DE3787769D1 - Halbleiterlaservorrichtung. - Google Patents
Halbleiterlaservorrichtung.Info
- Publication number
- DE3787769D1 DE3787769D1 DE87306520T DE3787769T DE3787769D1 DE 3787769 D1 DE3787769 D1 DE 3787769D1 DE 87306520 T DE87306520 T DE 87306520T DE 3787769 T DE3787769 T DE 3787769T DE 3787769 D1 DE3787769 D1 DE 3787769D1
- Authority
- DE
- Germany
- Prior art keywords
- semiconductor laser
- laser device
- semiconductor
- laser
- 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
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- 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
- H01S5/0601—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing region
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- 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
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/0622—Controlling the frequency of the radiation
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
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- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
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- 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
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- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
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- H—ELECTRICITY
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
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- H—ELECTRICITY
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- 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
- H01S5/0601—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing region
- H01S5/0602—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising an absorbing region which is an umpumped part of the active layer
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- H—ELECTRICITY
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- 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
- H01S5/06206—Controlling the frequency of the radiation, e.g. tunable twin-guide lasers [TTG]
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- H—ELECTRICITY
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- 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
- H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
- H01S5/06213—Amplitude modulation
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- 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
- H01S5/06255—Controlling the frequency of the radiation
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- H—ELECTRICITY
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- 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
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06258—Controlling the frequency of the radiation with DFB-structure
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1039—Details on the cavity length
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1206—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
- H01S5/1215—Multiplicity of periods
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1228—DFB lasers with a complex coupled grating, e.g. gain or loss coupling
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- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/125—Distributed Bragg reflector [DBR] lasers
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- 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
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- 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
- H01S5/2004—Confining in the direction perpendicular to the layer structure
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- 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
- H01S5/2004—Confining in the direction perpendicular to the layer structure
- H01S5/2009—Confining in the direction perpendicular to the layer structure by using electron barrier layers
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- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3211—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
- H01S5/3216—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities quantum well or superlattice cladding layers
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- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3409—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers special GRINSCH structures
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- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3418—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers using transitions from higher quantum levels
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- 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
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
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- 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
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61175967A JPH0644662B2 (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP61175965A JPH0671116B2 (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP61175970A JPS6332982A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP61175971A JPS6332983A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP61175975A JPH0634425B2 (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP61175969A JPS6332981A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザアレイ |
JP17596686A JPS6332978A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP17596886A JPS6332980A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP17597386A JPS6332985A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP17597286A JPS6354794A (ja) | 1986-07-25 | 1986-07-25 | 半導体レ−ザ |
JP17597486A JPS6332986A (ja) | 1986-07-25 | 1986-07-25 | 集積化半導体レ−ザ |
JP17628786A JPS6332989A (ja) | 1986-07-26 | 1986-07-26 | 量子井戸半導体レ−ザ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3787769D1 true DE3787769D1 (de) | 1993-11-18 |
DE3787769T2 DE3787769T2 (de) | 1994-02-24 |
Family
ID=27583481
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751549T Expired - Fee Related DE3751549T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
DE3751548T Expired - Fee Related DE3751548T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
DE87306520T Expired - Fee Related DE3787769T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaservorrichtung. |
DE3751535T Expired - Fee Related DE3751535T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751549T Expired - Fee Related DE3751549T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
DE3751548T Expired - Fee Related DE3751548T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751535T Expired - Fee Related DE3751535T2 (de) | 1986-07-25 | 1987-07-23 | Halbleiterlaser. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4817110A (de) |
EP (5) | EP0254568B1 (de) |
DE (4) | DE3751549T2 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0280281B1 (de) * | 1987-02-27 | 1994-06-15 | Canon Kabushiki Kaisha | Halbleiterlaser mit variabler Oszillationswellenlänge |
JPS63258090A (ja) * | 1987-04-15 | 1988-10-25 | Sharp Corp | 半導体レ−ザ装置 |
GB2212658B (en) * | 1987-11-13 | 1992-02-12 | Plessey Co Plc | Solid state light source |
US4870652A (en) * | 1988-07-08 | 1989-09-26 | Xerox Corporation | Monolithic high density arrays of independently addressable semiconductor laser sources |
EP0361399A3 (de) * | 1988-09-28 | 1990-07-18 | Canon Kabushiki Kaisha | Halbleiterlaser-Vielfachanordnung, die Laser mit Reflexionsmitteln enthält, die verschiedene Wellenlängen-Selektionseigenschaften haben |
US5033053A (en) * | 1989-03-30 | 1991-07-16 | Canon Kabushiki Kaisha | Semiconductor laser device having plurality of layers for emitting lights of different wavelengths and method of driving the same |
US5060235A (en) * | 1989-03-31 | 1991-10-22 | Canon Kabushiki Kaisha | Semiconductor laser element selectively emitting lights of different wavelengths |
DE3934865A1 (de) * | 1989-10-19 | 1991-04-25 | Siemens Ag | Hochfrequent modulierbarer halbleiterlaser |
DE3934998A1 (de) * | 1989-10-20 | 1991-04-25 | Standard Elektrik Lorenz Ag | Elektrisch wellenlaengenabstimmbarer halbleiterlaser |
US5196958A (en) * | 1989-10-31 | 1993-03-23 | U.S. Philips Corporation | Optical amplifier having gain at two separated wavelengths |
JPH03151684A (ja) * | 1989-11-08 | 1991-06-27 | Mitsubishi Electric Corp | 多波長集積化半導体レーザの製造方法 |
US5138624A (en) * | 1989-11-16 | 1992-08-11 | The Boeing Company | Multiwavelength LED and laser diode optical source |
FR2656168A1 (fr) * | 1989-12-15 | 1991-06-21 | Thomson Csf | Laser semiconducteur a puits quantiques modulable en intensite ou en frequence par un modulateur integre. |
JP2808562B2 (ja) * | 1990-02-27 | 1998-10-08 | キヤノン株式会社 | 半導体光増幅素子 |
US5124996A (en) * | 1990-03-02 | 1992-06-23 | Canon Kabushiki Kaisha | Semiconductor laser element having a plurality of layers emitting lights of different wavelengths, and its driving method |
JPH04107976A (ja) * | 1990-08-28 | 1992-04-09 | Mitsubishi Electric Corp | 半導体レーザ装置 |
US5224114A (en) * | 1990-11-11 | 1993-06-29 | Canon Kabushiki Kaisha | Semiconductor laser devices with a plurality of light emitting layers having different bands gaps and methods for driving the same |
US5151915A (en) * | 1990-12-27 | 1992-09-29 | Xerox Corporation | Array and method of operating a modulated solid state laser array with reduced thermal crosstalk |
US5126803A (en) * | 1991-03-11 | 1992-06-30 | The Boeing Company | Broadband quantum well LED |
US5200969A (en) * | 1991-10-18 | 1993-04-06 | Xerox Corporation | Switchable multiple wavelength semiconductor laser |
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-
1987
- 1987-07-23 EP EP87306520A patent/EP0254568B1/de not_active Expired - Lifetime
- 1987-07-23 DE DE3751549T patent/DE3751549T2/de not_active Expired - Fee Related
- 1987-07-23 DE DE3751548T patent/DE3751548T2/de not_active Expired - Fee Related
- 1987-07-23 EP EP93200588A patent/EP0547043B1/de not_active Expired - Lifetime
- 1987-07-23 DE DE87306520T patent/DE3787769T2/de not_active Expired - Fee Related
- 1987-07-23 EP EP93200581A patent/EP0547038B1/de not_active Expired - Lifetime
- 1987-07-23 DE DE3751535T patent/DE3751535T2/de not_active Expired - Fee Related
- 1987-07-23 EP EP93200589A patent/EP0547044B1/de not_active Expired - Lifetime
- 1987-07-23 EP EP19930200587 patent/EP0547042A3/en not_active Withdrawn
- 1987-07-24 US US07/078,393 patent/US4817110A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0547043B1 (de) | 1995-09-27 |
EP0547042A2 (de) | 1993-06-16 |
EP0547043A3 (en) | 1993-08-11 |
DE3787769T2 (de) | 1994-02-24 |
DE3751535D1 (de) | 1995-10-26 |
EP0547044B1 (de) | 1995-09-27 |
EP0254568A3 (en) | 1988-07-20 |
DE3751549D1 (de) | 1995-11-02 |
EP0254568B1 (de) | 1993-10-13 |
EP0547044A2 (de) | 1993-06-16 |
EP0547042A3 (en) | 1993-08-18 |
EP0547038A2 (de) | 1993-06-16 |
EP0547043A2 (de) | 1993-06-16 |
EP0547038A3 (en) | 1993-08-18 |
DE3751548T2 (de) | 1996-04-11 |
DE3751549T2 (de) | 1996-03-21 |
DE3751535T2 (de) | 1996-02-22 |
EP0547038B1 (de) | 1995-09-20 |
EP0547044A3 (en) | 1993-08-11 |
US4817110A (en) | 1989-03-28 |
DE3751548D1 (de) | 1995-11-02 |
EP0254568A2 (de) | 1988-01-27 |
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