ATE81212T1 - Optische modulationssysteme. - Google Patents

Optische modulationssysteme.

Info

Publication number
ATE81212T1
ATE81212T1 AT85309324T AT85309324T ATE81212T1 AT E81212 T1 ATE81212 T1 AT E81212T1 AT 85309324 T AT85309324 T AT 85309324T AT 85309324 T AT85309324 T AT 85309324T AT E81212 T1 ATE81212 T1 AT E81212T1
Authority
AT
Austria
Prior art keywords
signal
optical modulation
electro
photo
sub
Prior art date
Application number
AT85309324T
Other languages
English (en)
Inventor
Shinichiro Kuwabara
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE81212T1 publication Critical patent/ATE81212T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00—Optical logic elements; Optical bistable devices
    • 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
    • G11B7/128—Modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1341—Filling or closing of cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/161—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Optical Head (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Liquid Crystal (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Silicon Polymers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT85309324T 1984-12-21 1985-12-20 Optische modulationssysteme. ATE81212T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59270488A JPH0627913B2 (ja) 1984-12-21 1984-12-21 光変調装置
EP85309324A EP0185557B1 (de) 1984-12-21 1985-12-20 Optische Modulationssysteme

Publications (1)

Publication Number Publication Date
ATE81212T1 true ATE81212T1 (de) 1992-10-15

Family

ID=17486984

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85309324T ATE81212T1 (de) 1984-12-21 1985-12-20 Optische modulationssysteme.

Country Status (8)

Country Link
US (1) US4709417A (de)
EP (1) EP0185557B1 (de)
JP (1) JPH0627913B2 (de)
KR (1) KR930008237B1 (de)
CN (1) CN1009314B (de)
AT (1) ATE81212T1 (de)
CA (1) CA1237778A (de)
DE (1) DE3586714T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796267A (en) * 1986-04-11 1989-01-03 Nakamichi Corporation Laser control circuit
JPS63317936A (ja) * 1987-06-19 1988-12-26 Mitsubishi Electric Corp 光学的波長多重記録再生装置
IT1219165B (it) * 1988-03-31 1990-05-03 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per il controllo automatico di frequenza di laser a semiconduttore
US5020872A (en) * 1990-01-04 1991-06-04 Smiths Industries Aerospace & Defense Systems Incorporated Method of operating an electrooptic modulator
US5166509A (en) * 1990-11-09 1992-11-24 Tacan Corporation Optical modulator noise nonlinearity reduction circuit
JPH04330791A (ja) * 1991-01-25 1992-11-18 Hamamatsu Photonics Kk 光変調器
US5200964A (en) * 1991-03-12 1993-04-06 General Instrument Corporation Broad linewidth lasers for optical fiber communication systems
EP0539177B1 (de) * 1991-10-21 2002-03-13 Nec Corporation Optisches Übertragungssystem
JP2518138B2 (ja) * 1993-06-25 1996-07-24 日本電気株式会社 光変調装置
US5453608A (en) * 1994-05-10 1995-09-26 The Regents Of The University Of California Triggerable electro-optic amplitude modulator bias stabilizer for integrated optical devices
KR0134293B1 (en) * 1994-09-05 1998-04-22 Daewoo Electronics Co Ltd Laser power modulation apparatus using phase change for an
DE19511819A1 (de) * 1995-03-30 1996-10-02 Sel Alcatel Ag Vorrichtung zum Demultiplexen eines optischen Digitalsignals
DE19654979B4 (de) * 1995-05-18 2006-03-02 Fujitsu Ltd., Kawasaki Treiberschaltung für einen optischen Elektroabsorptionsmodulator
US5592322A (en) * 1995-09-05 1997-01-07 Daewoo Electronics Co., Ltd. Laser beam modulation apparatus
JPH09237419A (ja) * 1996-02-29 1997-09-09 Showa Denko Kk 磁気記録媒体の製造方法
DE10039951C2 (de) * 2000-08-16 2002-10-10 Siemens Ag Verfahren und Anordnung zur Kompensation von Kreuzphasenmodulation
US7845098B1 (en) 2009-05-22 2010-12-07 Loram Maintenance Of Way, Inc. Rotary undercutter for rail line maintenance
DE102015101203B4 (de) * 2015-01-28 2021-06-17 Seereal Technologies S.A. Lichtmodulationsvorrichtung und holographische Anzeigevorrichtung
CN108008749B (zh) * 2017-12-30 2023-05-09 深圳市杰普特光电股份有限公司 激光转接装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471803A (en) * 1967-04-28 1969-10-07 Hughes Aircraft Co Laser having a stabilized output spectrum
US3713042A (en) * 1971-05-27 1973-01-23 Bell Telephone Labor Inc Stabilized mode-locked laser arrangement
US4225873A (en) * 1978-03-27 1980-09-30 Mca Disco-Vision, Inc. Recording and playback system
JPS5552022A (en) * 1978-10-13 1980-04-16 Matsushita Electric Ind Co Ltd Light modulating device
WO1980002467A1 (en) * 1979-04-26 1980-11-13 Commw Scient Ind Res Org Laser-based image recording system
US4253734A (en) * 1979-10-22 1981-03-03 Mitsubishi Denki Kabushiki Kaisha Electro optical modulation system
CA1167901A (en) * 1980-10-27 1984-05-22 Denis M. Vincent Control system for an optical modulator
US4716384A (en) * 1984-05-01 1987-12-29 Crosfield Electronics Limited Modulators

Also Published As

Publication number Publication date
KR860005251A (ko) 1986-07-21
KR930008237B1 (ko) 1993-08-27
EP0185557A2 (de) 1986-06-25
US4709417A (en) 1987-11-24
CN1009314B (zh) 1990-08-22
JPS61148639A (ja) 1986-07-07
EP0185557A3 (en) 1988-06-29
JPH0627913B2 (ja) 1994-04-13
CA1237778A (en) 1988-06-07
CN85109630A (zh) 1986-08-27
DE3586714T2 (de) 1993-03-25
DE3586714D1 (en) 1992-11-05
EP0185557B1 (de) 1992-09-30

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee