DE69610610T2 - Oberflächenemittierender Laser mit vertikalem Resonator und Verfahren zu seiner Herstellung - Google Patents

Oberflächenemittierender Laser mit vertikalem Resonator und Verfahren zu seiner Herstellung

Info

Publication number
DE69610610T2
DE69610610T2 DE69610610T DE69610610T DE69610610T2 DE 69610610 T2 DE69610610 T2 DE 69610610T2 DE 69610610 T DE69610610 T DE 69610610T DE 69610610 T DE69610610 T DE 69610610T DE 69610610 T2 DE69610610 T2 DE 69610610T2
Authority
DE
Germany
Prior art keywords
manufacturing
same
emitting laser
surface emitting
cavity surface
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
DE69610610T
Other languages
English (en)
Other versions
DE69610610D1 (de
Inventor
Yoshitaka Ohiso
Yoshio Itoh
Chikara Amano
Yoshitaka Kohama
Kouta Tateno
Hirokazu Takenouchi
Takashi Kurokawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69610610D1 publication Critical patent/DE69610610D1/de
Application granted granted Critical
Publication of DE69610610T2 publication Critical patent/DE69610610T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H01S5/10—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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
    • H01S5/1838—Reflector bonded by wafer fusion or by an intermediate compound
    • 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
    • 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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/17—Semiconductor lasers comprising special layers
    • H01S2301/176—Specific passivation layers on surfaces other than the emission facet
    • 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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18305—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] with emission through the substrate, i.e. bottom 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
    • H01S5/10—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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
    • H01S5/18311—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement using selective oxidation
    • 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
    • H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
    • H01S5/18322—Position of the structure
    • H01S5/1833—Position of the structure with more than one 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
    • H01S5/20—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
    • H01S5/2054—Methods of obtaining the confinement
    • H01S5/2059—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion
    • H01S5/2063—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion obtained by particle bombardment
    • 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
    • H01S5/2205—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 comprising special burying or current confinement layers
    • H01S5/2222—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 comprising special burying or current confinement layers having special electric properties
    • H01S5/2224—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 comprising special burying or current confinement layers having special electric properties semi-insulating semiconductors
    • 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
    • H01S5/343—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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/34306—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 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
    • 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
    • H01S5/343—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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
    • H01S5/3434—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 in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer comprising at least both As and P as V-compounds
DE69610610T 1995-12-26 1996-12-23 Oberflächenemittierender Laser mit vertikalem Resonator und Verfahren zu seiner Herstellung Expired - Lifetime DE69610610T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33856595 1995-12-26

Publications (2)

Publication Number Publication Date
DE69610610D1 DE69610610D1 (de) 2000-11-16
DE69610610T2 true DE69610610T2 (de) 2001-05-03

Family

ID=18319378

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610610T Expired - Lifetime DE69610610T2 (de) 1995-12-26 1996-12-23 Oberflächenemittierender Laser mit vertikalem Resonator und Verfahren zu seiner Herstellung

Country Status (3)

Country Link
US (2) US5864575A (de)
EP (1) EP0784363B1 (de)
DE (1) DE69610610T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148016A (en) * 1997-11-06 2000-11-14 The Regents Of The University Of California Integrated semiconductor lasers and photodetectors
GB2333895B (en) * 1998-01-31 2003-02-26 Mitel Semiconductor Ab Pre-fusion oxidized and wafer-bonded vertical cavity laser
US6549553B1 (en) 1998-02-25 2003-04-15 Nippon Telegraph And Telephone Corporation Vertical-cavity surface-emitting semiconductor laser
US6117699A (en) * 1998-04-10 2000-09-12 Hewlett-Packard Company Monolithic multiple wavelength VCSEL array
US6975660B2 (en) 2001-12-27 2005-12-13 Finisar Corporation Vertical cavity surface emitting laser including indium and antimony in the active region
US6922426B2 (en) 2001-12-20 2005-07-26 Finisar Corporation Vertical cavity surface emitting laser including indium in the active region
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
US7257143B2 (en) * 1998-12-21 2007-08-14 Finisar Corporation Multicomponent barrier layers in quantum well active regions to enhance confinement and speed
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
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
US7095770B2 (en) 2001-12-20 2006-08-22 Finisar Corporation Vertical cavity surface emitting laser including indium, antimony and nitrogen in the active region
US7408964B2 (en) 2001-12-20 2008-08-05 Finisar Corporation Vertical cavity surface emitting laser including indium and nitrogen in the active region
US7058112B2 (en) 2001-12-27 2006-06-06 Finisar Corporation Indium free vertical cavity surface emitting laser
US6280523B1 (en) * 1999-02-05 2001-08-28 Lumileds Lighting, U.S., Llc Thickness tailoring of wafer bonded AlxGayInzN structures by laser melting
US6320206B1 (en) * 1999-02-05 2001-11-20 Lumileds Lighting, U.S., Llc Light emitting devices having wafer bonded aluminum gallium indium nitride structures and mirror stacks
US6975663B2 (en) * 2001-02-26 2005-12-13 Ricoh Company, Ltd. Surface-emission laser diode operable in the wavelength band of 1.1-7μm and optical telecommunication system using such a laser diode
AU2470301A (en) * 1999-10-29 2001-05-08 E20 Communications, Inc. Modulated integrated optically pumped vertical cavity surface emitting lasers
US6424669B1 (en) * 1999-10-29 2002-07-23 E20 Communications, Inc. Integrated optically pumped vertical cavity surface emitting laser
AU2001286614A1 (en) 2000-08-22 2002-03-04 The Regents Of The University Of California A method for aperturing vertical-cavity surface-emitting lasers (vscels)
US6631154B2 (en) 2000-08-22 2003-10-07 The Regents Of The University Of California Method of fabricating a distributed Bragg reflector having enhanced thermal and electrical properties
AUPR137700A0 (en) * 2000-11-09 2000-11-30 Australian National University, The A steerable vertical cavity surface emitting laser
US6556610B1 (en) 2001-04-12 2003-04-29 E20 Communications, Inc. Semiconductor lasers
US6717964B2 (en) 2001-07-02 2004-04-06 E20 Communications, Inc. Method and apparatus for wavelength tuning of optically pumped vertical cavity surface emitting lasers
KR100446615B1 (ko) * 2001-10-09 2004-09-04 삼성전자주식회사 반도체 레이저 다이오드 및 그 제조방법
JP4066654B2 (ja) * 2001-12-19 2008-03-26 富士ゼロックス株式会社 面発光型半導体レーザ装置及びその製造方法
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
US6798806B1 (en) * 2002-09-03 2004-09-28 Finisar Corporation Hybrid mirror VCSELs
US7433381B2 (en) * 2003-06-25 2008-10-07 Finisar Corporation InP based long wavelength VCSEL
US7860137B2 (en) 2004-10-01 2010-12-28 Finisar Corporation Vertical cavity surface emitting laser with undoped top mirror
CA2581614A1 (en) 2004-10-01 2006-04-13 Finisar Corporation Vertical cavity surface emitting laser having multiple top-side contacts
US20090295902A1 (en) * 2006-08-23 2009-12-03 Ricoh Company, Ltd. Surface-emitting laser array, optical scanning device, and image forming device
JP2008053353A (ja) * 2006-08-23 2008-03-06 Ricoh Co Ltd 面発光レーザアレイ、それに用いられる面発光レーザ素子および面発光レーザアレイの製造方法
TWI694649B (zh) * 2019-08-05 2020-05-21 聯勝光電股份有限公司 高散熱的面射型雷射結構

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206871A (en) * 1991-12-27 1993-04-27 At&T Bell Laboratories Optical devices with electron-beam evaporated multilayer mirror
JP3244529B2 (ja) * 1992-04-16 2002-01-07 アジレント・テクノロジーズ・インク 面発光型第２高調波生成素子
US5343487A (en) * 1992-10-01 1994-08-30 Optical Concepts, Inc. Electrical pumping scheme for vertical-cavity surface-emitting lasers
JP3097938B2 (ja) * 1992-10-06 2000-10-10 日本電信電話株式会社 面発光半導体レーザ
SE501635C2 (sv) * 1993-08-20 1995-04-03 Asea Brown Boveri Förfarande och anordning för utsändande av ljus med integrerad excitationskälla
JPH07335967A (ja) 1994-06-07 1995-12-22 Oki Electric Ind Co Ltd 面発光型光半導体素子及びその製造方法
US5432809A (en) * 1994-06-15 1995-07-11 Motorola, Inc. VCSEL with Al-free cavity region
JPH0878776A (ja) * 1994-09-06 1996-03-22 Fuji Xerox Co Ltd 半導体レーザ装置
US5493577A (en) * 1994-12-21 1996-02-20 Sandia Corporation Efficient semiconductor light-emitting device and method

Also Published As

Publication number Publication date
US6127200A (en) 2000-10-03
EP0784363A3 (de) 1998-05-06
US5864575A (en) 1999-01-26
DE69610610D1 (de) 2000-11-16
EP0784363B1 (de) 2000-10-11
EP0784363A2 (de) 1997-07-16

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