ATE95644T1 - Polarisationsumschaltung in aktiven elementen. - Google Patents

Polarisationsumschaltung in aktiven elementen.

Info

Publication number
ATE95644T1
ATE95644T1 AT89302355T AT89302355T ATE95644T1 AT E95644 T1 ATE95644 T1 AT E95644T1 AT 89302355 T AT89302355 T AT 89302355T AT 89302355 T AT89302355 T AT 89302355T AT E95644 T1 ATE95644 T1 AT E95644T1
Authority
AT
Austria
Prior art keywords
twin
active elements
polarization switching
polarisation
bistability
Prior art date
Application number
AT89302355T
Other languages
English (en)
Inventor
Ian Hugh White
Richard Steven Linton
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
Application granted granted Critical
Publication of ATE95644T1 publication Critical patent/ATE95644T1/de

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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
    • H01S5/0608—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by light, e.g. optical switch
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00—Optical logic elements; Optical bistable devices
    • G02F3/02—Optical bistable devices
    • G02F3/026—Optical bistable devices based on laser effects
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06233—Controlling other output parameters than intensity or frequency
    • H01S5/06236—Controlling other output parameters than intensity or frequency controlling the polarisation, e.g. TM/TE polarisation switching
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031—Edge-emitting structures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Semiconductor Lasers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Magnetic Ceramics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AT89302355T 1988-03-09 1989-03-09 Polarisationsumschaltung in aktiven elementen. ATE95644T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888805620A GB8805620D0 (en) 1988-03-09 1988-03-09 Polarisation switching in active devices
EP89302355A EP0332446B1 (de) 1988-03-09 1989-03-09 Polarisationsumschaltung in aktiven Elementen

Publications (1)

Publication Number Publication Date
ATE95644T1 true ATE95644T1 (de) 1993-10-15

Family

ID=10633131

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89302355T ATE95644T1 (de) 1988-03-09 1989-03-09 Polarisationsumschaltung in aktiven elementen.

Country Status (10)

Country Link
US (1) US5012474A (de)
EP (1) EP0332446B1 (de)
JP (1) JPH02503838A (de)
AT (1) ATE95644T1 (de)
AU (1) AU603295B2 (de)
CA (1) CA1309766C (de)
DE (1) DE68909642T2 (de)
GB (1) GB8805620D0 (de)
IE (1) IE61645B1 (de)
WO (1) WO1989008937A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8805016D0 (en) * 1988-03-02 1988-03-30 British Telecomm Laser amplifier
GB8805620D0 (en) * 1988-03-09 1988-04-07 British Telecomm Polarisation switching in active devices
GB9007139D0 (en) * 1990-03-30 1990-05-30 British Telecomm Optical component
US5079774A (en) * 1990-12-27 1992-01-07 International Business Machines Corporation Polarization-tunable optoelectronic devices
US5111326A (en) * 1991-04-25 1992-05-05 United Technologies Corporation Integrated Kerr shutter and fiber laser optical modulation
DE69129807T2 (de) * 1991-11-20 1999-02-25 Hamamatsu Photonics K.K., Hamamatsu, Shizuoka Lichtverstärkungspolarisator
US5497390A (en) * 1992-01-31 1996-03-05 Nippon Telegraph And Telephone Corporation Polarization mode switching semiconductor laser apparatus
US5396508A (en) * 1992-09-22 1995-03-07 Xerox Corporation Polarization switchable quantum well laser
DE69521157T2 (de) * 1994-02-18 2001-11-08 Canon K.K., Tokio/Tokyo Polarisationsselektiver Halbleiterlaser, Lichtsender und optisches Kommunikationssystem unter Verwendung dieses Lasers
AU673906B2 (en) * 1994-05-10 1996-11-28 Yehuda Carmel A device for raising a toilet seat
JP3323725B2 (ja) * 1995-12-08 2002-09-09 キヤノン株式会社 偏波変調レーザ、その駆動方法及びそれを用いた光通信システム
WO2005064605A1 (en) * 2003-12-23 2005-07-14 Koninklijke Philips Electronics N.V. Optical flip-flop based read-out arrangement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60149030A (ja) * 1983-12-21 1985-08-06 Nec Corp 光スイツチ
US4612645A (en) * 1984-12-19 1986-09-16 Gte Laboratories Incorporated Fast polarization-switchable semiconductor lasers
US4689793A (en) * 1984-12-19 1987-08-25 Gte Laboratories Incorporated Optical logic and memory apparatus
US4685108A (en) * 1985-07-03 1987-08-04 Gte Laboratories Incorporated Optical multivibrator
GB8605862D0 (en) * 1986-03-10 1986-04-16 British Telecomm Opto-electronic directional switch
JPS6366984A (ja) * 1986-09-08 1988-03-25 Matsushita Electric Ind Co Ltd 半導体レ−ザ論理回路
GB8805620D0 (en) * 1988-03-09 1988-04-07 British Telecomm Polarisation switching in active devices

Also Published As

Publication number Publication date
IE61645B1 (en) 1994-11-16
IE890762L (en) 1989-09-09
EP0332446B1 (de) 1993-10-06
JPH02503838A (ja) 1990-11-08
AU603295B2 (en) 1990-11-08
GB8805620D0 (en) 1988-04-07
WO1989008937A1 (en) 1989-09-21
EP0332446A1 (de) 1989-09-13
US5012474A (en) 1991-04-30
DE68909642D1 (de) 1993-11-11
DE68909642T2 (de) 1994-04-07
CA1309766C (en) 1992-11-03
AU3341289A (en) 1989-10-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties