DE69116409D1 - Laservorrichtung mit Mitteln zur Erfassung der Laserleistung - Google Patents
Laservorrichtung mit Mitteln zur Erfassung der LaserleistungInfo
- 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
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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
- H01S5/0264—Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices 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
-
- 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
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
-
- 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)
- 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)
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)
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)
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 |
-
1990
- 1990-03-28 US US07/500,814 patent/US5136604A/en not_active Expired - Lifetime
-
1991
- 1991-03-15 CA CA002038334A patent/CA2038334C/en not_active Expired - Lifetime
- 1991-03-20 JP JP3055214A patent/JPH0770783B2/ja not_active Expired - Lifetime
- 1991-03-28 DE DE69116409T patent/DE69116409T2/de not_active Expired - Lifetime
- 1991-03-28 EP EP91302758A patent/EP0449636B1/de not_active Expired - Lifetime
-
1997
- 1997-10-23 JP JP1997009368U patent/JP2591522Y2/ja not_active Expired - Fee Related
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |