ATE41244T1 - Optische vorrichtungen. - Google Patents

Optische vorrichtungen.

Info

Publication number
ATE41244T1
ATE41244T1 AT84308108T AT84308108T ATE41244T1 AT E41244 T1 ATE41244 T1 AT E41244T1 AT 84308108 T AT84308108 T AT 84308108T AT 84308108 T AT84308108 T AT 84308108T AT E41244 T1 ATE41244 T1 AT E41244T1
Authority
AT
Austria
Prior art keywords
optical
quantum well
optical devices
layer
well layers
Prior art date
Application number
AT84308108T
Other languages
English (en)
Inventor
Michael Graham Burt
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE41244T1 publication Critical patent/ATE41244T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
    • 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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/017—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biophysics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Glass Compositions (AREA)
  • Optical Integrated Circuits (AREA)
  • Semiconductor Lasers (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
AT84308108T 1983-11-23 1984-11-22 Optische vorrichtungen. ATE41244T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838331298A GB8331298D0 (en) 1983-11-23 1983-11-23 Optical devices
EP84308108A EP0143000B1 (de) 1983-11-23 1984-11-22 Optische Vorrichtungen

Publications (1)

Publication Number Publication Date
ATE41244T1 true ATE41244T1 (de) 1989-03-15

Family

ID=10552246

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84308108T ATE41244T1 (de) 1983-11-23 1984-11-22 Optische vorrichtungen.

Country Status (6)

Country Link
US (1) US4826295A (de)
EP (1) EP0143000B1 (de)
AT (1) ATE41244T1 (de)
CA (1) CA1268848A (de)
DE (1) DE3477067D1 (de)
GB (1) GB8331298D0 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2583480B2 (ja) * 1983-12-23 1997-02-19 株式会社日立製作所 光スイッチ及び光スイッチアレイ
JPS61198212A (ja) * 1985-02-28 1986-09-02 Tokyo Inst Of Technol 光回路機能素子
FR2607628B1 (fr) * 1986-11-27 1989-03-17 Centre Nat Rech Scient Modulateur optique a superreseau
JP2666844B2 (ja) * 1987-09-17 1997-10-22 日本電気株式会社 波長多重弁別型半導体受光素子
JP2739736B2 (ja) * 1988-09-16 1998-04-15 カシオ計算機株式会社 磁性体装置
US4990761A (en) * 1988-11-30 1991-02-05 Hughes Aircraft Company Plural arc radiation protector
SE462948B (sv) * 1988-12-06 1990-09-24 Moelnlycke Ab Absorptionskropp uppvisande mot mittpartiet kontinuerligt oekande komprineringsgrad samt saett foer dess framstaellning
US5121181A (en) * 1989-01-31 1992-06-09 International Business Machines Corporation Resonant tunneling photodetector for long wavelength applications
US5008717A (en) * 1989-03-03 1991-04-16 At&T Bell Laboratories Semiconductor device including cascaded modulation-doped quantum well heterostructures
EP0416879B1 (de) * 1989-09-04 1995-12-06 BRITISH TELECOMMUNICATIONS public limited company Quantumfilm-Strukturen
US4999485A (en) * 1989-10-18 1991-03-12 At&T Bell Laboratories Nonlinerar optical device structure with compound semiconductor having graded chemical composition
FR2675949B1 (fr) * 1991-04-25 1993-07-09 Thomson Csf Modulateur d'ondes et detecteur optique a puits quantiques.
US6271954B1 (en) * 1994-03-17 2001-08-07 Molex Fiber Optics, Inc. Waveguide absorption modulator with integral optical isolator
US5473467A (en) * 1994-07-08 1995-12-05 At&T Corp. Linear optical amplifier
EP0913039A1 (de) 1996-07-19 1999-05-06 BRITISH TELECOMMUNICATIONS public limited company Übertragungssystem zum gleichzeitigen empfangen und modulieren eines optischen signals
WO1999016193A1 (en) 1997-09-19 1999-04-01 Hitachi, Ltd. Optical communication equipment and system
US6731883B1 (en) 1998-02-25 2004-05-04 Auckland Uniservices Limited System and method for demultiplexing in optical communication systems
US6452600B1 (en) 1999-10-28 2002-09-17 Nintendo Co., Ltd. Graphics system interface
FR2926047B1 (fr) 2008-01-04 2010-03-12 Peugeot Citroen Automobiles Sa Procede de commande des sequences de fonctionnement d'un essuie-glace.
EP2462482A1 (de) * 2009-08-05 2012-06-13 Danmarks Tekniske Universitet Codierung eines optischen signals mithilfe eines funkfrequenzsignals
MX342139B (es) 2010-12-30 2016-09-14 Metabolic Explorer Sa Produccion fermentativa de analogo de hidroximetionina (mha).

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1102749A (en) * 1964-07-29 1968-02-07 Hitachi Ltd A light modulator arrangement
GB1331228A (en) * 1969-12-02 1973-09-26 Post Office Electro-optic apparatus
BE790590A (fr) * 1971-10-28 1973-02-15 Western Electric Co Modulateur optique
US3863070A (en) * 1972-05-04 1975-01-28 Robert H Wheeler Quantum mechanical mosfet infrared radiation detector
US4208667A (en) * 1978-06-09 1980-06-17 The United States Of America As Represented By The Secretary Of The Army Controlled absorption in heterojunction structures
US4525687A (en) * 1983-02-28 1985-06-25 At&T Bell Laboratories High speed light modulator using multiple quantum well structures
US4507776A (en) * 1983-09-12 1985-03-26 At&T Bell Laboratories Nonlinear all-optical time division multiplexer and demultiplexer

Also Published As

Publication number Publication date
EP0143000B1 (de) 1989-03-08
CA1268848A (en) 1990-05-08
US4826295A (en) 1989-05-02
DE3477067D1 (en) 1989-04-13
EP0143000A1 (de) 1985-05-29
GB8331298D0 (en) 1983-12-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time