ATE374424T1 - System zur verringerung von rückkopplungsrauschen aufgrund von relaxationsoszillation in optischen datenaufzeichnungs-wiedergabe-systemen durch verwendung eines optimierten externen resonators - Google Patents

System zur verringerung von rückkopplungsrauschen aufgrund von relaxationsoszillation in optischen datenaufzeichnungs-wiedergabe-systemen durch verwendung eines optimierten externen resonators

Info

Publication number
ATE374424T1
ATE374424T1 AT05702305T AT05702305T ATE374424T1 AT E374424 T1 ATE374424 T1 AT E374424T1 AT 05702305 T AT05702305 T AT 05702305T AT 05702305 T AT05702305 T AT 05702305T AT E374424 T1 ATE374424 T1 AT E374424T1
Authority
AT
Austria
Prior art keywords
relaxation oscillation
feedback noise
data recording
optical data
noise due
Prior art date
Application number
AT05702305T
Other languages
English (en)
Inventor
Hooft Gert Wim T
Johannes Joseph Hube Schleipen
De Nes Arthur Siewert Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE374424T1 publication Critical patent/ATE374424T1/de

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
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • 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
    • H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
    • H01S5/0656—Seeding, i.e. an additional light input is provided for controlling the laser modes, for example by back-reflecting light from an external optical component
    • 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
    • H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
    • H01S5/0658—Self-pulsating

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
AT05702305T 2004-02-09 2005-01-19 System zur verringerung von rückkopplungsrauschen aufgrund von relaxationsoszillation in optischen datenaufzeichnungs-wiedergabe-systemen durch verwendung eines optimierten externen resonators ATE374424T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04300068 2004-02-09

Publications (1)

Publication Number Publication Date
ATE374424T1 true ATE374424T1 (de) 2007-10-15

Family

ID=34878341

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702305T ATE374424T1 (de) 2004-02-09 2005-01-19 System zur verringerung von rückkopplungsrauschen aufgrund von relaxationsoszillation in optischen datenaufzeichnungs-wiedergabe-systemen durch verwendung eines optimierten externen resonators

Country Status (9)

Country Link
US (1) US20080144475A1 (de)
EP (1) EP1719124B1 (de)
JP (1) JP2007522594A (de)
KR (1) KR20060132902A (de)
CN (1) CN1918640A (de)
AT (1) ATE374424T1 (de)
DE (1) DE602005002627T2 (de)
TW (1) TW200540810A (de)
WO (1) WO2005081236A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009544110A (ja) * 2006-07-17 2009-12-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高い複屈折性をもつ光キャリアを再生可能な光ドライブ
GB2454066A (en) 2007-10-23 2009-04-29 Toshiba Kk Optical head with laser cavity length defining relaxation pulse duration
JP2009104753A (ja) * 2007-10-25 2009-05-14 Toshiba Corp 光ヘッド装置およびそれを用いた情報記録再生装置
JP2009110602A (ja) * 2007-10-30 2009-05-21 Toshiba Corp 光ディスク装置及び光ディスク処理方法
JP2009181661A (ja) * 2008-01-31 2009-08-13 Toshiba Corp 情報記録装置及びその制御方法
JP5332462B2 (ja) 2008-09-29 2013-11-06 ソニー株式会社 短パルス光源、レーザ光出射方法、光学装置、光ディスク装置及び光ピックアップ
JP5338234B2 (ja) * 2008-09-30 2013-11-13 ソニー株式会社 短パルス光源、レーザ光出射方法、光学装置、光ディスク装置及び光ピックアップ
KR20110056257A (ko) 2008-10-03 2011-05-26 소니 주식회사 광 픽업, 광 정보 기록 방법 및 광 디스크 장치
JP5181989B2 (ja) * 2008-10-03 2013-04-10 ソニー株式会社 短パルス光源装置、レーザ駆動方法、光ピックアップ及び光ディスク装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175045A (ja) * 1983-03-23 1984-10-03 Hitachi Ltd 光学システム
US5034942A (en) * 1987-07-29 1991-07-23 Hitachi, Ltd. System having a function of reproducing optical information
JPH0589465A (ja) * 1991-06-28 1993-04-09 Hitachi Ltd 光学式情報記録再生方法およびその装置
JP3234429B2 (ja) * 1995-01-17 2001-12-04 日本電信電話株式会社 モード同期レーザの動作安定化装置
JPH09293258A (ja) * 1996-04-23 1997-11-11 Sharp Corp 光学式情報再生装置
JP3780650B2 (ja) * 1997-08-05 2006-05-31 ソニー株式会社 半導体レーザの平均光出力の設定方法および半導体レーザの高周波電流の重畳条件の設定方法
JP2002184010A (ja) * 2000-12-08 2002-06-28 Hitachi Ltd 光ディスク装置
JP2003289171A (ja) * 2002-01-23 2003-10-10 Sony Corp 半導体レーザ駆動回路及びその方法

Also Published As

Publication number Publication date
DE602005002627D1 (de) 2007-11-08
DE602005002627T2 (de) 2008-06-05
EP1719124B1 (de) 2007-09-26
KR20060132902A (ko) 2006-12-22
JP2007522594A (ja) 2007-08-09
US20080144475A1 (en) 2008-06-19
WO2005081236A1 (en) 2005-09-01
EP1719124A1 (de) 2006-11-08
CN1918640A (zh) 2007-02-21
TW200540810A (en) 2005-12-16

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