GB2174505B - Optical signal processing - Google Patents

Optical signal processing

Info

Publication number
GB2174505B
GB2174505B GB08511425A GB8511425A GB2174505B GB 2174505 B GB2174505 B GB 2174505B GB 08511425 A GB08511425 A GB 08511425A GB 8511425 A GB8511425 A GB 8511425A GB 2174505 B GB2174505 B GB 2174505B
Authority
GB
United Kingdom
Prior art keywords
signal processing
optical signal
optical
processing
signal
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
Application number
GB08511425A
Other versions
GB2174505A (en
Inventor
Richard Edward Epworth
Stephen Wright
Terry Bricheno
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB08511425A priority Critical patent/GB2174505B/en
Publication of GB2174505A publication Critical patent/GB2174505A/en
Application granted granted Critical
Publication of GB2174505B publication Critical patent/GB2174505B/en
Expired legal-status Critical Current

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
    • 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 
    • G02F1/0128—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 electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G02F1/0134—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 electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides
    • 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 
    • G02F1/21—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  by interference
    • G02F1/225—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  by interference in an optical waveguide structure
    • G02F1/2252—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  by interference in an optical waveguide structure in optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2676—Optically controlled phased array

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
GB08511425A 1985-05-04 1985-05-04 Optical signal processing Expired GB2174505B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08511425A GB2174505B (en) 1985-05-04 1985-05-04 Optical signal processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08511425A GB2174505B (en) 1985-05-04 1985-05-04 Optical signal processing

Publications (2)

Publication Number Publication Date
GB2174505A GB2174505A (en) 1986-11-05
GB2174505B true GB2174505B (en) 1988-09-14

Family

ID=10578690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08511425A Expired GB2174505B (en) 1985-05-04 1985-05-04 Optical signal processing

Country Status (1)

Country Link
GB (1) GB2174505B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205172B (en) * 1987-05-23 1991-01-30 Gen Electric Plc Delaying an amplitude-modulated optical signal
EP0345391A1 (en) * 1988-06-08 1989-12-13 THE GENERAL ELECTRIC COMPANY, p.l.c. Method and apparatus for controlling the phase of an amplitude-modulated optical signal and its use in a phased-array antenna
GB8918177D0 (en) * 1989-08-09 1989-09-20 Stc Plc Optical polarisation state controllers
DE4021293A1 (en) * 1990-07-04 1992-01-16 Deutsche Forsch Luft Raumfahrt BISTABLE OPTICAL SWITCH
US5956437A (en) * 1997-12-24 1999-09-21 Northern Telecom Limited Electrically controllable optical attenuator
US6519270B1 (en) * 1999-09-29 2003-02-11 Bookham Technology Plc Compound cavity reflection modulation laser system
US6941032B2 (en) 2000-06-21 2005-09-06 Pirelli Cavi E Sistemi S.P.A. Passive polarization stabilizer
EP1168679A1 (en) * 2000-06-21 2002-01-02 PIRELLI CAVI E SISTEMI S.p.A. Passive polarisation stabiliser
JP4108254B2 (en) 2000-07-11 2008-06-25 富士通株式会社 Optical transmitter and optical transmission system
FR3005210B1 (en) * 2013-04-26 2016-09-30 Thales Sa DISTRIBUTED POWER CIRCUIT FOR ANTENNA BEAM FORMING NETWORK

Also Published As

Publication number Publication date
GB2174505A (en) 1986-11-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee