GB2331373B - Optical system and method for changing the lengths of optical paths and the phases of light beams - Google Patents

Optical system and method for changing the lengths of optical paths and the phases of light beams

Info

Publication number
GB2331373B
GB2331373B GB9810693A GB9810693A GB2331373B GB 2331373 B GB2331373 B GB 2331373B GB 9810693 A GB9810693 A GB 9810693A GB 9810693 A GB9810693 A GB 9810693A GB 2331373 B GB2331373 B GB 2331373B
Authority
GB
United Kingdom
Prior art keywords
phases
lengths
changing
light beams
optical system
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
GB9810693A
Other versions
GB9810693D0 (en
GB2331373A (en
Inventor
Ralf-Dieter Pechstedt
Yicheng Lu
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.)
Lumentum Technology UK Ltd
Original Assignee
Bookham Technology 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 Bookham Technology PLC filed Critical Bookham Technology PLC
Publication of GB9810693D0 publication Critical patent/GB9810693D0/en
Priority to US09/137,399 priority Critical patent/US6233070B1/en
Priority to JP2000519808A priority patent/JP2001523012A/en
Priority to EP98954575A priority patent/EP1031065A1/en
Priority to CA002309815A priority patent/CA2309815A1/en
Priority to PCT/GB1998/003404 priority patent/WO1999024867A1/en
Priority to CN 98813074 priority patent/CN1285931A/en
Publication of GB2331373A publication Critical patent/GB2331373A/en
Application granted granted Critical
Publication of GB2331373B publication Critical patent/GB2331373B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • G02F1/0121—Operation of devices; Circuit arrangements, 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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0327—Operation of the cell; 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 
    • G02F1/0147—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 thermo-optic effects
    • 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
    • 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
    • G02F1/2257—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 the optical waveguides being made of semiconducting material

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB9810693A 1997-11-12 1998-05-19 Optical system and method for changing the lengths of optical paths and the phases of light beams Expired - Fee Related GB2331373B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US09/137,399 US6233070B1 (en) 1998-05-19 1998-08-20 Optical system and method for changing the lengths of optical paths and the phases of light beams
PCT/GB1998/003404 WO1999024867A1 (en) 1997-11-12 1998-11-12 Optical system and method for changing the lengths of optical paths and the phases of light beams
EP98954575A EP1031065A1 (en) 1997-11-12 1998-11-12 Optical system and method for changing the lengths of optical paths and the phases of light beams
CA002309815A CA2309815A1 (en) 1997-11-12 1998-11-12 Optical system and method for changing the lengths of optical paths and the phases of light beams
JP2000519808A JP2001523012A (en) 1997-11-12 1998-11-12 Optical system and method for changing optical path length and light beam phase
CN 98813074 CN1285931A (en) 1997-11-12 1998-11-12 Optical system and method for changing the lengths of optical paths and the phases of light beams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96943497A 1997-11-12 1997-11-12

Publications (3)

Publication Number Publication Date
GB9810693D0 GB9810693D0 (en) 1998-07-15
GB2331373A GB2331373A (en) 1999-05-19
GB2331373B true GB2331373B (en) 2000-02-23

Family

ID=25515557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9810693A Expired - Fee Related GB2331373B (en) 1997-11-12 1998-05-19 Optical system and method for changing the lengths of optical paths and the phases of light beams

Country Status (1)

Country Link
GB (1) GB2331373B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2332284B (en) * 1998-05-01 1999-11-03 Bookham Technology Ltd Branched optical waveguide,and its method of use

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302738A (en) * 1995-06-28 1997-01-29 Northern Telecom Ltd Mach Zehnder modulator
EP0841587A2 (en) * 1996-11-07 1998-05-13 Nortel Networks Corporation Configurable chirp mach-zehnder optical modulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2302738A (en) * 1995-06-28 1997-01-29 Northern Telecom Ltd Mach Zehnder modulator
EP0841587A2 (en) * 1996-11-07 1998-05-13 Nortel Networks Corporation Configurable chirp mach-zehnder optical modulator

Also Published As

Publication number Publication date
GB9810693D0 (en) 1998-07-15
GB2331373A (en) 1999-05-19

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Legal Events

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

Effective date: 20040519