DE69505250D1 - Spannungskompensierte multiquantumwell-laserstruktur - Google Patents

Spannungskompensierte multiquantumwell-laserstruktur

Info

Publication number
DE69505250D1
DE69505250D1 DE69505250T DE69505250T DE69505250D1 DE 69505250 D1 DE69505250 D1 DE 69505250D1 DE 69505250 T DE69505250 T DE 69505250T DE 69505250 T DE69505250 T DE 69505250T DE 69505250 D1 DE69505250 D1 DE 69505250D1
Authority
DE
Germany
Prior art keywords
multiquant
wave laser
laser structure
voltage compensated
compensated
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
DE69505250T
Other languages
English (en)
Other versions
DE69505250T2 (de
Inventor
Yu-Hwa Lo
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.)
Cornell Research Foundation Inc
Original Assignee
Cornell Research Foundation Inc
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 Cornell Research Foundation Inc filed Critical Cornell Research Foundation Inc
Publication of DE69505250D1 publication Critical patent/DE69505250D1/de
Application granted granted Critical
Publication of DE69505250T2 publication Critical patent/DE69505250T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/10Construction 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
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/185Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
    • H01S5/187Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00Nanooptics, e.g. quantum optics or photonic crystals
    • 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
    • H01S5/10Construction 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
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18361Structure of the reflectors, e.g. hybrid mirrors
    • H01S5/18369Structure of the reflectors, e.g. hybrid mirrors based on dielectric materials
    • 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
    • H01S5/10Construction 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
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18341Intra-cavity contacts
    • 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
    • H01S5/10Construction 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
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18361Structure of the reflectors, e.g. hybrid mirrors
    • H01S5/18375Structure of the reflectors, e.g. hybrid mirrors based on metal reflectors
    • 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
    • H01S5/10Construction 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
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18386Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
    • H01S5/18394Apertures, e.g. defined by the shape of the upper electrode
    • 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
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/305Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
    • H01S5/3054Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure p-doping
    • 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
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure 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
    • H01S5/3403Structure 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 having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation
    • H01S5/3406Structure 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 having a strained layer structure in which the strain performs a special function, e.g. general strain effects, strain versus polarisation including strain compensation
    • 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
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure 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
    • H01S5/343Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34306Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength longer than 1000nm, e.g. InP based 1300 and 1500nm lasers
    • 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
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure 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
    • H01S5/343Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34313Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs
    • 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
    • H01S5/30Structure or shape of the active region; Materials used for the active region
    • H01S5/34Structure 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
    • H01S5/343Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/3434Structure 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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer comprising at least both As and P as V-compounds
    • 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
    • H01S5/4087Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
    • 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
    • H01S5/42Arrays of surface emitting lasers
    • H01S5/423Arrays of surface emitting lasers having a vertical cavity

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)
DE69505250T 1994-05-05 1995-05-04 Spannungskompensierte multiquantumwell-laserstruktur Expired - Fee Related DE69505250T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/238,500 US5491710A (en) 1994-05-05 1994-05-05 Strain-compensated multiple quantum well laser structures
PCT/US1995/005218 WO1995031021A1 (en) 1994-05-05 1995-05-04 Strain-compensated multiple quantum well laser structures

Publications (2)

Publication Number Publication Date
DE69505250D1 true DE69505250D1 (de) 1998-11-12
DE69505250T2 DE69505250T2 (de) 1999-02-25

Family

ID=22898183

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505250T Expired - Fee Related DE69505250T2 (de) 1994-05-05 1995-05-04 Spannungskompensierte multiquantumwell-laserstruktur

Country Status (6)

