[go: up one dir, main page]

GB2321340B - Optical modulator - Google Patents

Optical modulator

Info

Publication number
GB2321340B
GB2321340B GB9806675A GB9806675A GB2321340B GB 2321340 B GB2321340 B GB 2321340B GB 9806675 A GB9806675 A GB 9806675A GB 9806675 A GB9806675 A GB 9806675A GB 2321340 B GB2321340 B GB 2321340B
Authority
GB
United Kingdom
Prior art keywords
optical modulator
modulator
optical
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 - Lifetime
Application number
GB9806675A
Other versions
GB9806675D0 (en
GB2321340A (en
Inventor
Andrew James Shields
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Cambridge Research Centre Ltd
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
Priority claimed from GB9521401A external-priority patent/GB2300300B/en
Application filed by Toshiba Cambridge Research Centre Ltd filed Critical Toshiba Cambridge Research Centre Ltd
Priority to GB9806675A priority Critical patent/GB2321340B/en
Priority claimed from GB9621073A external-priority patent/GB2306773B/en
Publication of GB9806675D0 publication Critical patent/GB9806675D0/en
Publication of GB2321340A publication Critical patent/GB2321340A/en
Application granted granted Critical
Publication of GB2321340B publication Critical patent/GB2321340B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02F1/01708—Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells in an optical wavequide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12035—Materials
    • G02B2006/12078—Gallium arsenide or alloys (GaAs, GaAlAs, GaAsP, GaInAs)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G02B2006/12142—Modulator
    • 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
    • H01S5/0421—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers
    • H01S5/0422—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers with n- and p-contacts on the same side of the active layer

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Nonlinear Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB9806675A 1995-10-20 1996-10-09 Optical modulator Expired - Lifetime GB2321340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9806675A GB2321340B (en) 1995-10-20 1996-10-09 Optical modulator

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9521401A GB2300300B (en) 1995-04-26 1995-10-20 Semiconductor device and method for its operation
GB9806675A GB2321340B (en) 1995-10-20 1996-10-09 Optical modulator
GB9621073A GB2306773B (en) 1995-10-20 1996-10-09 Optical modulator

Publications (3)

Publication Number Publication Date
GB9806675D0 GB9806675D0 (en) 1998-05-27
GB2321340A GB2321340A (en) 1998-07-22
GB2321340B true GB2321340B (en) 1999-01-27

Family

ID=26307973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9806675A Expired - Lifetime GB2321340B (en) 1995-10-20 1996-10-09 Optical modulator

Country Status (1)

Country Link
GB (1) GB2321340B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2300300A (en) * 1995-04-26 1996-10-30 Toshiba Cambridge Res Center Semiconductor optical modulator device and method for its operation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2300300A (en) * 1995-04-26 1996-10-30 Toshiba Cambridge Res Center Semiconductor optical modulator device and method for its operation
GB2300299A (en) * 1995-04-26 1996-10-30 Toshiba Cambridge Res Center Operation of a semiconductor device

Also Published As

Publication number Publication date
GB9806675D0 (en) 1998-05-27
GB2321340A (en) 1998-07-22

Similar Documents

Publication Publication Date Title
GB2321114B (en) An optical modulator
GB9617621D0 (en) Optical element
GB9610618D0 (en) Optical device
GB2293022B (en) External optical modulator
GB9510051D0 (en) Integrated optical modulators
AU6928098A (en) Optical modulator
GB9521054D0 (en) Spatial light modulator
IL117886A (en) Switched-inverter modulator
GB2304204B (en) Optical device
AU1887297A (en) Optical modulator
GB9521158D0 (en) Optical waveguide devices
DE69601083D1 (en) Passiver akusto-optischer modulator
GB2270173B (en) Optical modulator
GB2314226B (en) Multiple-clock controlled spatial light modulator
SG52711A1 (en) Optical device
GB9415643D0 (en) Polarisation-insensitive optical modulators
GB2305512B (en) Optical modulator
GB2306773B (en) Optical modulator
GB2321340B (en) Optical modulator
GB2315129B (en) Integrated optical modulators
GB9503193D0 (en) Optical modulator
GB9319351D0 (en) Light modulator
GB9309777D0 (en) Spartial light modulators
GB9308263D0 (en) Optical modulators
GB9515268D0 (en) Polarisation-insensitive optical modulators

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20161008