DE69507373D1 - Lasermodulationsregler unter Verwendung einer elektrischen NRZ-Modulationsaussteuerungsregelung - Google Patents

Lasermodulationsregler unter Verwendung einer elektrischen NRZ-Modulationsaussteuerungsregelung

Info

Publication number
DE69507373D1
DE69507373D1 DE69507373T DE69507373T DE69507373D1 DE 69507373 D1 DE69507373 D1 DE 69507373D1 DE 69507373 T DE69507373 T DE 69507373T DE 69507373 T DE69507373 T DE 69507373T DE 69507373 D1 DE69507373 D1 DE 69507373D1
Authority
DE
Germany
Prior art keywords
circuit
laser
control
signal
driver
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
DE69507373T
Other languages
English (en)
Other versions
DE69507373T2 (de
Inventor
Gordon Williams Ries
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Publication of DE69507373D1 publication Critical patent/DE69507373D1/de
Application granted granted Critical
Publication of DE69507373T2 publication Critical patent/DE69507373T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
DE69507373T 1994-05-11 1995-05-11 Lasermodulationsregler unter Verwendung einer elektrischen NRZ-Modulationsaussteuerungsregelung Expired - Fee Related DE69507373T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/240,841 US5408485A (en) 1994-05-11 1994-05-11 Laser modulation controller using NRZ electrical modulation level control

Publications (2)

Publication Number Publication Date
DE69507373D1 true DE69507373D1 (de) 1999-03-04
DE69507373T2 DE69507373T2 (de) 1999-07-01

Family

ID=22908163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69507373T Expired - Fee Related DE69507373T2 (de) 1994-05-11 1995-05-11 Lasermodulationsregler unter Verwendung einer elektrischen NRZ-Modulationsaussteuerungsregelung

Country Status (6)

Country Link
US (1) US5408485A (de)
EP (1) EP0682392B1 (de)
AT (1) ATE176099T1 (de)
CA (1) CA2141714A1 (de)
DE (1) DE69507373T2 (de)
ES (1) ES2127964T3 (de)

Families Citing this family (27)

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IT1268058B1 (it) * 1994-05-20 1997-02-20 Cselt Centro Studi Lab Telec O Procedimento e dispositivo per il controllo della potenza di picco di un trasmettitore laser in sistemi di trasmissione ottica discontinua.
US5535038A (en) * 1994-06-17 1996-07-09 Hinch; Stephen W. Apparatus and method for determining extinction ratio of digital laser transmitters
JP3241246B2 (ja) * 1995-11-16 2001-12-25 富士通株式会社 レーザダイオード電流制御回路
US5802089A (en) * 1996-10-22 1998-09-01 Maxim Integrated Products, Inc. Laser diode driver having automatic power control with smooth enable function
US5930277A (en) * 1996-11-26 1999-07-27 Tony Investment Co., Ltd. Power saving device for visible laser diode apparatus
US5809049A (en) * 1996-12-19 1998-09-15 Lucent Technologies Inc. Method and apparatus for monitoring the RF drive circuit of a linear laser transmitter
US6707833B1 (en) * 2000-03-31 2004-03-16 Marconi Communications, Inc. Digital laser driver circuit
WO2002037622A2 (en) 2000-11-06 2002-05-10 Vitesse Semiconductor Corporation Method of controlling the turn off characteristics of a vcsel diode
US7173551B2 (en) * 2000-12-21 2007-02-06 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
US7149256B2 (en) 2001-03-29 2006-12-12 Quellan, Inc. Multilevel pulse position modulation for efficient fiber optic communication
US7307569B2 (en) * 2001-03-29 2007-12-11 Quellan, Inc. Increasing data throughput in optical fiber transmission systems
DE60238602D1 (de) * 2001-04-04 2011-01-27 Quellan Inc Verfahren und system zum decodieren von mehrpegelsignalen
US7212580B2 (en) * 2002-02-15 2007-05-01 Quellan, Inc. Multi-level signal clock recovery technique
US6816101B2 (en) * 2002-03-08 2004-11-09 Quelian, Inc. High-speed analog-to-digital converter using a unique gray code
US20030198478A1 (en) * 2002-04-23 2003-10-23 Quellan, Inc. Method and system for generating and decoding a bandwidth efficient multi-level signal
JP4704659B2 (ja) * 2002-04-26 2011-06-15 株式会社日立製作所 記憶装置システムの制御方法および記憶制御装置
JP2004013681A (ja) * 2002-06-10 2004-01-15 Bosu & K Consulting Kk 名刺情報管理システム
AU2003256569A1 (en) 2002-07-15 2004-02-02 Quellan, Inc. Adaptive noise filtering and equalization
JP2004110367A (ja) * 2002-09-18 2004-04-08 Hitachi Ltd 記憶装置システムの制御方法、記憶制御装置、および記憶装置システム
AU2003287628A1 (en) 2002-11-12 2004-06-03 Quellan, Inc. High-speed analog-to-digital conversion with improved robustness to timing uncertainty
US7804760B2 (en) * 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
US7050388B2 (en) * 2003-08-07 2006-05-23 Quellan, Inc. Method and system for crosstalk cancellation
EP1687929B1 (de) 2003-11-17 2010-11-10 Quellan, Inc. Verfahren und system zur löschung von antennenstörungen
US7616700B2 (en) * 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
US7522883B2 (en) 2004-12-14 2009-04-21 Quellan, Inc. Method and system for reducing signal interference
US7725079B2 (en) * 2004-12-14 2010-05-25 Quellan, Inc. Method and system for automatic control in an interference cancellation device
JP5078991B2 (ja) * 2006-04-26 2012-11-21 ケラン エルエルシー 通信チャネルからの放射性放出を削減する方法とシステム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61262327A (ja) * 1985-05-16 1986-11-20 Mitsubishi Electric Corp レ−ザダイオ−ドのアナログ変調回路
US4868836A (en) * 1986-02-27 1989-09-19 Spectra-Physics, Inc. Laser diode power control and modulator circuit
US4789987A (en) * 1987-07-01 1988-12-06 Rockwell International Corporation Automatic modulation control apparatus
JP2523141B2 (ja) * 1987-10-02 1996-08-07 富士通株式会社 発光素子駆動回路
US4757508A (en) * 1987-12-07 1988-07-12 The Grass Valley Group, Inc. Tracking modulation limiter for lasers
US5003624A (en) * 1990-03-29 1991-03-26 Hughes Aircraft Company Automatic bias controller for electro-optic modulator
US5309269A (en) * 1991-04-04 1994-05-03 Mitsubishi Denki Kabushiki Kaisha Light transmitter
US5212700A (en) * 1991-07-24 1993-05-18 Sumitomo Electric Industries, Ltd. Modulation circuit for a light emission device
US5268916A (en) * 1992-06-15 1993-12-07 Alcatel Network Systems, Inc. Laser bias and modulation circuit

Also Published As

Publication number Publication date
EP0682392B1 (de) 1999-01-20
ES2127964T3 (es) 1999-05-01
ATE176099T1 (de) 1999-02-15
CA2141714A1 (en) 1995-11-12
US5408485A (en) 1995-04-18
EP0682392A1 (de) 1995-11-15
DE69507373T2 (de) 1999-07-01

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL, PARIS, FR

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR

8339 Ceased/non-payment of the annual fee