SE9900338L - Ytemitterande laser med vertikal kavitet - Google Patents

Ytemitterande laser med vertikal kavitet

Info

Publication number
SE9900338L
SE9900338L SE9900338A SE9900338A SE9900338L SE 9900338 L SE9900338 L SE 9900338L SE 9900338 A SE9900338 A SE 9900338A SE 9900338 A SE9900338 A SE 9900338A SE 9900338 L SE9900338 L SE 9900338L
Authority
SE
Sweden
Prior art keywords
surface emitting
vertical cavity
laser
emitting laser
electrode
Prior art date
Application number
SE9900338A
Other languages
English (en)
Other versions
SE9900338D0 (sv
Inventor
Vilhelm Oscarsson
Jan Jonsson
Original Assignee
Mitel Semiconductor Ab
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 Mitel Semiconductor Ab filed Critical Mitel Semiconductor Ab
Publication of SE9900338D0 publication Critical patent/SE9900338D0/sv
Publication of SE9900338L publication Critical patent/SE9900338L/sv

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]
    • H01S5/18355—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 defined polarisation
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0425—Electrodes, e.g. characterised by the structure
    • H01S5/04254—Electrodes, e.g. characterised by the structure characterised by the shape
    • 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]
    • H01S5/18344—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] characterized by the mesa, e.g. dimensions or shape of the mesa
    • H01S5/1835—Non-circular mesa
    • 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]
    • H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
    • H01S5/18394—Apertures, e.g. defined by the shape of the upper electrode

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
SE9900338A 1998-01-31 1999-02-01 Ytemitterande laser med vertikal kavitet SE9900338L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9802049A GB2333896B (en) 1998-01-31 1998-01-31 Vertical cavity surface emitting laser

Publications (2)

Publication Number Publication Date
SE9900338D0 SE9900338D0 (sv) 1999-02-01
SE9900338L true SE9900338L (sv) 1999-08-01

Family

ID=10826198

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900338A SE9900338L (sv) 1998-01-31 1999-02-01 Ytemitterande laser med vertikal kavitet

Country Status (6)

Country Link
US (1) US6356573B1 (sv)
CA (1) CA2259802A1 (sv)
DE (1) DE19903355A1 (sv)
FR (1) FR2774518B1 (sv)
GB (1) GB2333896B (sv)
SE (1) SE9900338L (sv)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3133004B2 (ja) * 1996-11-21 2001-02-05 株式会社日立製作所 ディスクアレイ装置およびその制御方法
US6791555B1 (en) * 2000-06-23 2004-09-14 Micron Technology, Inc. Apparatus and method for distributed memory control in a graphics processing system
US7133972B2 (en) * 2002-06-07 2006-11-07 Micron Technology, Inc. Memory hub with internal cache and/or memory access prediction
US7200024B2 (en) * 2002-08-02 2007-04-03 Micron Technology, Inc. System and method for optically interconnecting memory devices
US7117316B2 (en) * 2002-08-05 2006-10-03 Micron Technology, Inc. Memory hub and access method having internal row caching
US7254331B2 (en) * 2002-08-09 2007-08-07 Micron Technology, Inc. System and method for multiple bit optical data transmission in memory systems
US7149874B2 (en) * 2002-08-16 2006-12-12 Micron Technology, Inc. Memory hub bypass circuit and method
US6820181B2 (en) * 2002-08-29 2004-11-16 Micron Technology, Inc. Method and system for controlling memory accesses to memory modules having a memory hub architecture
US7836252B2 (en) * 2002-08-29 2010-11-16 Micron Technology, Inc. System and method for optimizing interconnections of memory devices in a multichip module
US7102907B2 (en) * 2002-09-09 2006-09-05 Micron Technology, Inc. Wavelength division multiplexed memory module, memory system and method
WO2004034525A2 (en) * 2002-10-11 2004-04-22 Ziva Corporation Current-controlled polarization switching vertical cavity surface emitting laser
US7245145B2 (en) * 2003-06-11 2007-07-17 Micron Technology, Inc. Memory module and method having improved signal routing topology
US7120727B2 (en) 2003-06-19 2006-10-10 Micron Technology, Inc. Reconfigurable memory module and method
US7260685B2 (en) * 2003-06-20 2007-08-21 Micron Technology, Inc. Memory hub and access method having internal prefetch buffers
US7107415B2 (en) * 2003-06-20 2006-09-12 Micron Technology, Inc. Posted write buffers and methods of posting write requests in memory modules
US7428644B2 (en) * 2003-06-20 2008-09-23 Micron Technology, Inc. System and method for selective memory module power management
US7389364B2 (en) * 2003-07-22 2008-06-17 Micron Technology, Inc. Apparatus and method for direct memory access in a hub-based memory system
US7210059B2 (en) * 2003-08-19 2007-04-24 Micron Technology, Inc. System and method for on-board diagnostics of memory modules
US7133991B2 (en) * 2003-08-20 2006-11-07 Micron Technology, Inc. Method and system for capturing and bypassing memory transactions in a hub-based memory system
US7136958B2 (en) 2003-08-28 2006-11-14 Micron Technology, Inc. Multiple processor system and method including multiple memory hub modules
US20050050237A1 (en) * 2003-08-28 2005-03-03 Jeddeloh Joseph M. Memory module and method having on-board data search capabilities and processor-based system using such memory modules
US7310752B2 (en) 2003-09-12 2007-12-18 Micron Technology, Inc. System and method for on-board timing margin testing of memory modules
US7194593B2 (en) * 2003-09-18 2007-03-20 Micron Technology, Inc. Memory hub with integrated non-volatile memory
US7120743B2 (en) 2003-10-20 2006-10-10 Micron Technology, Inc. Arbitration system and method for memory responses in a hub-based memory system
US7234070B2 (en) * 2003-10-27 2007-06-19 Micron Technology, Inc. System and method for using a learning sequence to establish communications on a high-speed nonsynchronous interface in the absence of clock forwarding
US7330992B2 (en) 2003-12-29 2008-02-12 Micron Technology, Inc. System and method for read synchronization of memory modules
US7216196B2 (en) * 2003-12-29 2007-05-08 Micron Technology, Inc. Memory hub and method for memory system performance monitoring
US7188219B2 (en) * 2004-01-30 2007-03-06 Micron Technology, Inc. Buffer control system and method for a memory system having outstanding read and write request buffers
US7788451B2 (en) 2004-02-05 2010-08-31 Micron Technology, Inc. Apparatus and method for data bypass for a bi-directional data bus in a hub-based memory sub-system
US7412574B2 (en) * 2004-02-05 2008-08-12 Micron Technology, Inc. System and method for arbitration of memory responses in a hub-based memory system
US7181584B2 (en) * 2004-02-05 2007-02-20 Micron Technology, Inc. Dynamic command and/or address mirroring system and method for memory modules
US7366864B2 (en) * 2004-03-08 2008-04-29 Micron Technology, Inc. Memory hub architecture having programmable lane widths
US7257683B2 (en) 2004-03-24 2007-08-14 Micron Technology, Inc. Memory arbitration system and method having an arbitration packet protocol
US7120723B2 (en) * 2004-03-25 2006-10-10 Micron Technology, Inc. System and method for memory hub-based expansion bus
US7213082B2 (en) * 2004-03-29 2007-05-01 Micron Technology, Inc. Memory hub and method for providing memory sequencing hints
US7447240B2 (en) * 2004-03-29 2008-11-04 Micron Technology, Inc. Method and system for synchronizing communications links in a hub-based memory system
US6980042B2 (en) * 2004-04-05 2005-12-27 Micron Technology, Inc. Delay line synchronizer apparatus and method
US7590797B2 (en) * 2004-04-08 2009-09-15 Micron Technology, Inc. System and method for optimizing interconnections of components in a multichip memory module
US7162567B2 (en) * 2004-05-14 2007-01-09 Micron Technology, Inc. Memory hub and method for memory sequencing
US7222213B2 (en) * 2004-05-17 2007-05-22 Micron Technology, Inc. System and method for communicating the synchronization status of memory modules during initialization of the memory modules
US7363419B2 (en) 2004-05-28 2008-04-22 Micron Technology, Inc. Method and system for terminating write commands in a hub-based memory system
US7310748B2 (en) * 2004-06-04 2007-12-18 Micron Technology, Inc. Memory hub tester interface and method for use thereof
US7519788B2 (en) * 2004-06-04 2009-04-14 Micron Technology, Inc. System and method for an asynchronous data buffer having buffer write and read pointers
US7392331B2 (en) * 2004-08-31 2008-06-24 Micron Technology, Inc. System and method for transmitting data packets in a computer system having a memory hub architecture
US20060168407A1 (en) * 2005-01-26 2006-07-27 Micron Technology, Inc. Memory hub system and method having large virtual page size
GB2442767A (en) * 2006-10-10 2008-04-16 Firecomms Ltd A vertical cavity surface emitting optical device
US7783145B2 (en) 2007-10-15 2010-08-24 Hewlett-Packard Development Company, L.P. Electrode having nanofilaments
US11451009B2 (en) * 2019-04-18 2022-09-20 Lumentum Operations Llc Vertical cavity surface emitting laser mode control
WO2024043316A1 (ja) * 2022-08-25 2024-02-29 国立大学法人京都大学 ２次元フォトニック結晶レーザ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5511371A (en) * 1978-07-10 1980-01-26 Mitsubishi Electric Corp Semiconductor laser system
JPS55115386A (en) * 1979-02-26 1980-09-05 Hitachi Ltd Semiconductor laser unit
JPS6170773A (ja) * 1984-09-14 1986-04-11 Matsushita Electric Ind Co Ltd 光半導体装置
US4864370A (en) * 1987-11-16 1989-09-05 Motorola, Inc. Electrical contact for an LED
US5115442A (en) 1990-04-13 1992-05-19 At&T Bell Laboratories Top-emitting surface emitting laser structures
US5253262A (en) * 1990-10-31 1993-10-12 Kabushiki Kaisha Toshiba Semiconductor laser device with multi-directional reflector arranged therein
US5262360A (en) 1990-12-31 1993-11-16 The Board Of Trustees Of The University Of Illinois AlGaAs native oxide
US5309001A (en) * 1991-11-25 1994-05-03 Sharp Kabushiki Kaisha Light-emitting diode having a surface electrode of a tree-like form
JP3095545B2 (ja) * 1992-09-29 2000-10-03 株式会社東芝 面発光型半導体発光装置およびその製造方法
US5343487A (en) 1992-10-01 1994-08-30 Optical Concepts, Inc. Electrical pumping scheme for vertical-cavity surface-emitting lasers
US5345462A (en) * 1993-03-29 1994-09-06 At&T Bell Laboratories Semiconductor surface emitting laser having enhanced polarization control and transverse mode selectivity
US5533042A (en) * 1993-10-12 1996-07-02 Fuji Xerox Co., Ltd. Semiconductor laser device and driving method for the same as well as tracking servo system employing the same
JPH07176787A (ja) * 1993-10-25 1995-07-14 Omron Corp 半導体発光素子、発光装置、光結合装置、光学検知装置、光学的情報処理装置、投光器及び光ファイバモジュール
DE19517697A1 (de) * 1995-05-13 1996-11-14 Telefunken Microelectron Strahlungsemittierende Diode

Also Published As

Publication number Publication date
SE9900338D0 (sv) 1999-02-01
FR2774518B1 (fr) 2002-09-13
US6356573B1 (en) 2002-03-12
DE19903355A1 (de) 1999-09-09
GB2333896B (en) 2003-04-09
FR2774518A1 (fr) 1999-08-06
GB9802049D0 (en) 1998-03-25
GB2333896A (en) 1999-08-04
CA2259802A1 (en) 1999-07-31

Similar Documents

Publication Publication Date Title
SE9900338L (sv) Ytemitterande laser med vertikal kavitet
CA2037013A1 (en) Top-emitting surface emitting laser structures
ES2170862T3 (es) Fabricacion de un dispositivo semiconductor.
AR039754A2 (es) Lente electroactiva
DE60319999D1 (de) Batterie mit erhöhter elektrodenoberfläche und mit erhöhter aktivmaterial-dichte
EP0737376A1 (en) Integrated laser power monitor
DE69902421D1 (de) Halbleiterlaser mit erhöhter Ausgangsleistung
EA199900430A1 (ru) Тисненый материал
PL1766740T3 (pl) Przestrajalny unipolarny laser
DE60129261D1 (de) Halbleiterlaser mit Gebiet ohne Stromzuführung in der Nähe einer Resonatorendfläche
ES545171A0 (es) Conducto enterrado,destinado a ser colocado en el fondo de una zanja y recubierto por un terraplen
CA1271550C (en) SEMICONDUCTOR LUMINESCENT DEVICE, ILLUMINATING VERTICALLY
DE3785347D1 (de) Polarographisch-amperometrischer messwertaufnehmer.
AR036493A1 (es) Material de pelicula y metodo de administrar una sustancia volatil
DE69007461D1 (de) Oberflächenemittierender Halbleiterlaser mit lateralem Elektrodenkontakt.
NO996568D0 (no) Fremgangsmåte for elektrokjemisk behandling av betong
ATE295623T1 (de) Phasenverschobene oberflächenemittierende dfb laserstrukturen mit verstärkenden oder absorbierenden gittern
DE60107581D1 (de) Vielfachsegmentierter integrierter laser und herstellungsverfahren
DE69805801D1 (de) Ringlaserkreisel mit ionenfallenelektrode
DE69624447D1 (de) Gaslaser mit rechteckigem Entladungsraum
ATE357760T1 (de) Oberflächenemittierender halbleiterlaser mit strukturiertem wellenleiter
JPS577984A (en) Semiconductor light emitting device
JPS57145385A (en) Method for generating light pulse train
DE68925784D1 (de) Halbleiterlaser mit geteilter Elektrode
IT241780Y1 (it) Torcia per taglio al plasma con raffreddamento ad acqua della testadell'elettrodo

Legal Events

Date Code Title Description
NAV Patent application has lapsed