CA3079611A1 - Optical circulator - Google Patents

Optical circulator Download PDF

Info

Publication number
CA3079611A1
CA3079611A1 CA3079611A CA3079611A CA3079611A1 CA 3079611 A1 CA3079611 A1 CA 3079611A1 CA 3079611 A CA3079611 A CA 3079611A CA 3079611 A CA3079611 A CA 3079611A CA 3079611 A1 CA3079611 A1 CA 3079611A1
Authority
CA
Canada
Prior art keywords
light
optical
optical circulator
port
polarisation
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
CA3079611A
Other languages
English (en)
French (fr)
Inventor
Fernando Diaz
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
Original Assignee
Baraja Pty 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 claimed from AU2017904450A external-priority patent/AU2017904450A0/en
Application filed by Baraja Pty Ltd filed Critical Baraja Pty Ltd
Publication of CA3079611A1 publication Critical patent/CA3079611A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01S7/4814—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
    • 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
    • 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)
CA3079611A 2017-11-01 2018-10-31 Optical circulator Pending CA3079611A1 (en)

Applications Claiming Priority (5)

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

Publications (1)

Publication Number Publication Date
CA3079611A1 true CA3079611A1 (en) 2019-05-09

Family

ID=66331110

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3079611A Pending CA3079611A1 (en) 2017-11-01 2018-10-31 Optical circulator

Country Status (8)

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

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US12535586B2 (en) 2018-08-31 2026-01-27 SiLC Technology, Inc. Reduction of ADC sampling rates in LIDAR systems
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
CN114072691A (zh) 2019-07-04 2022-02-18 博莱佳私人有限公司 空间估计系统中的零差接收架构
JP7617107B2 (ja) * 2019-12-20 2025-01-17 ザ ジェネラル ホスピタル コーポレイション マルチビーム光コヒーレンストモグラフィのためのシステム、方法及び媒体
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
US20210373202A1 (en) * 2020-06-01 2021-12-02 Lockheed Martin Corporation Geometric phase and off-axis optics for reduced backscatter
US11435454B2 (en) * 2020-09-04 2022-09-06 Ours Technology, Llc Beam walkoff mitigation for light detection and ranging
US20220291361A1 (en) * 2021-03-13 2022-09-15 Silc Technologies, Inc. Use of circulator in lidar system
US12541009B2 (en) 2021-06-17 2026-02-03 Silc Technologies, Inc. Scanning multiple LIDAR system output signals
CN115902913A (zh) * 2021-08-24 2023-04-04 上海禾赛科技有限公司 激光收发模块和激光雷达系统
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
US12553995B2 (en) 2022-02-14 2026-02-17 Silc Technologies, Inc. Data refinement in optical systems
US12362828B2 (en) 2022-04-08 2025-07-15 Honeywell Limited Honeywell Limitée Optical communication system using a photonic lantern for fine point tracking
US12578443B2 (en) 2022-04-23 2026-03-17 Silc Technologies, Inc. Data refinement in optical imaging systems
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
US12510751B2 (en) * 2022-08-24 2025-12-30 Baraja Pty Ltd. 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
US12578439B2 (en) 2023-04-11 2026-03-17 Silc Technologies, Inc. Increasing resolution in imaging systems
WO2025212138A1 (en) * 2024-04-04 2025-10-09 Aurora Operations, Inc. Light detection and ranging (lidar) sensor system for pitch-catch extension

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Also Published As

Publication number Publication date
EP3704538A4 (en) 2021-08-18
US20200333441A1 (en) 2020-10-22
WO2019084610A1 (en) 2019-05-09
AU2018359007A1 (en) 2020-05-14
CN111801617B (zh) 2024-04-23
US11714168B2 (en) 2023-08-01
EP3704538A1 (en) 2020-09-09
CN111801617A (zh) 2020-10-20
JP2021501364A (ja) 2021-01-14
JP7228168B2 (ja) 2023-02-24
KR20200112808A (ko) 2020-10-05

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