GB2205172B - Delaying an amplitude-modulated optical signal - Google Patents

Delaying an amplitude-modulated optical signal

Info

Publication number
GB2205172B
GB2205172B GB8712271A GB8712271A GB2205172B GB 2205172 B GB2205172 B GB 2205172B GB 8712271 A GB8712271 A GB 8712271A GB 8712271 A GB8712271 A GB 8712271A GB 2205172 B GB2205172 B GB 2205172B
Authority
GB
United Kingdom
Prior art keywords
delaying
amplitude
optical signal
modulated optical
modulated
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
GB8712271A
Other versions
GB8712271D0 (en
GB2205172A (en
Inventor
Nicholas John Parsons
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.)
General Electric Co PLC
Original Assignee
General Electric Co 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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8712271A priority Critical patent/GB2205172B/en
Publication of GB8712271D0 publication Critical patent/GB8712271D0/en
Priority claimed from EP88305211A external-priority patent/EP0345391A1/en
Publication of GB2205172A publication Critical patent/GB2205172A/en
Application granted granted Critical
Publication of GB2205172B publication Critical patent/GB2205172B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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 
    • G02F1/011—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  in optical waveguides, not otherwise provided for in this subclass
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB8712271A 1987-05-23 1987-05-23 Delaying an amplitude-modulated optical signal Expired - Fee Related GB2205172B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8712271A GB2205172B (en) 1987-05-23 1987-05-23 Delaying an amplitude-modulated optical signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8712271A GB2205172B (en) 1987-05-23 1987-05-23 Delaying an amplitude-modulated optical signal
EP88305211A EP0345391A1 (en) 1988-06-08 1988-06-08 Method and apparatus for controlling the phase of an amplitude-modulated optical signal and its use in a phased-array antenna

Publications (3)

Publication Number Publication Date
GB8712271D0 GB8712271D0 (en) 1987-12-16
GB2205172A GB2205172A (en) 1988-11-30
GB2205172B true GB2205172B (en) 1991-01-30

Family

ID=26116328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8712271A Expired - Fee Related GB2205172B (en) 1987-05-23 1987-05-23 Delaying an amplitude-modulated optical signal

Country Status (1)

Country Link
GB (1) GB2205172B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK153791A (en) * 1991-09-02 1993-03-03 Nkt Res Center As PROCEDURE FOR COMPRESSION OF RIN IN COHESENT OPTICAL SYSTEMS, LIKE COMMUNICATION RECEIVERS
SE515536C2 (en) * 1995-08-16 2001-08-27 Ericsson Telefon Ab L M Dispensing compensation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183502A2 (en) * 1984-11-24 1986-06-04 Roke Manor Research Limited Improvements relating to optical pulse generating arrangements
GB2174505A (en) * 1985-05-04 1986-11-05 Standard Telephones Cables Ltd Optical signal processing
GB2181857A (en) * 1985-10-18 1987-04-29 Stc Plc Optical phase control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183502A2 (en) * 1984-11-24 1986-06-04 Roke Manor Research Limited Improvements relating to optical pulse generating arrangements
GB2174505A (en) * 1985-05-04 1986-11-05 Standard Telephones Cables Ltd Optical signal processing
GB2181857A (en) * 1985-10-18 1987-04-29 Stc Plc Optical phase control

Also Published As

Publication number Publication date
GB8712271D0 (en) 1987-12-16
GB2205172A (en) 1988-11-30

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Legal Events

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