HK141296A - Optical amplifier and laser - Google Patents

Optical amplifier and laser

Info

Publication number
HK141296A
HK141296A HK141296A HK141296A HK141296A HK 141296 A HK141296 A HK 141296A HK 141296 A HK141296 A HK 141296A HK 141296 A HK141296 A HK 141296A HK 141296 A HK141296 A HK 141296A
Authority
HK
Hong Kong
Prior art keywords
laser
optical amplifier
pump
erbium ions
fibre
Prior art date
Application number
HK141296A
Other languages
English (en)
Inventor
Colin Anderson Millar
Timothy John Whitley
Michael Charles Brierley
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
Application filed by British Telecomm filed Critical British Telecomm
Publication of HK141296A publication Critical patent/HK141296A/xx

Links

Classifications

    • 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
    • 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
    • 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
    • H01S3/094092—Upconversion pumping
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Laser Surgery Devices (AREA)
  • Glass Compositions (AREA)
HK141296A 1991-07-09 1996-08-01 Optical amplifier and laser HK141296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919114730A GB9114730D0 (en) 1991-07-09 1991-07-09 Up-conversion pumped green lasing in erbium doped fluorozirconate fibre

Publications (1)

Publication Number Publication Date
HK141296A true HK141296A (en) 1996-08-09

Family

ID=10698013

Family Applications (1)

Application Number Title Priority Date Filing Date
HK141296A HK141296A (en) 1991-07-09 1996-08-01 Optical amplifier and laser

Country Status (8)

Country Link
US (2) US5369523A (de)
EP (1) EP0593568B1 (de)
JP (1) JPH06508961A (de)
AT (1) ATE193402T1 (de)
DE (1) DE69231094T2 (de)
GB (2) GB9114730D0 (de)
HK (1) HK141296A (de)
WO (1) WO1993001637A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488626A (en) * 1991-01-14 1996-01-30 Light Age, Inc. Method of and apparatus for pumping of transition metal ion containing solid state lasers using diode laser sources
GB9114730D0 (en) * 1991-07-09 1991-08-28 British Telecomm Up-conversion pumped green lasing in erbium doped fluorozirconate fibre
US5822353A (en) * 1994-07-18 1998-10-13 Semenov; Alexei A. Solid-state laser
US5530711A (en) * 1994-09-01 1996-06-25 The United States Of America As Represented By The Secretary Of The Navy Low threshold diode-pumped tunable dye laser
US5457568A (en) * 1994-11-28 1995-10-10 At&T Corp. 980 NM pumped erbium fiber amplifier
JP3299684B2 (ja) 1997-04-23 2002-07-08 日本電信電話株式会社 光増幅器および光増幅方法
JP2000091678A (ja) * 1998-09-11 2000-03-31 Nec Corp ファイバレーザ照射装置
JP3344475B2 (ja) * 1999-03-19 2002-11-11 日本電気株式会社 レーザ発振器及びレーザ増幅器
US7027467B2 (en) * 2000-06-20 2006-04-11 Evotec Technologies Gmbh Fiber laser
US6377396B1 (en) 2000-09-26 2002-04-23 Onetta, Inc. Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems
US6417961B1 (en) 2000-10-10 2002-07-09 Onetta, Inc. Optical amplifiers with dispersion compensation
US6816532B2 (en) * 2001-05-15 2004-11-09 Fuji Photo Film Co., Ltd. Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of ho3+, sm3+, eu3+, dy3+, er3+, and tb3+is excited with gan-based compound laser diode
US6687049B1 (en) 2001-07-03 2004-02-03 Onetta, Inc. Optical amplifiers with stable output power under low input power conditions
US6577789B1 (en) 2001-09-26 2003-06-10 Onetta, Inc. Double-pass optical amplifiers and optical network equipment
ITMI20022190A1 (it) * 2002-10-15 2004-04-16 Marconi Comm Ltd Fibre drogate con erbio.
US7186456B2 (en) * 2003-10-02 2007-03-06 Ube Industries, Ltd. Easily slidable polyimide film and substrate employing it
US20050173506A1 (en) * 2004-02-09 2005-08-11 Cantar/Polyair Inc. Reusable protective envelope
US7702201B2 (en) * 2006-06-08 2010-04-20 Industrial Technology Research Institute Gain flattening utilizing a two-stage erbium-based amplifier
US9430155B2 (en) 2010-03-25 2016-08-30 International Business Machines Corporation File index, metadata storage, and file system management for magnetic tape
US9063666B2 (en) * 2010-03-25 2015-06-23 International Business Machines Corporation File index, metadata storage, and file system management for magnetic tape
US9275678B2 (en) * 2010-03-25 2016-03-01 International Business Machines Corporation Primary storage media with associated secondary storage media for efficient data management
US10164398B2 (en) * 2014-09-22 2018-12-25 University Of Rochester Efficient lasing with excited-state absorption-impaired materials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517313B1 (fr) * 1981-11-30 1985-12-06 Ato Chimie Procede de polymerisation en phase gazeuse faisant appel a la catalyse heterogene et reacteur spherique pour sa mise en oeuvre
JPS59204605A (ja) * 1983-05-09 1984-11-20 Mitsubishi Petrochem Co Ltd エチレンの重合法
JPS6079018A (ja) * 1983-10-06 1985-05-04 Ube Ind Ltd エチレンの重合法
US4582816A (en) * 1985-02-21 1986-04-15 Phillips Petroleum Company Catalysts, method of preparation and polymerization processes therewith
US4962995A (en) * 1989-06-16 1990-10-16 Gte Laboratories Incorporated Glasses for high efficiency erbium (3+) optical fiber lasers, amplifiers, and superluminescent sources
US4935722A (en) * 1989-11-06 1990-06-19 Hughes Aircraft Company Transparent eyelevel upconversion stoplight for vehicles
US5008890A (en) * 1990-05-01 1991-04-16 Hughes Aircraft Company Red, green, blue upconversion laser pumped by single wavelength infrared laser source
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
US5084880A (en) * 1990-07-02 1992-01-28 The United States Of America As Represented By The Sectretary Of The Navy Erbium-doped fluorozirconate fiber laser pumped by a diode laser source
GB9114730D0 (en) * 1991-07-09 1991-08-28 British Telecomm Up-conversion pumped green lasing in erbium doped fluorozirconate fibre

Also Published As

Publication number Publication date
EP0593568A1 (de) 1994-04-27
ATE193402T1 (de) 2000-06-15
JPH06508961A (ja) 1994-10-06
US5369523A (en) 1994-11-29
DE69231094T2 (de) 2001-02-01
GB2272794B (en) 1995-05-24
DE69231094D1 (de) 2000-06-29
US5453873A (en) 1995-09-26
GB9325691D0 (en) 1994-03-02
EP0593568B1 (de) 2000-05-24
WO1993001637A1 (en) 1993-01-21
GB2272794A (en) 1994-05-25
GB9114730D0 (en) 1991-08-28

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Legal Events

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