DE69114939D1 - Steuerung von Strömen in Laserdioden. - Google Patents

Steuerung von Strömen in Laserdioden.

Info

Publication number
DE69114939D1
DE69114939D1 DE69114939T DE69114939T DE69114939D1 DE 69114939 D1 DE69114939 D1 DE 69114939D1 DE 69114939 T DE69114939 T DE 69114939T DE 69114939 T DE69114939 T DE 69114939T DE 69114939 D1 DE69114939 D1 DE 69114939D1
Authority
DE
Germany
Prior art keywords
currents
control
laser diodes
diodes
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
Application number
DE69114939T
Other languages
English (en)
Other versions
DE69114939T2 (de
Inventor
Akira Minami
Masateru Sasaki
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69114939D1 publication Critical patent/DE69114939D1/de
Publication of DE69114939T2 publication Critical patent/DE69114939T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/126—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by photographic or thermographic registration
    • 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
    • H01S5/06832—Stabilising during amplitude modulation
    • 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
    • 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
    • H01S5/06213—Amplitude modulation
    • 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
    • H01S5/06216—Pulse modulation or generation
    • 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
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
    • 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
    • H01S5/06835—Stabilising during pulse modulation or generation
DE69114939T 1990-08-02 1991-08-02 Steuerung von Strömen in Laserdioden. Expired - Fee Related DE69114939T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2205549A JP2525943B2 (ja) 1990-08-02 1990-08-02 光学記録再生装置のレ―ザダイオ―ド制御方式

Publications (2)

Publication Number Publication Date
DE69114939D1 true DE69114939D1 (de) 1996-01-11
DE69114939T2 DE69114939T2 (de) 1996-04-25

Family

ID=16508733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114939T Expired - Fee Related DE69114939T2 (de) 1990-08-02 1991-08-02 Steuerung von Strömen in Laserdioden.

Country Status (7)

Country Link
US (1) US5197059A (de)
EP (1) EP0469929B1 (de)
JP (1) JP2525943B2 (de)
KR (1) KR940010948B1 (de)
AU (1) AU630301B2 (de)
CA (1) CA2048237C (de)
DE (1) DE69114939T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2550447B2 (ja) * 1991-05-16 1996-11-06 富士通株式会社 レーザダイオードの制御方式
US5422900A (en) * 1994-04-28 1995-06-06 Eastman Kodak Company Integrated laser module
JPH0927154A (ja) * 1995-07-10 1997-01-28 Fujitsu Ltd 光磁気ディスク装置
US5767704A (en) * 1996-08-30 1998-06-16 Larson; Francis Willard High frequency analog switch for use with a laser diode
JP2856247B2 (ja) * 1996-11-12 1999-02-10 日本電気株式会社 消光比劣化を防止するａｐｃ方式
US6049073A (en) * 1998-03-27 2000-04-11 Eastman Kodak Company Control circuit for a stabilized laser
JP2001134974A (ja) 1999-11-09 2001-05-18 Sanyo Electric Co Ltd 光ディスク記録再生装置のレーザー出力制御回路
TW470945B (en) * 2000-06-15 2002-01-01 Ind Tech Res Inst Automatic output power calibration method of the pickup head of optical storage medium
JP2002158396A (ja) * 2000-11-22 2002-05-31 Nec Corp オートレーザーパワーコントロール回路
DE10064775A1 (de) * 2000-12-22 2002-06-27 Thomson Brandt Gmbh Verfahren und Anordnung zum Regeln der Lichtleistung eines Abtaststrahls in einem Gerät zum Lesen oder zum Beschreiben optischer Aufzeichnungsträger
US20020125406A1 (en) * 2001-02-20 2002-09-12 Eastman Kodak Company System and method for improving laser power and stabilization using high duty cycle radio frequency injection
KR100857083B1 (ko) 2002-06-26 2008-09-05 주식회사 히타치엘지 데이터 스토리지 코리아 광디스크 장치에서의 기준 파워 설정방법
KR100505646B1 (ko) * 2002-10-24 2005-08-03 삼성전자주식회사 광픽업 시스템의 모니터 피디 이득 제어 장치
US7362690B2 (en) * 2003-06-19 2008-04-22 Koninklijke Philips Electronics N.V. Laser driver/method for generating a laser drive signal
TW200509111A (en) 2003-08-27 2005-03-01 Ricoh Co Ltd The control of laser emission power for recording information on optical disc
US7468998B2 (en) * 2005-03-25 2008-12-23 Pavilion Integration Corporation Radio frequency modulation of variable degree and automatic power control using external photodiode sensor for low-noise lasers of various wavelengths
JP4778287B2 (ja) * 2005-09-29 2011-09-21 株式会社日立製作所 情報記録方法及び装置
JP4647555B2 (ja) * 2006-07-13 2011-03-09 シャープ株式会社 レーザーパワー制御装置、光ディスク装置、レーザーパワー制御方法、制御プログラム、および、記録媒体
US7606273B2 (en) * 2007-10-15 2009-10-20 Pavilion Integration Corporation Wavelength and intensity stabilized laser diode and application of same to pumping solid-state lasers
US20100091806A1 (en) * 2008-10-10 2010-04-15 Pavilion Integration Corporation Semiconductor Lasers with Improved Temporal, Spectral, and Spatial Stability and Beam Profile Uniformity
TW201027522A (en) * 2009-01-09 2010-07-16 Sunplus Technology Co Ltd Methods for on-line calibrating output power of optical pick-up
JP2019047066A (ja) * 2017-09-06 2019-03-22 リコー電子デバイス株式会社 半導体レーザ駆動装置及び電子機器

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5894143A (ja) * 1981-12-01 1983-06-04 Matsushita Electric Ind Co Ltd 光学的記録再生装置
JPS60171646A (ja) * 1984-02-15 1985-09-05 Fujitsu Ltd 光デイスク装置用半導体レ−ザ駆動回路
JPH07118084B2 (ja) * 1984-04-09 1995-12-18 オリンパス光学工業株式会社 光情報再生装置
JPH0673191B2 (ja) * 1985-02-20 1994-09-14 シャープ株式会社 半導体レ−ザ駆動装置
JPS61217940A (ja) * 1985-03-25 1986-09-27 Toshiba Corp 情報記録再生装置
JPH0743841B2 (ja) * 1985-06-25 1995-05-15 シャープ株式会社 半導体レ−ザ駆動方法
JPH0622067B2 (ja) * 1985-08-20 1994-03-23 松下電器産業株式会社 半導体レ−ザ駆動装置
JPS6266424A (ja) * 1985-09-18 1987-03-25 Sharp Corp 光量制御装置
JP2557830B2 (ja) * 1985-10-16 1996-11-27 シャープ株式会社 光学的記録再生装置における光量制御装置
US4803384A (en) * 1985-10-22 1989-02-07 Fujitsu Limited Pulse amplifier suitable for use in the semiconductor laser driving device
JP2615553B2 (ja) * 1985-11-14 1997-05-28 富士通株式会社 レーザ制御装置
JP2528821B2 (ja) * 1985-11-20 1996-08-28 株式会社日立製作所 光情報処理装置
JPS62140482A (ja) * 1985-12-13 1987-06-24 Sharp Corp 半導体レ−ザ駆動回路
JPH0799584B2 (ja) * 1985-12-24 1995-10-25 株式会社日立製作所 光学式情報記録再生装置
JPH0746436B2 (ja) * 1985-12-27 1995-05-17 松下電器産業株式会社 半導体レーザの駆動装置
US4811329A (en) * 1986-06-06 1989-03-07 Mitsubishi Denki Kabushiki Kaisha Optical head with laser having particular source of driving current
JP2731223B2 (ja) * 1989-03-22 1998-03-25 オリンパス光学工業株式会社 光ディスク装置
US5059780A (en) * 1989-09-07 1991-10-22 Pioneer Electronic Corporation Light power control circuit for a semiconductor light-emitting element

Also Published As

Publication number Publication date
JP2525943B2 (ja) 1996-08-21
CA2048237C (en) 1996-02-13
CA2048237A1 (en) 1992-02-03
AU630301B2 (en) 1992-10-22
US5197059A (en) 1993-03-23
JPH0490143A (ja) 1992-03-24
AU8153891A (en) 1992-04-16
EP0469929B1 (de) 1995-11-29
EP0469929A3 (en) 1992-09-30
EP0469929A2 (de) 1992-02-05
DE69114939T2 (de) 1996-04-25
KR940010948B1 (ko) 1994-11-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee