DE69116409D1 - Laservorrichtung mit Mitteln zur Erfassung der Laserleistung - Google Patents

Laservorrichtung mit Mitteln zur Erfassung der Laserleistung

Info

Publication number
DE69116409D1
DE69116409D1 DE69116409T DE69116409T DE69116409D1 DE 69116409 D1 DE69116409 D1 DE 69116409D1 DE 69116409 T DE69116409 T DE 69116409T DE 69116409 T DE69116409 T DE 69116409T DE 69116409 D1 DE69116409 D1 DE 69116409D1
Authority
DE
Germany
Prior art keywords
laser
detecting
laser device
power
laser power
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 - Lifetime
Application number
DE69116409T
Other languages
English (en)
Other versions
DE69116409T2 (de
Inventor
Thomas L Paoli
Neville G A Connell
Donald R Scifres
Robert L Thornton
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE69116409D1 publication Critical patent/DE69116409D1/de
Application granted granted Critical
Publication of DE69116409T2 publication Critical patent/DE69116409T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01S5/00Semiconductor lasers
    • H01S5/02Structural details or components not essential to laser action
    • H01S5/026Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262Photo-diodes, e.g. transceiver devices, bidirectional devices
    • H01S5/0264Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068Stabilisation of laser output parameters
    • H01S5/0683Stabilisation of laser output parameters by monitoring the optical output parameters
    • 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
    • H01S5/00Semiconductor lasers
    • H01S5/40Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031Edge-emitting structures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
DE69116409T 1990-03-28 1991-03-28 Laservorrichtung mit Mitteln zur Erfassung der Laserleistung Expired - Lifetime DE69116409T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/500,814 US5136604A (en) 1990-03-28 1990-03-28 Apparatus and method for detecting the power level in single and multi-stripe integrated lasers

Publications (2)

Publication Number Publication Date
DE69116409D1 true DE69116409D1 (de) 1996-02-29
DE69116409T2 DE69116409T2 (de) 1996-07-04

Family

ID=23991054

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69116409T Expired - Lifetime DE69116409T2 (de) 1990-03-28 1991-03-28 Laservorrichtung mit Mitteln zur Erfassung der Laserleistung

Country Status (5)

Country Link
US (1) US5136604A (de)
EP (1) EP0449636B1 (de)
JP (2) JPH0770783B2 (de)
CA (1) CA2038334C (de)
DE (1) DE69116409T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252513A (en) * 1990-03-28 1993-10-12 Xerox Corporation Method for forming a laser and light detector on a semiconductor substrate
US5323411A (en) * 1991-11-22 1994-06-21 The Furukawa Electric Co., Ltd. Laser diode array device
US5267255A (en) * 1992-02-25 1993-11-30 Xerox Corporation Array and method of operating a modulated solid state laser array with reduced thermal crosstalk
CA2091302A1 (en) * 1992-03-11 1993-09-12 Ichiro Yoshida Semiconductor laser and process for fabricating the same
JPH05343797A (ja) * 1992-06-08 1993-12-24 Sumitomo Electric Ind Ltd 半導体レーザ及びその使用方法
US5497181A (en) * 1992-06-29 1996-03-05 Xerox Corporation Dynamic control of individual spot exposure in an optical output device
US5323026A (en) * 1992-08-03 1994-06-21 Xerox Corporation Semiconductor laser with integrated phototransistor for dynamic power stabilization
US6090635A (en) * 1992-11-17 2000-07-18 Gte Laboratories Incorporated Method for forming a semiconductor device structure having a laser portion
JPH06224406A (ja) * 1993-01-27 1994-08-12 Mitsubishi Electric Corp 光集積回路
WO2023179939A1 (en) * 2022-03-24 2023-09-28 Ams-Osram International Gmbh Temperature measurement in ridge laser device
WO2023179937A1 (en) * 2022-03-24 2023-09-28 Ams-Osram International Gmbh Laser device and method for operating a laser device

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56150888A (en) * 1980-04-23 1981-11-21 Matsushita Electric Ind Co Ltd Semiconductor laser device
JPS57155789A (en) * 1981-03-20 1982-09-25 Mitsubishi Electric Corp Semiconductor laser modulator
JPS5840881A (ja) * 1981-09-03 1983-03-09 Nec Corp 埋め込みヘテロ構造半導体レ−ザ・フオトダイオ−ド光集積化素子の製造方法
JPS58186986A (ja) * 1982-04-27 1983-11-01 Kokusai Denshin Denwa Co Ltd <Kdd> モニタ付分布帰還形半導体レ−ザ
JPS5948975A (ja) * 1982-09-14 1984-03-21 Nec Corp 半導体発光素子
JPS6079788A (ja) * 1983-10-06 1985-05-07 Nec Corp 光双安定素子
JPS60207390A (ja) * 1984-03-31 1985-10-18 Agency Of Ind Science & Technol 半導体装置及びその製造方法
US4633476A (en) * 1984-11-16 1986-12-30 Spectra Diode Laboratories, Inc. Semiconductor laser with internal reflectors and vertical output
JPS61168282A (ja) * 1985-01-21 1986-07-29 Canon Inc 半導体装置
JPS6281784A (ja) * 1985-10-04 1987-04-15 Nippon Telegr & Teleph Corp <Ntt> 半導体レ−ザの発光強度監視方法および半導体レ−ザ装置
FR2588701B1 (fr) * 1985-10-14 1988-12-30 Bouadma Noureddine Procede de realisation d'une structure integree laser-photodetecteur
US4802182A (en) * 1987-11-05 1989-01-31 Xerox Corporation Monolithic two dimensional waveguide coupled cavity laser/modulator
US4947400A (en) * 1989-06-26 1990-08-07 At&T Bell Laboratories Laser-photodetector assemblage

Also Published As

Publication number Publication date
EP0449636A3 (en) 1992-12-09
JPH05251821A (ja) 1993-09-28
US5136604A (en) 1992-08-04
EP0449636B1 (de) 1996-01-17
JPH0770783B2 (ja) 1995-07-31
CA2038334C (en) 1994-01-25
EP0449636A2 (de) 1991-10-02
JP2591522Y2 (ja) 1999-03-03
CA2038334A1 (en) 1991-09-29
DE69116409T2 (de) 1996-07-04
JPH10117U (ja) 1998-05-06

Similar Documents

Publication Publication Date Title
DE69120194D1 (de) Kühlgerät mit Modulator
DE68915794D1 (de) Gerät zur Lageermittlung.
DE69006376D1 (de) Sensorsystem mit optischer Versorgung.
DE69130826D1 (de) Vorrichtung zur ermittlung der scharfstellungsposition
DE69212966D1 (de) Radareinrichtung mit laser
DE69118597D1 (de) Elektrooptische Vorrichtung
DE69107121D1 (de) Laservorrichtung.
DE69018907D1 (de) Bilderzeugungsgerät mit Aufladungsmitteln.
DE68922417D1 (de) Elektro-optische Vorrichtung.
DE68923193D1 (de) Elektroforesevorrichtung mit Fluoreszenz-Messung.
DE69117319D1 (de) Vorrichtung zur Feststellung der Tonart
DE69115447D1 (de) Stromversorgungseinrichtung mit Versorgungsfehlererkennung
DE69116409D1 (de) Laservorrichtung mit Mitteln zur Erfassung der Laserleistung
DE69121216D1 (de) Gerät zur Richtungsbestimmung
DE69107288D1 (de) Abstandsmessgerät.
DE68924077D1 (de) Optisches Gerät mit Laser.
DE69018783D1 (de) Bilderzeugungsgerät mit Auflademitteln.
DE69116707D1 (de) Elektrooptische Vorrichtung
DE69118563D1 (de) Laservorrichtung
FI912140A (fi) Laite kohteen paikallistamiseksi ja valolähetin
DE68914520D1 (de) Lasermessvorrichtung.
DE3852884D1 (de) Vorrichtung zum nutzbarmachen der meereswellenenergie.
DE59102223D1 (de) Laserleistungsmessung.
DE58900427D1 (de) Lichtelektrische winkelmesseinrichtung.
DE69012369D1 (de) Laservorrichtung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition