DE3764410D1 - Vielfachanordnung von lasern. - Google Patents

Vielfachanordnung von lasern.

Info

Publication number
DE3764410D1
DE3764410D1 DE8787302417T DE3764410T DE3764410D1 DE 3764410 D1 DE3764410 D1 DE 3764410D1 DE 8787302417 T DE8787302417 T DE 8787302417T DE 3764410 T DE3764410 T DE 3764410T DE 3764410 D1 DE3764410 D1 DE 3764410D1
Authority
DE
Germany
Prior art keywords
lasers
multiple arrangement
arrangement
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8787302417T
Other languages
English (en)
Inventor
George Horace Brook Thompson
James Edward Andrew Whiteaway
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Application granted granted Critical
Publication of DE3764410D1 publication Critical patent/DE3764410D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • 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
    • H01S5/4068—Edge-emitting structures with lateral coupling by axially offset or by merging waveguides, e.g. Y-couplers
    • 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
    • H01S5/4062—Edge-emitting structures with an external cavity or using internal filters, e.g. Talbot filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
DE8787302417T 1986-06-09 1987-03-20 Vielfachanordnung von lasern. Expired - Fee Related DE3764410D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8613937A GB2191631B (en) 1986-06-09 1986-06-09 Laser array

Publications (1)

Publication Number Publication Date
DE3764410D1 true DE3764410D1 (de) 1990-09-27

Family

ID=10599164

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302417T Expired - Fee Related DE3764410D1 (de) 1986-06-09 1987-03-20 Vielfachanordnung von lasern.

Country Status (5)

Country Link
US (1) US4760580A (de)
EP (1) EP0251427B1 (de)
JP (1) JP2511969B2 (de)
DE (1) DE3764410D1 (de)
GB (1) GB2191631B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6215877A (ja) * 1985-07-12 1987-01-24 Sharp Corp 半導体レ−ザアレイ装置
JPS62235794A (ja) * 1986-04-07 1987-10-15 Sharp Corp 半導体レ−ザアレイ装置
FR2625815B1 (fr) * 1988-01-08 1990-05-04 Cit Alcatel Diffuseur optique du type n par n
DE3924060A1 (de) * 1989-07-21 1991-01-24 Bodenseewerk Perkin Elmer Co Atomabsorptions-spektralphotometer fuer die multielementanalyse
JP3102874B2 (ja) * 1990-11-05 2000-10-23 日本板硝子株式会社 Ｙ分岐光回路
JP2966113B2 (ja) * 1990-12-27 1999-10-25 古河電気工業株式会社 導波路型分岐結合器
US5101413A (en) * 1991-05-10 1992-03-31 Trw Inc. Large-aperture light sources using resonant leaky-wave coupling
FR2676548B1 (fr) * 1991-05-17 1993-09-17 Corning Inc Coupleur optique et son procede de fabrication.
JP3107246B2 (ja) * 1992-02-12 2000-11-06 富士ゼロックス株式会社 スターカプラー
US5287376A (en) * 1992-12-14 1994-02-15 Xerox Corporation Independently addressable semiconductor diode lasers with integral lowloss passive waveguides
US5305412A (en) * 1992-12-14 1994-04-19 Xerox Corporation Semiconductor diode optical switching arrays utilizing low-loss, passive waveguides
US5333219A (en) * 1992-12-17 1994-07-26 At&T Bell Laboratories Asymmetric Y-branch optical device
FR2714490B1 (fr) * 1993-12-29 1996-03-01 Corning Inc Coupleur en optique intégrée à deux entrées et 2N sorties.
FR2716539B1 (fr) * 1994-02-18 1996-04-26 Corning Inc Coupleur en optique intégrée à une porte d'entrée et 2n portes de sortie.
US6733166B2 (en) 1997-12-09 2004-05-11 Federal -Mogul World Wide, Inc. Illuminated interior article system utilizing a Y-branch waveguide
KR100310086B1 (ko) * 1998-11-17 2002-11-27 삼성전자 주식회사 광결합기및그제작방법
US6580850B1 (en) 2000-11-24 2003-06-17 Applied Wdm, Inc. Optical waveguide multimode to single mode transformer
JP4284892B2 (ja) * 2001-07-13 2009-06-24 オムロン株式会社 多分岐光導波路
US6931179B2 (en) * 2001-10-29 2005-08-16 Harris Corporation Lossless optical splitter
US6954568B2 (en) * 2003-04-29 2005-10-11 Intel Corporation Method and apparatus for splitting or combining optical beams with A Y coupler with reduced loss and electrical isolation
WO2008140718A1 (en) * 2007-05-09 2008-11-20 The Board Of Trustees Of The University Of Illinois Curved coupled waveguide array and laser
US9347829B2 (en) * 2010-05-07 2016-05-24 President And Fellows Of Harvard College Integrated nanobeam cavity array spectrometer
US20150104130A1 (en) * 2013-10-14 2015-04-16 Cisco Technology, Inc. Optical power splitter
JP7302430B2 (ja) * 2019-10-24 2023-07-04 富士通株式会社 波長可変光源、これを用いた光伝送装置、及び波長可変光源の制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461007A (en) * 1982-01-08 1984-07-17 Xerox Corporation Injection lasers with short active regions
US4578791A (en) * 1982-12-20 1986-03-25 Trw Inc. High-power injection laser diode structure
US4671605A (en) * 1985-02-06 1987-06-09 The United States Of America As Represented By The Secretary Of The Air Force Length dependent, optical time delay/filter device for electrical signals

Also Published As

Publication number Publication date
EP0251427B1 (de) 1990-08-22
GB2191631A (en) 1987-12-16
EP0251427A1 (de) 1988-01-07
GB2191631B (en) 1990-01-31
GB8613937D0 (en) 1986-07-16
US4760580A (en) 1988-07-26
JP2511969B2 (ja) 1996-07-03
JPS62293684A (ja) 1987-12-21

Similar Documents

Publication Publication Date Title
DE3764410D1 (de) Vielfachanordnung von lasern.
FI875451A (fi) Impulsmodifierande aemne foer anvaendning i roekningsartiklar.
FI870419A (fi) Stoedsubstans foer anvaendning i detergentkompositionen.
DE3684704D1 (de) Perfluorierung von aethern.
FI870082A (fi) Munstycksarrangemang i tvao delar foer skummedel.
FI870025A (fi) Foerbaettringar i en kalcineringsapparat.
FI871158A0 (fi) Saekerhetsfilter foer filterkassetter i dammsugare.
ATE112172T1 (de) Targetformer von antitumor-methyltrithioagenzien.
DE3776896D1 (de) Laseranordnung.
DE3779158D1 (de) Chrom-dotierter scandium-borat-laser.
DE3763628D1 (de) Mehrfachstrahl-lasertron.
FI870932A (fi) Bestraolningsanordning foer solenergi i medicinskt bruk.
FI872247A0 (fi) Eldosa foer montering i kabelraenna.
DE3689192D1 (de) Vielfachanordnung von Lasern.
DE3669550D1 (de) Stabilisierung von pechfasern.
FI861940A0 (fi) Stoedanordning foer nackstycket i en borrmaskin.
DE3586665D1 (de) Vielfachanordnung von halbleiterlasern.
DE3869828D1 (de) Stabilisierung von aminalane.
FI861927A0 (fi) Laosmekanism foer styranordningen i en elbrytare.
DE3678975D1 (de) Stabilisierung von entwickelten elektrophoregrammen.
FI875531A (fi) Foer montering i en yttervaegg avsedd vattenutkastare.
NO882851D0 (no) Bjelke.
FI864088A0 (fi) Upphaengningsstycke foer baerroer i belysningsanordning.
FI862410A0 (fi) Oevertrycksventil i en rekombinationsackumulator.
FI862926A (fi) Faestunderlagsdel foer sjaelvhaeftande skylt i en pappersbanarulle foer automatiserade foerpackningslinjer foer tidningspapperrullar.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NORTHERN TELECOM LTD., MONTREAL, QUEBEC, CA

8328 Change in the person/name/address of the agent

Free format text: KOCH, G., DIPL.-ING. HAIBACH, T., DIPL.-PHYS. DR.RER.NAT. FELDKAMP, R., DIPL.-ING., PAT.-ANWAELTE, 80339 MUENCHEN

8339 Ceased/non-payment of the annual fee