Country Link
US (1) US5491710A (de)
EP (1) EP0759217B1 (de)
JP (1) JPH09512138A (de)
CA (1) CA2189158A1 (de)
DE (1) DE69505250T2 (de)
WO (1) WO1995031021A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937274A (en) * 1995-01-31 1999-08-10 Hitachi, Ltd. Fabrication method for AlGaIn NPAsSb based devices
US5633886A (en) * 1995-08-28 1997-05-27 Motorola Short wavelength VCSEL with Al-free active region
US6324192B1 (en) 1995-09-29 2001-11-27 Coretek, Inc. Electrically tunable fabry-perot structure utilizing a deformable multi-layer mirror and method of making the same
US5841802A (en) * 1996-08-30 1998-11-24 Mcdonnell Douglas Corporation Multiple, isolated strained quantum well semiconductor laser
US5719894A (en) * 1996-09-25 1998-02-17 Picolight Incorporated Extended wavelength strained layer lasers having nitrogen disposed therein
US5825796A (en) * 1996-09-25 1998-10-20 Picolight Incorporated Extended wavelength strained layer lasers having strain compensated layers
US5719895A (en) * 1996-09-25 1998-02-17 Picolight Incorporated Extended wavelength strained layer lasers having short period superlattices
EP1053574A4 (de) * 1997-12-29 2002-11-06 Coretek Inc Konfokaler, mikromechanisch abstimmbarer oberflächenemittierender laser mit vertikalem resonator und fabry-perot-filter
US6438149B1 (en) 1998-06-26 2002-08-20 Coretek, Inc. Microelectromechanically tunable, confocal, vertical cavity surface emitting laser and fabry-perot filter
US6813291B2 (en) 1998-06-26 2004-11-02 Coretek Inc Tunable fabry-perot filter and tunable vertical cavity surface emitting laser
US6584126B2 (en) 1998-06-26 2003-06-24 Coretek, Inc. Tunable Fabry-Perot filter and tunable vertical cavity surface emitting laser
US7167495B2 (en) 1998-12-21 2007-01-23 Finisar Corporation Use of GaAs extended barrier layers between active regions containing nitrogen and AlGaAs confining layers
US6922426B2 (en) 2001-12-20 2005-07-26 Finisar Corporation Vertical cavity surface emitting laser including indium in the active region
US7058112B2 (en) 2001-12-27 2006-06-06 Finisar Corporation Indium free vertical cavity surface emitting laser
US7408964B2 (en) 2001-12-20 2008-08-05 Finisar Corporation Vertical cavity surface emitting laser including indium and nitrogen in the active region
US7435660B2 (en) * 1998-12-21 2008-10-14 Finisar Corporation Migration enhanced epitaxy fabrication of active regions having quantum wells
US7286585B2 (en) * 1998-12-21 2007-10-23 Finisar Corporation Low temperature grown layers with migration enhanced epitaxy adjacent to an InGaAsN(Sb) based active region
US7257143B2 (en) * 1998-12-21 2007-08-14 Finisar Corporation Multicomponent barrier layers in quantum well active regions to enhance confinement and speed
US7095770B2 (en) 2001-12-20 2006-08-22 Finisar Corporation Vertical cavity surface emitting laser including indium, antimony and nitrogen in the active region
US6603784B1 (en) * 1998-12-21 2003-08-05 Honeywell International Inc. Mechanical stabilization of lattice mismatched quantum wells
US20030219917A1 (en) * 1998-12-21 2003-11-27 Johnson Ralph H. System and method using migration enhanced epitaxy for flattening active layers and the mechanical stabilization of quantum wells associated with vertical cavity surface emitting lasers
US6975660B2 (en) 2001-12-27 2005-12-13 Finisar Corporation Vertical cavity surface emitting laser including indium and antimony in the active region
US6341137B1 (en) 1999-04-27 2002-01-22 Gore Enterprise Holdings, Inc. Wavelength division multiplexed array of long-wavelength vertical cavity lasers
JP3586594B2 (ja) * 1999-08-25 2004-11-10 シャープ株式会社 半導体発光素子およびその製造方法
JP2001298212A (ja) * 2000-02-07 2001-10-26 Sharp Corp 半導体発光素子およびその製造方法
US6963597B2 (en) * 2000-04-28 2005-11-08 Photodigm, Inc. Grating-outcoupled surface-emitting lasers
JP2004535679A (ja) * 2001-07-12 2004-11-25 テクストロン システムズ コーポレーション ジグザグレーザおよび光増幅器のための半導体
JP5143985B2 (ja) * 2001-08-10 2013-02-13 古河電気工業株式会社 分布帰還型半導体レーザ素子
US7295586B2 (en) * 2002-02-21 2007-11-13 Finisar Corporation Carbon doped GaAsSb suitable for use in tunnel junctions of long-wavelength VCSELs
US6822995B2 (en) * 2002-02-21 2004-11-23 Finisar Corporation GaAs/AI(Ga)As distributed bragg reflector on InP
US20030235224A1 (en) * 2002-06-19 2003-12-25 Ohlander Ulf Roald Strained quantum-well structure having ternary-alloy material in both quantum-well layers and barrier layers
US6970488B2 (en) * 2002-10-16 2005-11-29 Eastman Kodak Company Tunable organic VCSEL system
TWI275222B (en) * 2003-05-23 2007-03-01 Rohm & Haas Elect Mat External cavity semi-conductor laser and method for fabrication thereof
JP2007529910A (ja) * 2004-03-19 2007-10-25 アリゾナ ボード オブ リージェンツ 横モード制御による高出力vcsel
US7860143B2 (en) * 2004-04-30 2010-12-28 Finisar Corporation Metal-assisted DBRs for thermal management in VCSELs
CA2581614A1 (en) * 2004-10-01 2006-04-13 Finisar Corporation Vertical cavity surface emitting laser having multiple top-side contacts
US7860137B2 (en) * 2004-10-01 2010-12-28 Finisar Corporation Vertical cavity surface emitting laser with undoped top mirror
US7376169B2 (en) * 2005-03-07 2008-05-20 Joseph Reid Henrichs Optical phase conjugation laser diode
US20080239494A1 (en) * 2005-08-16 2008-10-02 Zander Dennis R Tunable Light Filter
WO2007103527A2 (en) 2006-03-07 2007-09-13 Brenner Mary K Red light laser
US7433376B1 (en) 2006-08-07 2008-10-07 Textron Systems Corporation Zig-zag laser with improved liquid cooling
US7586970B2 (en) 2007-02-23 2009-09-08 Alfalight, Inc. High efficiency partial distributed feedback (p-DFB) laser
KR100949571B1 (ko) * 2008-01-21 2010-03-25 포항공과대학교 산학협력단 광양자테 레이저 및 그 제조 방법
US8837890B2 (en) * 2012-05-31 2014-09-16 Corning Incorporated Multimode optical fiber and system comprising such fiber
US9438009B2 (en) * 2013-05-31 2016-09-06 Danmarks Tekniske Universitet Wavelength tunable photon source with sealed inner volume
US20200381897A1 (en) * 2019-06-03 2020-12-03 Mellanox Technologies, Ltd. Vertical-cavity surface-emitting laser with characteristic wavelength of 910 nm

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1275485C (en) * 1985-05-15 1990-10-23 Hideki Hayashi Quantum well light emitting device with diffraction grating
US4815083A (en) * 1985-06-27 1989-03-21 Nec Corporation Buried heterostructure semiconductor laser with high-resistivity semiconductor layer for current confinement
US4881235A (en) * 1985-07-26 1989-11-14 Hitachi, Ltd. Semiconductor laser having a multiple quantum well structure doped with impurities
US4750801A (en) * 1985-09-30 1988-06-14 American Telephone And Telegraph Company, At&T Bell Laboratories Optical waveguide resonator filters
US4800100A (en) * 1987-10-27 1989-01-24 Massachusetts Institute Of Technology Combined ion and molecular beam apparatus and method for depositing materials
US5034958A (en) * 1990-04-19 1991-07-23 Bell Communications Research, Inc. Front-surface emitting diode laser
JPH0422185A (ja) * 1990-05-17 1992-01-27 Mitsubishi Electric Corp 半導体光素子
US5103456A (en) * 1990-07-30 1992-04-07 Spectra Diode Laboratories, Inc. Broad beam laser diode with integrated amplifier
US5070509A (en) * 1990-08-09 1991-12-03 Eastman Kodak Company Surface emitting, low threshold (SELTH) laser diode
US5131001A (en) * 1990-12-21 1992-07-14 David Sarnoff Research Center, Inc. Monolithic semiconductor light emitter and amplifier
FR2671238B1 (fr) * 1990-12-28 1993-03-12 Thomson Csf Procede de realisation de lasers semiconducteurs a emission de surface, et lasers obtenus par le procede.
US5159603A (en) * 1991-06-05 1992-10-27 United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Quantum well, beam deflecting surface emitting lasers
JP2961964B2 (ja) * 1991-07-10 1999-10-12 日本電気株式会社 半導体レーザ装置
US5164949A (en) * 1991-09-09 1992-11-17 Motorola, Inc. Vertical cavity surface emitting laser with lateral injection
US5164956A (en) * 1991-10-21 1992-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multiperiod-grating surface-emitting lasers
JPH05145178A (ja) * 1991-11-18 1993-06-11 Furukawa Electric Co Ltd:The 歪量子井戸半導体レーザ素子
US5212702A (en) * 1992-03-25 1993-05-18 At&T Bell Laboratories Semiconductor surface emitting laser having reduced threshold voltage and enhanced optical output
US5251225A (en) * 1992-05-08 1993-10-05 Massachusetts Institute Of Technology Quantum-well diode laser
JP2785167B2 (ja) * 1992-06-29 1998-08-13 国際電信電話株式会社 多重量子井戸構造および多重量子井戸構造を用いた半導体素子
EP0606821A1 (de) * 1993-01-11 1994-07-20 International Business Machines Corporation Lichtemittierende Heterostrukturen mit modulierter Gitterverformung
US5412680A (en) * 1994-03-18 1995-05-02 Photonics Research Incorporated Linear polarization of semiconductor laser

Also Published As

Publication number Publication date
CA2189158A1 (en) 1995-11-16
DE69505250T2 (de) 1999-02-25
EP0759217A1 (de) 1997-02-26
EP0759217A4 (de) 1997-08-13
EP0759217B1 (de) 1998-10-07
JPH09512138A (ja) 1997-12-02
US5491710A (en) 1996-02-13
WO1995031021A1 (en) 1995-11-16

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