SG10201805224XA - Through transmission path on photonic circuits for optical alignment - Google Patents

Through transmission path on photonic circuits for optical alignment

Info

Publication number
SG10201805224XA
SG10201805224XA SG10201805224XA SG10201805224XA SG10201805224XA SG 10201805224X A SG10201805224X A SG 10201805224XA SG 10201805224X A SG10201805224X A SG 10201805224XA SG 10201805224X A SG10201805224X A SG 10201805224XA SG 10201805224X A SG10201805224X A SG 10201805224XA
Authority
SG
Singapore
Prior art keywords
optical
optical alignment
transmission path
pic
photonic circuits
Prior art date
Application number
SG10201805224XA
Inventor
Long Chen
Christopher Doerr
Diedrik Vermeulen
Original Assignee
Acacia 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 Acacia Communications Inc filed Critical Acacia Communications Inc
Publication of SG10201805224XA publication Critical patent/SG10201805224XA/en

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
    • G02B6/10—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
    • G02B6/12004—Combinations of two or more optical elements
    • 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
    • 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
    • G02B6/1228—Tapered waveguides, e.g. integrated spot-size transformers
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/30—Optical coupling means for use between fibre and thin-film device
    • 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
    • G02B6/34—Optical coupling means utilising prism or grating
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4227—Active alignment methods, e.g. procedures and algorithms
    • 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
    • G02B2006/12109—Filter
    • 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
    • G02B2006/12126—Light absorber

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

THROUGH TRANSMISSION PATH ON PHOTONIC CIRCUITS FOR OPTICAL ALIGNMENT A photonic integrated circuit (PIC) may be optically aligned to a plurality of optical components (e.g., an optical fiber array). Optical alignment may be facilitated by the use of an optical impedance element coupled between a first input/output (I/O) optical waveguide and a second I/O optical waveguide of the PIC. The optical impedance element me be configured to be transmissive during optical alignment and to be non-transmissive during the regular operation of the PIC. FIG. 5
SG10201805224XA 2015-01-08 2016-01-08 Through transmission path on photonic circuits for optical alignment SG10201805224XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201562101049P 2015-01-08 2015-01-08

Publications (1)

Publication Number Publication Date
SG10201805224XA true SG10201805224XA (en) 2018-08-30

Family

ID=55642815

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201805224XA SG10201805224XA (en) 2015-01-08 2016-01-08 Through transmission path on photonic circuits for optical alignment
SG11201705528QA SG11201705528QA (en) 2015-01-08 2016-01-08 Through transmission path on photonic circuits for optical alignment

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201705528QA SG11201705528QA (en) 2015-01-08 2016-01-08 Through transmission path on photonic circuits for optical alignment

Country Status (5)

Country Link
US (2) US9494748B2 (en)
CN (2) CN107430251B (en)
DE (1) DE112016000295T5 (en)
SG (2) SG10201805224XA (en)
WO (1) WO2016112356A1 (en)

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* Cited by examiner, † Cited by third party
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SG10201805224XA (en) 2015-01-08 2018-08-30 Acacia Communications Inc Through transmission path on photonic circuits for optical alignment
US11057114B2 (en) 2016-08-04 2021-07-06 Acacia Communications, Inc. Optical loopback circuits for transceivers and related methods
WO2018045304A1 (en) * 2016-09-01 2018-03-08 Luxtera, Inc. Method and system for optical alignment to a silicon photonically-enabled integrated circuit
JP6585578B2 (en) 2016-11-07 2019-10-02 Ｎｔｔエレクトロニクス株式会社 Optical device and alignment method
US10281663B1 (en) * 2018-01-08 2019-05-07 Juniper Networks, Inc. Photonic integrated circuit with active alignment
CN112912778A (en) * 2018-06-03 2021-06-04 达斯特光子学公司 Apparatus and method for aligning laser unit and waveguide unit
US11217713B2 (en) * 2019-12-02 2022-01-04 Ciena Corporation Managing stray light absorption in integrated photonics devices
CN111416661B (en) * 2020-01-15 2021-06-29 华中科技大学 Light path alignment method for space optical communication
GB202002284D0 (en) * 2020-02-19 2020-04-01 Univ College Cork National Univ Of Ireland Devices and Methods for Wavegude Alignment
US11204463B1 (en) * 2020-07-17 2021-12-21 Globalfoundries U.S. Inc. Integrated circuit structure with optical absorber layer over optical grating coupler
US11556020B1 (en) 2020-07-29 2023-01-17 Acacia Communications, Inc. Integrated wavelength selector
US11552710B2 (en) 2020-08-17 2023-01-10 Acacia Communications, Inc. Resistivity engineered substrate for RF common-mode suppression
US11460372B2 (en) * 2020-09-03 2022-10-04 Ciena Corporation Characterizing integrated photonics devices
CN114280723A (en) * 2020-09-27 2022-04-05 中兴光电子技术有限公司 Optical chip, optical module and optical path alignment method
US20230221511A1 (en) * 2022-01-12 2023-07-13 Taiwan Semiconductor Manufacturing Company, Ltd. Semiconductor devices with vertically stacked waveguides
CN116047680A (en) * 2023-04-03 2023-05-02 众瑞速联（武汉）科技有限公司 Miniaturized silicon optical chip, silicon optical component and COB component thereof

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US4900118A (en) * 1987-05-22 1990-02-13 Furukawa Electric Co., Ltd. Multiple-fiber optical component and method for manufacturing of the same
JPH0875945A (en) * 1994-09-06 1996-03-22 Fujitsu Ltd Structure of waveguide type optical device and its production
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EP0961140A1 (en) * 1998-05-27 1999-12-01 Corning Incorporated Method and apparatus for aligning optical waveguide arrays
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Also Published As

Publication number Publication date
CN110568568A (en) 2019-12-13
DE112016000295T5 (en) 2017-09-21
US9494748B2 (en) 2016-11-15
CN107430251A (en) 2017-12-01
WO2016112356A1 (en) 2016-07-14
SG11201705528QA (en) 2017-08-30
CN110568568B (en) 2021-09-21
US20170031113A1 (en) 2017-02-02
US20160202432A1 (en) 2016-07-14
CN107430251B (en) 2019-09-13
US9829659B2 (en) 2017-11-28

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