DE68911414D1 - Laserdiode mit Mitteln zur elektrischen Modulation der Intensität des ausgestrahlten Lichts einschliesslich des Ein- und Ausschaltens und zur elektrischen Steuerung der Position des Laserflecks. - Google Patents
Laserdiode mit Mitteln zur elektrischen Modulation der Intensität des ausgestrahlten Lichts einschliesslich des Ein- und Ausschaltens und zur elektrischen Steuerung der Position des Laserflecks.Info
- Publication number
- DE68911414D1 DE68911414D1 DE89420280T DE68911414T DE68911414D1 DE 68911414 D1 DE68911414 D1 DE 68911414D1 DE 89420280 T DE89420280 T DE 89420280T DE 68911414 T DE68911414 T DE 68911414T DE 68911414 D1 DE68911414 D1 DE 68911414D1
- Authority
- DE
- Germany
- Prior art keywords
- intensity
- electrical
- emitted light
- light including
- including switching
- 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
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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
-
- 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
- H01S5/06203—Transistor-type 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
- H01S5/06—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
- H01S5/06233—Controlling other output parameters than intensity or frequency
- H01S5/06243—Controlling other output parameters than intensity or frequency controlling the position or direction of the emitted beam
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/228,430 US4878222A (en) | 1988-08-05 | 1988-08-05 | Diode laser with improved means for electrically modulating the emitted light beam intensity including turn-on and turn-off and electrically controlling the position of the emitted laser beam spot |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68911414D1 true DE68911414D1 (de) | 1994-01-27 |
DE68911414T2 DE68911414T2 (de) | 1994-06-16 |
Family
ID=22857136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68911414T Expired - Fee Related DE68911414T2 (de) | 1988-08-05 | 1989-07-27 | Laserdiode mit Mitteln zur elektrischen Modulation der Intensität des ausgestrahlten Lichts einschliesslich des Ein- und Ausschaltens und zur elektrischen Steuerung der Position des Laserflecks. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4878222A (de) |
EP (1) | EP0354141B1 (de) |
JP (1) | JPH0281494A (de) |
CA (1) | CA1305775C (de) |
DE (1) | DE68911414T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04101485A (ja) * | 1990-08-21 | 1992-04-02 | Hitachi Ltd | ビーム広がり角可変半導体レーザ装置およびそれを用いた情報処理装置 |
US5137844A (en) * | 1991-04-05 | 1992-08-11 | Polaroid Corporation | Process to adjust output of light emitters |
JPH0983082A (ja) * | 1995-09-19 | 1997-03-28 | Hitachi Ltd | 半導体レーザ素子及び光ディスク装置、並びに光軸調整方法 |
US6545971B1 (en) * | 1999-01-27 | 2003-04-08 | Kabushiki Kaisha Toshiba | Information recording/reproducing system for recording/reproducing information in three-dimensional recording medium of a light passing-through type |
GB2355111A (en) * | 1999-10-09 | 2001-04-11 | Mitel Semiconductor Ab | Vertical light emitting device with electrostatic current confinement |
US6585947B1 (en) | 1999-10-22 | 2003-07-01 | The Board Of Trustess Of The University Of Illinois | Method for producing silicon nanoparticles |
WO2001031374A1 (en) * | 1999-10-22 | 2001-05-03 | The Board Of Trustees Of The University Of Illinois | Silicon nanoparticle stimulated emission devices |
US6743406B2 (en) | 1999-10-22 | 2004-06-01 | The Board Of Trustees Of The University Of Illinois | Family of discretely sized silicon nanoparticles and method for producing the same |
US6984842B1 (en) | 1999-10-25 | 2006-01-10 | The Board Of Trustees Of The University Of Illinois | Silicon nanoparticle field effect transistor and transistor memory device |
US7838794B2 (en) | 1999-12-28 | 2010-11-23 | Gsi Group Corporation | Laser-based method and system for removing one or more target link structures |
US20040134894A1 (en) * | 1999-12-28 | 2004-07-15 | Bo Gu | Laser-based system for memory link processing with picosecond lasers |
US6281471B1 (en) | 1999-12-28 | 2001-08-28 | Gsi Lumonics, Inc. | Energy-efficient, laser-based method and system for processing target material |
US7723642B2 (en) * | 1999-12-28 | 2010-05-25 | Gsi Group Corporation | Laser-based system for memory link processing with picosecond lasers |
US7671295B2 (en) | 2000-01-10 | 2010-03-02 | Electro Scientific Industries, Inc. | Processing a memory link with a set of at least two laser pulses |
GB2373369A (en) * | 2001-03-12 | 2002-09-18 | Univ Bristol | Laser diodes |
US6972268B2 (en) | 2001-03-29 | 2005-12-06 | Gsi Lumonics Corporation | Methods and systems for processing a device, methods and systems for modeling same and the device |
US6992298B2 (en) | 2001-11-21 | 2006-01-31 | The Board Of Trustees Of The University Of Illinois | Coated spherical silicon nanoparticle thin film UV detector with UV response and method of making |
JP2006080427A (ja) * | 2004-09-13 | 2006-03-23 | Univ Of Tokyo | 半導体発光素子 |
CN111213241B (zh) * | 2018-06-30 | 2023-09-22 | 魏进 | 半导体器件、半导体设备及其制造方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3340479A (en) * | 1963-06-14 | 1967-09-05 | Bell Telephone Labor Inc | Laser tunable by junction coupling |
US3305685A (en) * | 1963-11-07 | 1967-02-21 | Univ California | Semiconductor laser and method |
US3518574A (en) * | 1964-05-01 | 1970-06-30 | Ibm | Injection laser device |
US3402366A (en) * | 1965-02-26 | 1968-09-17 | Ibm | Beam scanning in injection lasers |
US3768037A (en) * | 1965-11-26 | 1973-10-23 | Hitachi Ltd | Semiconductor diode laser device |
US3436679A (en) * | 1966-03-07 | 1969-04-01 | Gen Electric | Semiconductor junction laser with electronically displaceable and deflectable beam |
US3508111A (en) * | 1966-09-21 | 1970-04-21 | Ibm | Light emitting semiconductor device with light emission from selected portion(s) of p-n junction |
US3517337A (en) * | 1967-10-26 | 1970-06-23 | Ibm | Modulation of scanning beams in injection lasers |
US3702975A (en) * | 1970-12-09 | 1972-11-14 | Bell Telephone Labor Inc | Low threshold stripe geometry injection laser |
US3959808A (en) * | 1974-09-19 | 1976-05-25 | Northern Electric Company Limited | Variable stripe width semiconductor laser |
US4152711A (en) * | 1976-04-01 | 1979-05-01 | Mitsubishi Denki Kabuchiki Kaisha | Semiconductor controlled luminescent device |
NL7801181A (nl) * | 1978-02-02 | 1979-08-06 | Philips Nv | Injectielaser. |
US4212020A (en) * | 1978-07-21 | 1980-07-08 | California Institute Of Technology | Solid state electro-optical devices on a semi-insulating substrate |
US4216485A (en) * | 1978-09-15 | 1980-08-05 | Westinghouse Electric Corp. | Optical transistor structure |
JPS5681994A (en) * | 1979-12-07 | 1981-07-04 | Seiji Yasu | Field effect type semiconductor laser and manufacture thereof |
JPS56104488A (en) * | 1980-01-23 | 1981-08-20 | Hitachi Ltd | Semiconductor laser element |
JPS56152289A (en) * | 1980-04-25 | 1981-11-25 | Univ Osaka | Stripe type semiconductor laser with gate electrode |
JPS57176785A (en) * | 1981-04-22 | 1982-10-30 | Hitachi Ltd | Semiconductor laser device |
GB2111743B (en) * | 1981-08-25 | 1985-11-27 | Handotai Kenkyu Shinkokai | Semiconductor laser |
US4475200A (en) * | 1981-12-03 | 1984-10-02 | Rockwell International Corporation | Semiconductor laser beam scanner |
JPS58114479A (ja) * | 1981-12-26 | 1983-07-07 | Fujitsu Ltd | 半導体発光装置 |
US4675518A (en) * | 1982-03-05 | 1987-06-23 | Omron Tateisi Electronics Co. | Optical bistable device |
JPS594192A (ja) * | 1982-06-30 | 1984-01-10 | Sharp Corp | 半導体レ−ザ装置 |
JPH0632332B2 (ja) * | 1984-08-24 | 1994-04-27 | 日本電気株式会社 | 半導体レ−ザ装置 |
JPS61134093A (ja) * | 1984-12-05 | 1986-06-21 | Nec Corp | 半導体レ−ザを含む集積素子 |
US4700353A (en) * | 1985-08-12 | 1987-10-13 | Cornell Research Foundation, Inc. | Active modulation of quantum well lasers by energy shifts in gain spectra with applied electric field |
JPS63111688A (ja) * | 1986-10-29 | 1988-05-16 | Mitsubishi Electric Corp | 多点発光型レ−ザ・ダイオ−ド・アレイ |
-
1988
- 1988-08-05 US US07/228,430 patent/US4878222A/en not_active Expired - Fee Related
-
1989
- 1989-07-18 CA CA000605942A patent/CA1305775C/en not_active Expired - Fee Related
- 1989-07-27 DE DE68911414T patent/DE68911414T2/de not_active Expired - Fee Related
- 1989-07-27 EP EP89420280A patent/EP0354141B1/de not_active Expired - Lifetime
- 1989-08-04 JP JP1202689A patent/JPH0281494A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0354141A2 (de) | 1990-02-07 |
EP0354141A3 (en) | 1990-09-26 |
EP0354141B1 (de) | 1993-12-15 |
JPH0281494A (ja) | 1990-03-22 |
DE68911414T2 (de) | 1994-06-16 |
US4878222A (en) | 1989-10-31 |
CA1305775C (en) | 1992-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |