JP7228168B2 - 光サーキュレータ - Google Patents

光サーキュレータ Download PDF

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Publication number
JP7228168B2
JP7228168B2 JP2020523806A JP2020523806A JP7228168B2 JP 7228168 B2 JP7228168 B2 JP 7228168B2 JP 2020523806 A JP2020523806 A JP 2020523806A JP 2020523806 A JP2020523806 A JP 2020523806A JP 7228168 B2 JP7228168 B2 JP 7228168B2
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JP
Japan
Prior art keywords
light
output
optical
optical circulator
ports
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JP2020523806A
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English (en)
Japanese (ja)
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JP2021501364A (ja
JP2021501364A5 (enExample
Inventor
ディアス，フェルナンド
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.)
Baraja Pty Ltd
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Baraja Pty Ltd
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Priority claimed from AU2017904450A external-priority patent/AU2017904450A0/en
Application filed by Baraja Pty Ltd filed Critical Baraja Pty Ltd
Publication of JP2021501364A publication Critical patent/JP2021501364A/ja
Publication of JP2021501364A5 publication Critical patent/JP2021501364A5/ja
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    • 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 
    • G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
    • G01S7/4812—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver transmitted and received beams following a coaxial path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4818—Constructional features, e.g. arrangements of optical elements using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/499—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using polarisation 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 
    • G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—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 magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)
JP2020523806A 2017-11-01 2018-10-31 光サーキュレータ Active JP7228168B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2017904450A AU2017904450A0 (en) 2017-11-01 Optical circulator
AU2017904450 2017-11-01
AU2018902139 2018-06-15
AU2018902139A AU2018902139A0 (en) 2018-06-15 Optical circulator
PCT/AU2018/051175 WO2019084610A1 (en) 2017-11-01 2018-10-31 Optical circulator

Publications (3)

Publication Number Publication Date
JP2021501364A JP2021501364A (ja) 2021-01-14
JP2021501364A5 JP2021501364A5 (enExample) 2021-11-11
JP7228168B2 true JP7228168B2 (ja) 2023-02-24

Family

ID=66331110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020523806A Active JP7228168B2 (ja) 2017-11-01 2018-10-31 光サーキュレータ

Country Status (8)

Country Link
US (1) US11714168B2 (enExample)
EP (1) EP3704538A4 (enExample)
JP (1) JP7228168B2 (enExample)
KR (1) KR20200112808A (enExample)
CN (1) CN111801617B (enExample)
AU (1) AU2018359007A1 (enExample)
CA (1) CA3079611A1 (enExample)
WO (1) WO2019084610A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11536805B2 (en) 2018-06-25 2022-12-27 Silc Technologies, Inc. Optical switching for tuning direction of LIDAR output signals
CN109617612A (zh) * 2018-12-25 2019-04-12 杭州耀芯科技有限公司 自由空间中光信号对准传输装置、系统及方法
US12429569B2 (en) 2019-05-17 2025-09-30 Silc Technologies, Inc. Identification of materials illuminated by LIDAR systems
US11650317B2 (en) 2019-06-28 2023-05-16 Silc Technologies, Inc. Use of frequency offsets in generation of LIDAR data
WO2021000026A1 (en) 2019-07-04 2021-01-07 Baraja Pty Ltd Homodyne receive architecture in a spatial estimation system
WO2021127636A1 (en) * 2019-12-20 2021-06-24 The General Hospital Corporation Systems, methods, and media for multiple beam optical coherence tomography
EP3842826A1 (en) 2019-12-23 2021-06-30 Yandex Self Driving Group LLC Lidar detection methods and systems with fbg filter
WO2021150447A1 (en) * 2020-01-24 2021-07-29 Argo AI, LLC Systems and methods for light backscattering mitigation in lidar systems
US11675063B2 (en) 2020-09-04 2023-06-13 Ours Technology, Llc Beam displacement apparatus for light detection and ranging
US20220291361A1 (en) 2021-03-13 2022-09-15 Silc Technologies, Inc. Use of circulator in lidar system
US11770189B2 (en) 2021-09-17 2023-09-26 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern
WO2023044538A1 (en) * 2021-09-24 2023-03-30 Baraja Pty Ltd An optical beam director
US12411213B2 (en) 2021-10-11 2025-09-09 Silc Technologies, Inc. Separation of light signals in a LIDAR system
US20220276347A1 (en) * 2021-12-09 2022-09-01 Intel Corporation Light detection and ranging system
US12362828B2 (en) 2022-04-08 2025-07-15 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern for fine point tracking
US11592540B1 (en) * 2022-06-23 2023-02-28 Ours Technology, Llc LIDAR sensor system including a dual-polarization transmit and receive optical antenna
WO2024040281A1 (en) * 2022-08-22 2024-02-29 Baraja Pty Ltd An optical beam director
US12422618B2 (en) 2022-10-13 2025-09-23 Silc Technologies, Inc. Buried taper with reflecting surface
KR102705268B1 (ko) * 2022-11-10 2024-09-11 주식회사 인포웍스 Fmcw 라이다의 반사신호 교차 획득 장치 및 그 방법
WO2025212138A1 (en) * 2024-04-04 2025-10-09 Aurora Operations, Inc. Light detection and ranging (lidar) sensor system for pitch-catch extension

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000002819A (ja) 1998-05-19 2000-01-07 Hewlett Packard Co <Hp> マルチポ―ト光学アセンブリに対する光ファイバの位置合わせ方法
JP2012207934A (ja) 2011-03-29 2012-10-25 Mitsubishi Electric Corp ドップラーライダ装置
JP2013160717A (ja) 2012-02-08 2013-08-19 Mitsubishi Electric Corp レーザ測距装置
JP2015517094A (ja) 2012-03-23 2015-06-18 ウインダー フォトニクス エー／エスＷｉｎｄａｒ Ｐｈｏｔｏｎｉｃｓ Ａ／Ｓ 複数方向のｌｉｄａｒシステム
WO2017054036A1 (en) 2015-09-28 2017-04-06 Baraja Pty Ltd Spatial profiling system and method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
IT1265018B1 (it) * 1993-08-10 1996-10-17 Cselt Centro Studi Lab Telecom Dispositivo per l'estrazione e il reinserimento di una portante ottica in reti di comunicazione ottica.
JPH09127463A (ja) * 1995-10-31 1997-05-16 Hamamatsu Photonics Kk 光方向性結合器
US6377720B1 (en) 1999-02-24 2002-04-23 Micro-Optics, Inc. Inline optical circulators
US6263131B1 (en) * 1999-07-02 2001-07-17 Nortel Networks (Photonics) Pty Ltd. Reflective non-reciprocal optical device
US6339661B1 (en) * 1999-10-20 2002-01-15 Micro-Optics, Inc. Polarization maintaining fiber optic circulators
US6459826B1 (en) * 2000-03-21 2002-10-01 Lucent Technologies Inc. Programmable optical switch apparatus
US6535324B1 (en) * 2000-05-23 2003-03-18 Novera Optics, Inc. Bi-directional wavelength-selective optical data apparatus
JP2002268013A (ja) 2001-03-09 2002-09-18 Furukawa Electric Co Ltd:The 光サーキュレータ
US20040086214A1 (en) 2002-07-10 2004-05-06 Finisar Corporation Optical circulator for bi-directional communication
US20060044650A1 (en) * 2004-08-27 2006-03-02 Liren Du Low insertion loss circulator
JP5502271B2 (ja) * 2007-10-23 2014-05-28 横河電機株式会社 双方向光モジュールおよび光パルス試験器
US7715664B1 (en) * 2007-10-29 2010-05-11 Agiltron, Inc. High power optical isolator
US20160291137A1 (en) 2013-12-10 2016-10-06 Mitsubishi Electric Corporation Laser radar device
US9816860B2 (en) * 2014-08-22 2017-11-14 Spectrasensors, Inc. Spectrometer with active beam steering
US10732287B2 (en) 2014-12-19 2020-08-04 Windar Photonics A/S LIDAR based on MEMS
US10228517B2 (en) * 2015-03-03 2019-03-12 Nistica, Inc. Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch
US20180128904A1 (en) 2016-11-07 2018-05-10 Uber Technologies, Inc. Lidar scanner with optical amplification

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000002819A (ja) 1998-05-19 2000-01-07 Hewlett Packard Co <Hp> マルチポ―ト光学アセンブリに対する光ファイバの位置合わせ方法
JP2012207934A (ja) 2011-03-29 2012-10-25 Mitsubishi Electric Corp ドップラーライダ装置
JP2013160717A (ja) 2012-02-08 2013-08-19 Mitsubishi Electric Corp レーザ測距装置
JP2015517094A (ja) 2012-03-23 2015-06-18 ウインダー フォトニクス エー／エスＷｉｎｄａｒ Ｐｈｏｔｏｎｉｃｓ Ａ／Ｓ 複数方向のｌｉｄａｒシステム
WO2017054036A1 (en) 2015-09-28 2017-04-06 Baraja Pty Ltd Spatial profiling system and method

Also Published As

Publication number Publication date
AU2018359007A1 (en) 2020-05-14
EP3704538A1 (en) 2020-09-09
JP2021501364A (ja) 2021-01-14
EP3704538A4 (en) 2021-08-18
US20200333441A1 (en) 2020-10-22
KR20200112808A (ko) 2020-10-05
US11714168B2 (en) 2023-08-01
CN111801617A (zh) 2020-10-20
CN111801617B (zh) 2024-04-23
CA3079611A1 (en) 2019-05-09
WO2019084610A1 (en) 2019-05-09

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