ATE176099T1 - Lasermodulationsregler unter verwendung einer elektrischen nrz-modulationsaussteuerungsregelung - Google Patents

Lasermodulationsregler unter verwendung einer elektrischen nrz-modulationsaussteuerungsregelung

Info

Publication number
ATE176099T1
ATE176099T1 AT95107185T AT95107185T ATE176099T1 AT E176099 T1 ATE176099 T1 AT E176099T1 AT 95107185 T AT95107185 T AT 95107185T AT 95107185 T AT95107185 T AT 95107185T AT E176099 T1 ATE176099 T1 AT E176099T1
Authority
AT
Austria
Prior art keywords
control
circuit
laser
signal
modulation
Prior art date
Application number
AT95107185T
Other languages
English (en)
Inventor
Gordon Williams Ries
Original Assignee
Alsthom Cge Alcatel
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 Alsthom Cge Alcatel filed Critical Alsthom Cge Alcatel
Application granted granted Critical
Publication of ATE176099T1 publication Critical patent/ATE176099T1/de

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)
AT95107185T 1994-05-11 1995-05-11 Lasermodulationsregler unter verwendung einer elektrischen nrz-modulationsaussteuerungsregelung ATE176099T1 (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 (1)

Publication Number Publication Date
ATE176099T1 true ATE176099T1 (de) 1999-02-15

Family

ID=22908163

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95107185T ATE176099T1 (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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2002082694A1 (en) * 2001-04-04 2002-10-17 Quellan, Inc. Method and system for decoding multilevel signals
AU2003211094A1 (en) * 2002-02-15 2003-09-09 Quellan, Inc. Multi-level signal clock recovery technique
AU2003217947A1 (en) * 2002-03-08 2003-09-22 Quellan, Inc. High speed analog-to-digital converter using a unique gray code having minimal bit transitions
AU2003223687A1 (en) * 2002-04-23 2003-11-10 Quellan, Inc. Combined ask/dpsk modulation system
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
DE112004001455B4 (de) * 2003-08-07 2020-04-23 Intersil Americas LLC Verfahren und System zum Löschen von Übersprechen
US7804760B2 (en) * 2003-08-07 2010-09-28 Quellan, Inc. Method and system for signal emulation
US7123676B2 (en) * 2003-11-17 2006-10-17 Quellan, Inc. Method and system for antenna interference cancellation
US7616700B2 (en) * 2003-12-22 2009-11-10 Quellan, Inc. Method and system for slicing a communication signal
US7725079B2 (en) * 2004-12-14 2010-05-25 Quellan, Inc. Method and system for automatic control in an interference cancellation device
US7522883B2 (en) * 2004-12-14 2009-04-21 Quellan, Inc. Method and system for reducing signal interference
KR101372361B1 (ko) * 2006-04-26 2014-03-12 인터실 아메리카스 엘엘씨 통신 채널로부터 복사성 방출을 감소시키기 위한 방법 및 시스템

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
DE69507373D1 (de) 1999-03-04
CA2141714A1 (en) 1995-11-12
EP0682392B1 (de) 1999-01-20
ES2127964T3 (es) 1999-05-01
US5408485A (en) 1995-04-18
DE69507373T2 (de) 1999-07-01
EP0682392A1 (de) 1995-11-15

Similar Documents

Publication Publication Date Title
DE69507373D1 (de) Lasermodulationsregler unter Verwendung einer elektrischen NRZ-Modulationsaussteuerungsregelung
EP0401013A3 (de) Hochfrequenzverstärker mit Optimierung des Stromverbrauches
ES2108926T3 (es) Aparato y metodo para control de modulacion y polarizacion de laser.
EP0853313A3 (de) System für optische Platten
WO1999007188A3 (en) Circuit arrangement
CA2094971A1 (en) Switching Power Supply
ATE199197T1 (de) Steuerschaltung und -verfahren für piezoelektrischen transformator
AU559829B2 (en) Controlling inverterfed a.c. motor
CA2184773A1 (en) Method and Apparatus for Electronically Controlling the Output of a Generator Driven Welding Power Supply
TW347606B (en) Semiconductor laser drive circuit, semiconductor laser device, image recording device and optical disk device
CA2125390A1 (en) Laser control method and apparatus
EP0308511A4 (de) Regelschaltung für laseroszillator.
JPS6448481A (en) Semiconductor laser modulation control system
EP0235813A3 (de) Steuerstromkreis für eine Laserdiode
JPS5755775A (en) Control device for voltage-type inverter
ATE207671T1 (de) Frequenzumrichter zum betrieb eines asynchron- drehstrommotors
ATE117477T1 (de) Laserspeisungs- und steuereinrichtung für lichtwellenleiterverbindung zwischen einem teilnehmer und einer fernmeldevermittlungsanlage.
EP0287676A4 (de) Hochfrequenz-energieversorgungs-vorrichtung.
WO1999000764A3 (en) Two-level semiconductor laser driver
EP0361254A3 (en) Method and control arrangement for controlling the output voltages of two dc supply devices
DE3856272D1 (de) Elektrischer Leistungsschaltregler
JPS6459880A (en) Semiconductor laser driving system
JPS6481288A (en) Laser diode control device
GB8921025D0 (en) Motor position sensor
JPS6422083A (en) Laser diode driving circuit

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties