SE9802332D0 - Optisk källa med övervakning - Google Patents

Optisk källa med övervakning

Info

Publication number
SE9802332D0
SE9802332D0 SE9802332A SE9802332A SE9802332D0 SE 9802332 D0 SE9802332 D0 SE 9802332D0 SE 9802332 A SE9802332 A SE 9802332A SE 9802332 A SE9802332 A SE 9802332A SE 9802332 D0 SE9802332 D0 SE 9802332D0
Authority
SE
Sweden
Prior art keywords
waveguide
emitting surface
light
laser source
coupling medium
Prior art date
Application number
SE9802332A
Other languages
English (en)
Other versions
SE514261C2 (sv
SE9802332L (sv
Inventor
Jan Isaksson
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 SE9802332D0 publication Critical patent/SE9802332D0/sv
Publication of SE9802332L publication Critical patent/SE9802332L/sv
Publication of SE514261C2 publication Critical patent/SE514261C2/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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0225—Out-coupling of light
    • H01S5/02257—Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/02218—Material of the housings; Filling of the housings
    • H01S5/02234—Resin-filled housings; the housings being made of resin
    • 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
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
    • H01S5/0264—Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
    • 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
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Head (AREA)
SE9802332A 1997-06-28 1998-06-29 Metod och anordning för styrning av laserdiod SE514261C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9713607A GB2326760B (en) 1997-06-28 1997-06-28 Optical source with monitor

Publications (3)

Publication Number Publication Date
SE9802332D0 true SE9802332D0 (sv) 1998-06-29
SE9802332L SE9802332L (sv) 1998-12-29
SE514261C2 SE514261C2 (sv) 2001-01-29

Family

ID=10815023

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802332A SE514261C2 (sv) 1997-06-28 1998-06-29 Metod och anordning för styrning av laserdiod

Country Status (7)

Country Link
US (1) US6111903A (sv)
JP (1) JPH1187845A (sv)
CA (1) CA2241388A1 (sv)
DE (1) DE19828069A1 (sv)
FR (1) FR2765412A1 (sv)
GB (1) GB2326760B (sv)
SE (1) SE514261C2 (sv)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839305B4 (de) * 1998-08-28 2009-01-15 Siemens Ag Reflexlichtschranke
US6368890B1 (en) * 1999-05-05 2002-04-09 Mitel Semiconductor Ab Top contact VCSEL with monitor
DE19947437A1 (de) * 1999-10-02 2001-04-05 Valeo Schalter & Sensoren Gmbh Sensor
US6577656B2 (en) * 2001-03-13 2003-06-10 Finisar Corporation System and method of packaging a laser/detector
AU2002344333A1 (en) * 2001-05-17 2002-11-25 Corona Optical Systems, Inc. Method of monitoring an optical signal from a laser
WO2003084015A1 (fr) * 2002-03-28 2003-10-09 Fujitsu Limited Dispositif a reseau de lasers et procede de commande de reseau de lasers
DE10345555A1 (de) 2003-09-30 2005-05-04 Osram Opto Semiconductors Gmbh Strahlungsemittierendes und -empfangendes Halbleiterbauelement und Verfahren zu dessen Herstellung
JP4760380B2 (ja) * 2004-01-23 2011-08-31 日本電気株式会社 面発光レーザ
FR2871583A1 (fr) * 2004-06-14 2005-12-16 Commissariat Energie Atomique Dispositif de prelevement d'une partie d'un faisceau lumineux issu d'un composant electronique emetteur de lumiere
US7286581B2 (en) * 2004-08-20 2007-10-23 Avago Technologies Fiber Ip (Singapore) Pte Ltd Self-monitoring light emitting apparatus
DE102004047679B4 (de) * 2004-09-30 2017-05-04 Osram Opto Semiconductors Gmbh Optisches Sensormodul
US7343061B2 (en) * 2005-11-15 2008-03-11 The Trustees Of Princeton University Integrated photonic amplifier and detector
US7826693B2 (en) * 2006-10-26 2010-11-02 The Trustees Of Princeton University Monolithically integrated reconfigurable optical add-drop multiplexer
US8785897B2 (en) * 2007-09-05 2014-07-22 Finisar Corporation Monolithic opto-isolators
CN101990433B (zh) 2008-02-07 2014-11-05 马萨诸塞眼科耳科诊所 提高Atoh1表达的化合物
CN105572815B (zh) * 2015-12-21 2018-02-23 华进半导体封装先导技术研发中心有限公司 有源光学转接板和光互连模块
JP6414365B1 (ja) * 2017-10-03 2018-10-31 三菱電機株式会社 半導体光集積素子
EP3718183B1 (en) 2017-11-29 2023-02-15 Vixar, Inc. Power monitoring approach for vcsels and vcsel arrays
US12021349B2 (en) * 2018-03-20 2024-06-25 Vixar, Inc. Eye safe optical modules
DE102018128751A1 (de) * 2018-11-15 2020-05-20 Osram Opto Semiconductors Gmbh Halbleiterlaser
JP2020148512A (ja) * 2019-03-11 2020-09-17 ソニーセミコンダクタソリューションズ株式会社 光源モジュール、測距装置及び制御方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03274781A (ja) * 1990-03-23 1991-12-05 Rohm Co Ltd レーザダイオード
US5226052A (en) * 1990-05-08 1993-07-06 Rohm, Ltd. Laser diode system for cutting off the environment from the laser diode
KR930007024B1 (ko) * 1991-05-13 1993-07-26 삼성전자 주식회사 광픽업
JPH05144074A (ja) * 1991-11-22 1993-06-11 Sharp Corp 半導体レーザ装置
US5367530A (en) * 1992-05-29 1994-11-22 Sanyo Electric Co., Ltd. Semiconductor laser apparatus
US5247167A (en) * 1992-08-06 1993-09-21 International Business Machines Corporation Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams
JPH08161766A (ja) * 1994-11-30 1996-06-21 Sharp Corp 光ピックアップ装置

Also Published As

Publication number Publication date
JPH1187845A (ja) 1999-03-30
GB9713607D0 (en) 1997-09-03
GB2326760A (en) 1998-12-30
DE19828069A1 (de) 1999-01-14
GB2326760B (en) 2002-02-13
CA2241388A1 (en) 1998-12-28
FR2765412A1 (fr) 1999-01-01
SE514261C2 (sv) 2001-01-29
US6111903A (en) 2000-08-29
SE9802332L (sv) 1998-12-29

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Legal Events

Date Code Title Description
NUG Patent has lapsed