GB0125080D0 - Improvements in and relating to distributed gratings - Google Patents

Improvements in and relating to distributed gratings

Info

Publication number
GB0125080D0
GB0125080D0 GB0125080A GB0125080A GB0125080D0 GB 0125080 D0 GB0125080 D0 GB 0125080D0 GB 0125080 A GB0125080 A GB 0125080A GB 0125080 A GB0125080 A GB 0125080A GB 0125080 D0 GB0125080 D0 GB 0125080D0
Authority
GB
United Kingdom
Prior art keywords
relating
distributed gratings
gratings
distributed
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.)
Withdrawn
Application number
GB0125080A
Other versions
GB2381083A (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 Network Communications Inc
Original Assignee
Fujitsu Network Communications Inc
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 Fujitsu Network Communications Inc filed Critical Fujitsu Network Communications Inc
Priority to GB0125080A priority Critical patent/GB2381083A/en
Publication of GB0125080D0 publication Critical patent/GB0125080D0/en
Priority to PCT/GB2002/004241 priority patent/WO2003034116A2/en
Priority to AU2002329404A priority patent/AU2002329404A1/en
Publication of GB2381083A publication Critical patent/GB2381083A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317—Light guides of the optical fibre type
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
    • G02B6/022—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper
    • 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
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/124—Geodesic lenses or integrated gratings
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29392—Controlling dispersion
    • G02B6/29394—Compensating wavelength dispersion
    • 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
    • G02B2006/12083—Constructional arrangements
    • G02B2006/12107—Grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Integrated Circuits (AREA)
GB0125080A 2001-10-18 2001-10-18 Optical distributed chirped grating with reflection symmetry Withdrawn GB2381083A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0125080A GB2381083A (en) 2001-10-18 2001-10-18 Optical distributed chirped grating with reflection symmetry
PCT/GB2002/004241 WO2003034116A2 (en) 2001-10-18 2002-09-18 Distributed gratings in optical fibres
AU2002329404A AU2002329404A1 (en) 2001-10-18 2002-09-18 Distributed gratings in optical fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0125080A GB2381083A (en) 2001-10-18 2001-10-18 Optical distributed chirped grating with reflection symmetry

Publications (2)

Publication Number Publication Date
GB0125080D0 true GB0125080D0 (en) 2001-12-12
GB2381083A GB2381083A (en) 2003-04-23

Family

ID=9924124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0125080A Withdrawn GB2381083A (en) 2001-10-18 2001-10-18 Optical distributed chirped grating with reflection symmetry

Country Status (3)

Country Link
AU (1) AU2002329404A1 (en)
GB (1) GB2381083A (en)
WO (1) WO2003034116A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6360862B2 (en) * 2016-08-30 2018-07-18 株式会社フジクラ Fiber chirped grating element and fiber laser
CN106226559A (en) * 2016-09-06 2016-12-14 北京航空航天大学 A kind of scaling method of chirp grating
CN108768526B (en) * 2018-07-16 2020-01-07 深圳太辰光通信股份有限公司 Bidirectional fiber grating manufacturing method, bidirectional tracker and passive network
WO2020014814A1 (en) * 2018-07-16 2020-01-23 深圳太辰光通信股份有限公司 Method for manufacturing bidirectional fiber grating, bidirectional tracker, and passive network
CN110146190A (en) * 2019-05-20 2019-08-20 南京邮电大学 A kind of sensing system and grating design method of symmetric double cone optical-fiber grating

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474446A (en) * 1982-06-30 1984-10-02 Honeywell Inc. Focal sensor having optical low pass filter
DE3915625A1 (en) * 1989-05-12 1990-11-15 Standard Elektrik Lorenz Ag SEMICONDUCTOR LASER
DE69017852T2 (en) * 1989-12-04 1995-08-10 Canon Kk Optical coupler device with wavelength-selective optical coupler.
JPH06216467A (en) * 1993-01-19 1994-08-05 Hitachi Ltd Semiconductor light-dispersion compensator
AUPM547194A0 (en) * 1994-05-06 1994-06-02 University Of Sydney, The Variable property light transmitting device
JPH085849A (en) * 1994-06-20 1996-01-12 Nippon Telegr & Teleph Corp <Ntt> Waveguide type optical element
FR2723449B1 (en) * 1994-08-04 1996-09-06 Alcatel Fibres Optiques METHODS FOR MODIFYING THE LONGITUDINAL STEP DISTRIBUTION OF A DIFFRACTANT NETWORK AND FOR MAKING SUCH A NETWORK IN AN OPTICAL GUIDE
US5668900A (en) * 1995-11-01 1997-09-16 Northern Telecom Limited Taper shapes for sidelobe suppression and bandwidth minimization in distributed feedback optical reflection filters
US5710849A (en) * 1995-11-01 1998-01-20 Northern Telecom, Ltd. Taper shapes for flatband response and sidelobe suppression in grating assisted optical coupler filters
CA2244572A1 (en) * 1997-08-12 1999-02-12 Photonics Research Ontario Design of complex optical fiber filters using long-period gratings
KR100294540B1 (en) * 1997-12-31 2001-07-12 윤종용 Tunable chirped fiber gratings
JPH11223735A (en) * 1998-02-05 1999-08-17 Nippon Telegr & Teleph Corp <Ntt> Tunable polymer waveguide diffraction grating and its production
US6181852B1 (en) * 1998-09-23 2001-01-30 Lucent Technologies Inc. Optical grating device with variable coating
JP2000329627A (en) * 1999-05-20 2000-11-30 Fujikura Ltd Fiber grating sensor and tension-measuring apparatus using the same
JP2001100053A (en) * 1999-09-27 2001-04-13 Showa Electric Wire & Cable Co Ltd Optical waveguide grating

Also Published As

Publication number Publication date
WO2003034116A2 (en) 2003-04-24
AU2002329404A1 (en) 2003-04-28
GB2381083A (en) 2003-04-23
WO2003034116A3 (en) 2003-07-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)