CN117651893A - 光侧方输入输出回路 - Google Patents

光侧方输入输出回路 Download PDF

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Publication number
CN117651893A
CN117651893A CN202180099614.8A CN202180099614A CN117651893A CN 117651893 A CN117651893 A CN 117651893A CN 202180099614 A CN202180099614 A CN 202180099614A CN 117651893 A CN117651893 A CN 117651893A
Authority
CN
China
Prior art keywords
optical fiber
light
output circuit
optical
tap
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.)
Pending
Application number
CN202180099614.8A
Other languages
English (en)
Chinese (zh)
Inventor
山下阳子
森崇嘉
松井隆
中岛和秀
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of CN117651893A publication Critical patent/CN117651893A/zh
Pending 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
    • G02B6/29323—Coupling to or out of the diffractive element through the lateral surface of the light guide
    • 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
    • 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
    • G02B6/02095—Long period gratings, i.e. transmission gratings coupling light between core and cladding modes
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4286—Optical modules with optical power monitoring
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
CN202180099614.8A 2021-06-28 2021-06-28 光侧方输入输出回路 Pending CN117651893A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/024319 WO2023275921A1 (ja) 2021-06-28 2021-06-28 光側方入出力回路

Publications (1)

Publication Number Publication Date
CN117651893A true CN117651893A (zh) 2024-03-05

Family

ID=84689813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180099614.8A Pending CN117651893A (zh) 2021-06-28 2021-06-28 光侧方输入输出回路

Country Status (5)

Country Link
US (1) US20240369769A1 (https=)
EP (1) EP4365650A4 (https=)
JP (1) JPWO2023275921A1 (https=)
CN (1) CN117651893A (https=)
WO (1) WO2023275921A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025115180A1 (ja) * 2023-11-30 2025-06-05 日本電信電話株式会社 光側方入出力回路
WO2025115176A1 (ja) * 2023-11-30 2025-06-05 日本電信電話株式会社 光側方入出力回路

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387954A (en) * 1981-01-19 1983-06-14 Gould Inc. Method for fabricating an optical waveguide evanescent wave coupler having an interleaved film
AU559681B2 (en) * 1983-12-19 1987-03-19 Litton Systems, Incorporated Three port coupler
US4784452A (en) * 1986-08-01 1988-11-15 Ensign-Bickford Optics Co. Optical fiber coupler
JPH0664216B2 (ja) * 1986-10-02 1994-08-22 三菱レイヨン株式会社 光ファイバタップ
US5832156A (en) * 1996-10-31 1998-11-03 Lucent Technologies Inc. Article comprising an optical waveguide tap
US6856735B2 (en) * 2001-11-06 2005-02-15 Chromux Technologies, Inc. Tap couplers for fiber optic arrays
US6865320B1 (en) * 2002-03-15 2005-03-08 Fitel U.S.A. Corp. Optical taps formed using fiber gratings
CA2396831A1 (en) * 2002-08-02 2004-02-02 Femtonics Corporation Microstructuring optical wave guide devices with femtosecond optical pulses
US6885792B2 (en) * 2002-09-24 2005-04-26 Furukawa Electric North America Inc. Wavelength monitoring optical fibers using detection in the near field
CN100345013C (zh) * 2004-11-19 2007-10-24 东南大学 含有光波导内嵌入式倾斜布拉格光栅的装置及光处理方法
US20080069560A1 (en) * 2006-09-15 2008-03-20 Yann Tissot Monitoring wavelength and power in an optical communications signal
JP2011232706A (ja) * 2010-04-30 2011-11-17 Fujitsu Ltd 光デバイス、光モニタシステム及び光デバイスの製造方法
KR101782593B1 (ko) * 2016-04-26 2017-09-28 부산대학교 산학협력단 기울어진 브래그 격자와 모드 분류 광도파로를 이용한 폴리머 광도파로 파장 가변 필터
CN106019475B (zh) * 2016-07-28 2019-04-02 江苏大学 一种少模光纤器件
GB201712640D0 (en) * 2017-08-07 2017-09-20 Univ Oxford Innovation Ltd Method of laser modification of an optical fibre
US10514506B2 (en) * 2018-01-31 2019-12-24 Corning Optical Communications LLC Optical couplers for evanescent coupling of polymer clad fibers to optical waveguides using alignment features

Also Published As

Publication number Publication date
JPWO2023275921A1 (https=) 2023-01-05
EP4365650A4 (en) 2025-05-07
WO2023275921A1 (ja) 2023-01-05
US20240369769A1 (en) 2024-11-07
EP4365650A1 (en) 2024-05-08

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PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Country or region after: Japan

Address after: Tokyo, Japan

Applicant after: Entiti Corp.

Address before: Tokyo, Japan

Applicant before: NIPPON TELEGRAPH AND TELEPHONE Corp.

Country or region before: Japan

CB02 Change of applicant information