509202A (ja) 1993-12-16
ATE133518T1 (de) 1996-02-15
GB9016181D0 (en) 1990-09-05
EP0540602A1 (en) 1993-05-12
DE69116693T2 (de) 1996-05-30
JP3325887B2 (ja) 2002-09-17
US5500764A (en) 1996-03-19
CA2086549C (en) 1998-05-05
WO1992002061A1 (en) 1992-02-06
CA2086549A1 (en) 1992-01-25

Similar Documents

Publication Publication Date Title
HK110997A (en) Optical waveguide amplifier
CA2267775C (en) A multi-wavelength optical pump
EP1026797A3 (en) Raman amplifier with pump source
CA2024352A1 (en) Distributed amplification for lightwave transmission system
WO2002005461A8 (en) Cascaded pumping system for distributed raman amplification in optical fiber telecommunication systems
AU3345284A (en) Fiber optic amplifier
CA2110930A1 (en) Rare Earth Doped Optical Fiber Amplifiers
GB2151868B (en) Optical amplifiers
MY108522A (en) A double-core active-fiber optical amplifier having a wide-band signal wavelength.
HK1071966A1 (en) Methods and arrangements in a pumped fiber amplifier
CA2173662A1 (en) Rare earth element-doped optical fiber amplifier
JPH05347449A (ja) 信号光及び信号光と波長の違う連続光を増幅する光増幅器
US6252700B1 (en) Erbium doped fiber amplifier suitable for long wavelength light signal
JP2533682B2 (ja) 光ファイバ増幅器および光ファイバ増幅器の励起方法
CN212033420U (zh) 一种可调谐脉冲光纤激光器
CA2254487A1 (en) Optical fiber amplifier
JPH05121818A (ja) エルビウムをドープした光フアイバを用いた光増幅器
EP1161008A3 (en) High power, multiple-tap co-doped optical amplifier
CN101621175A (zh) 一种具有色散补偿功能的光纤放大器及方法
EP1032096A3 (en) Optical fiber amplifier and method of amplifying an optical signal
GB0208082D0 (en) Optical amplifiers
JP2769186B2 (ja) 光受信回路
JPH04291972A (ja) 光増幅器用エルビウムファイバ
KR100341215B1 (ko) 에르븀첨가광섬유의 장파장대역을 이용한 2단 광증폭기
EP1109275A2 (en) L-Band optical amplifier

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)