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GB9911952D0 - Improvements in and relating to gratings - Google Patents

Improvements in and relating to gratings

Info

Publication number
GB9911952D0
GB9911952D0 GBGB9911952.1A GB9911952A GB9911952D0 GB 9911952 D0 GB9911952 D0 GB 9911952D0 GB 9911952 A GB9911952 A GB 9911952A GB 9911952 D0 GB9911952 D0 GB 9911952D0
Authority
GB
United Kingdom
Prior art keywords
gratings
relating
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.)
Granted
Application number
GBGB9911952.1A
Other versions
GB2347520B (en
GB2347520A (en
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.)
Fujitsu Telecommunications Europe Ltd
Original Assignee
Fujitsu Telecommunications Europe 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 to GB0312806A priority Critical patent/GB2385941B/en
Priority to GB0312807A priority patent/GB2385944B/en
Priority to GB0312813A priority patent/GB2385945B/en
Priority to GB0312809A priority patent/GB2385981B/en
Priority to GB0312810A priority patent/GB2386254A/en
Priority to GB0312805A priority patent/GB2385943B/en
Priority to GB0312804A priority patent/GB2385940B/en
Priority to GB0312808A priority patent/GB2385980B/en
Application filed by Fujitsu Telecommunications Europe Ltd filed Critical Fujitsu Telecommunications Europe Ltd
Priority to GB0312816A priority patent/GB2385713B/en
Publication of GB9911952D0 publication Critical patent/GB9911952D0/en
Priority to JP2000604249A priority patent/JP2002539467A/en
Priority to PCT/GB2000/000768 priority patent/WO2000054080A2/en
Priority to US09/914,944 priority patent/US7123792B1/en
Priority to AU29262/00A priority patent/AU2926200A/en
Priority to EP00907786A priority patent/EP1163542A1/en
Priority to CA002365958A priority patent/CA2365958A1/en
Publication of GB2347520A publication Critical patent/GB2347520A/en
Priority to US10/064,002 priority patent/US6741624B2/en
Application granted granted Critical
Publication of GB2347520B publication Critical patent/GB2347520B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/225Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/35Non-linear optics
    • G02F1/355Non-linear optics characterised by the materials used
    • G02F1/3558Poled materials, e.g. with periodic poling; Fabrication of domain inverted structures, e.g. for quasi-phase-matching [QPM]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light 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
    • G02B2006/12083Constructional arrangements
    • G02B2006/12107Grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/212Mach-Zehnder type
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/225Devices 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
    • G02F1/2252Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/29Devices 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 position or the direction of light beams, i.e. deflection
    • G02F1/31Digital deflection, i.e. optical switching
    • G02F1/313Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3136Digital deflection, i.e. optical switching in an optical waveguide structure of interferometric switch type
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/35Non-linear optics
    • G02F1/3515All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
    • G02F1/3517All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/35Non-linear optics
    • G02F1/3515All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
    • G02F1/3521All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using a directional coupler
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/307Reflective grating, i.e. Bragg grating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/12Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1206Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/12Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/125Distributed Bragg reflector [DBR] lasers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/10Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/18Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
    • H01S5/183Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
    • H01S5/18361Structure of the reflectors, e.g. hybrid mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
GB9911952A 1999-03-05 1999-05-21 Aperiodic grating optimisation Expired - Lifetime GB2347520B (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
GB0312813A GB2385945B (en) 1999-03-05 1999-05-21 Two and three dimensional aperiodic gratings
GB0312809A GB2385981B (en) 1999-03-05 1999-05-21 Laser with aperiodic grating
GB0312810A GB2386254A (en) 1999-03-05 1999-05-21 Superlattices
GB0312805A GB2385943B (en) 1999-03-05 1999-05-21 Mach-Zehnder interferometer with aperiodic grating
GB0312804A GB2385940B (en) 1999-03-05 1999-05-21 Aperiodically poled non-linear material
GB0312808A GB2385980B (en) 1999-03-05 1999-05-21 Raman amplifier with aperiodic grating
GB0312807A GB2385944B (en) 1999-03-05 1999-05-21 Optic fibre aperiodic Bragg grating
GB0312816A GB2385713B (en) 1999-03-05 1999-05-21 Aperiodic electronic bandgap structure
GB0312806A GB2385941B (en) 1999-03-05 1999-05-21 Non-linear optical loop miror with aperiodic grating
JP2000604249A JP2002539467A (en) 1999-03-05 2000-03-03 Lattice and related improvements
PCT/GB2000/000768 WO2000054080A2 (en) 1999-03-05 2000-03-03 Aperiodic longitudinal gratings and optimisation method
US09/914,944 US7123792B1 (en) 1999-03-05 2000-03-03 Configurable aperiodic grating device
AU29262/00A AU2926200A (en) 1999-03-05 2000-03-03 Improvements in and relating to gratings
CA002365958A CA2365958A1 (en) 1999-03-05 2000-03-03 Aperiodic longitudinal gratings and optimisation method
EP00907786A EP1163542A1 (en) 1999-03-05 2000-03-03 Aperiodic longitudinal gratings and optimisation method
US10/064,002 US6741624B2 (en) 1999-03-05 2002-06-03 Fabry-Perot laser with wavelength control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9905196.3A GB9905196D0 (en) 1999-03-05 1999-03-05 Aperiodic gratings

Publications (3)

Publication Number Publication Date
GB9911952D0 true GB9911952D0 (en) 1999-07-21
GB2347520A GB2347520A (en) 2000-09-06
GB2347520B GB2347520B (en) 2003-08-13

Family

ID=10849113

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9905196.3A Ceased GB9905196D0 (en) 1999-03-03 1999-03-05 Aperiodic gratings
GB9911952A Expired - Lifetime GB2347520B (en) 1999-03-05 1999-05-21 Aperiodic grating optimisation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9905196.3A Ceased GB9905196D0 (en) 1999-03-03 1999-03-05 Aperiodic gratings

Country Status (1)

Country Link
GB (2) GB9905196D0 (en)

Families Citing this family (122)

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US7045377B2 (en) 2003-06-26 2006-05-16 Rj Mears, Llc Method for making a semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction
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US7612366B2 (en) 2003-06-26 2009-11-03 Mears Technologies, Inc. Semiconductor device including a strained superlattice layer above a stress layer
WO2005018005A1 (en) 2003-06-26 2005-02-24 Rj Mears, Llc Semiconductor device including mosfet having band-engineered superlattice
US7598515B2 (en) 2003-06-26 2009-10-06 Mears Technologies, Inc. Semiconductor device including a strained superlattice and overlying stress layer and related methods
US7586116B2 (en) 2003-06-26 2009-09-08 Mears Technologies, Inc. Semiconductor device having a semiconductor-on-insulator configuration and a superlattice
US7202494B2 (en) 2003-06-26 2007-04-10 Rj Mears, Llc FINFET including a superlattice
US7045813B2 (en) 2003-06-26 2006-05-16 Rj Mears, Llc Semiconductor device including a superlattice with regions defining a semiconductor junction
US7229902B2 (en) 2003-06-26 2007-06-12 Rj Mears, Llc Method for making a semiconductor device including a superlattice with regions defining a semiconductor junction
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US7531829B2 (en) 2003-06-26 2009-05-12 Mears Technologies, Inc. Semiconductor device including regions of band-engineered semiconductor superlattice to reduce device-on resistance
US7491587B2 (en) 2003-06-26 2009-02-17 Mears Technologies, Inc. Method for making a semiconductor device having a semiconductor-on-insulator (SOI) configuration and including a superlattice on a thin semiconductor layer
US6958486B2 (en) 2003-06-26 2005-10-25 Rj Mears, Llc Semiconductor device including band-engineered superlattice
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US7227174B2 (en) 2003-06-26 2007-06-05 Rj Mears, Llc Semiconductor device including a superlattice and adjacent semiconductor layer with doped regions defining a semiconductor junction
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CN105900241B (en) 2013-11-22 2020-07-24 阿托梅拉公司 Semiconductor device including superlattice depletion layer stack and related methods
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