SG11201504831UA - Optical alignment structure and method of determining alignment information - Google Patents

Optical alignment structure and method of determining alignment information

Info

Publication number
SG11201504831UA
SG11201504831UA SG11201504831UA SG11201504831UA SG11201504831UA SG 11201504831U A SG11201504831U A SG 11201504831UA SG 11201504831U A SG11201504831U A SG 11201504831UA SG 11201504831U A SG11201504831U A SG 11201504831UA SG 11201504831U A SG11201504831U A SG 11201504831UA
Authority
SG
Singapore
Prior art keywords
determining
alignment
information
optical
optical alignment
Prior art date
Application number
SG11201504831UA
Inventor
Chao Li
Huijuan Zhang
Guo-Qiang Patrick Lo
Original Assignee
Agency Science Tech & Res
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 Agency Science Tech & Res filed Critical Agency Science Tech & Res
Priority to SG11201504831UA priority Critical patent/SG11201504831UA/en
Publication of SG11201504831UA publication Critical patent/SG11201504831UA/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
    • G02B6/24—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
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
    • G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
    • 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
    • G02B6/125—Bends, branchings or intersections
    • 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
    • G02B6/29331—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 evanescent wave coupling
    • G02B6/29335—Evanescent coupling to a resonator cavity, i.e. between a waveguide mode and a resonant mode of the cavity
    • G02B6/29338—Loop resonators
    • G02B6/2934—Fibre ring resonators, e.g. fibre coils
    • 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
    • G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
    • G02B6/4222—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera by observing back-reflected light
    • 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
    • G02B6/29331—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 evanescent wave coupling
    • G02B6/29335—Evanescent coupling to a resonator cavity, i.e. between a waveguide mode and a resonant mode of the cavity
    • G02B6/29338—Loop resonators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Couplings Of Light Guides (AREA)
SG11201504831UA 2013-01-15 2014-01-15 Optical alignment structure and method of determining alignment information SG11201504831UA (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG11201504831UA SG11201504831UA (en) 2013-01-15 2014-01-15 Optical alignment structure and method of determining alignment information

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG2013003256 2013-01-15
PCT/SG2014/000015 WO2014112949A1 (en) 2013-01-15 2014-01-15 Optical alignment structure and method of determining alignment information
SG11201504831UA SG11201504831UA (en) 2013-01-15 2014-01-15 Optical alignment structure and method of determining alignment information

Publications (1)

Publication Number Publication Date
SG11201504831UA true SG11201504831UA (en) 2015-07-30

Family

ID=54063247

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201504831UA SG11201504831UA (en) 2013-01-15 2014-01-15 Optical alignment structure and method of determining alignment information

Country Status (3)

Country Link
US (1) US10048453B2 (en)
SG (1) SG11201504831UA (en)
WO (1) WO2014112949A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9513447B1 (en) * 2015-05-14 2016-12-06 Huawei Technologies Co.., Ltd. Active photonic integrated circuit (PIC) with embedded coupling efficiency monitoring
CA2963128C (en) 2016-04-01 2021-07-20 Institut National D'optique Optical assembly and method for coupling a waveguide array to a photonic-integrated circuit
JP2018005067A (en) * 2016-07-06 2018-01-11 日本電気株式会社 Optical measurement element for alignment and method for aligning photoprobe using optical measurement element
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
JP7167492B2 (en) * 2018-06-05 2022-11-09 日本電信電話株式会社 Optical circuit for alignment
JP2019219459A (en) * 2018-06-18 2019-12-26 日本電信電話株式会社 Plane light wave circuit and optical device
CN112904501A (en) * 2021-03-26 2021-06-04 武汉华工正源光子技术有限公司 Test structure and coupling system for optical fiber and optical chip angle alignment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619368A (en) * 1995-05-16 1997-04-08 Massachusetts Inst. Of Technology Optical frequency shifter
CA2322552A1 (en) * 2000-09-26 2002-03-26 Jds Uniphase Inc. Scheme for measuring dispersion of chirped fbg and generating tunable narrow-band bandpass and notch filters using chirped fbg
US6654523B1 (en) * 2001-08-10 2003-11-25 Lightwave Microsystems Corporation Optical alignment guide and method for aligning an optical fiber array with an optical integrated circuit
US20030043862A1 (en) * 2001-08-31 2003-03-06 International Business Machines Corporation Dispersion compensation using optical wavelength locking for optical fiber links that transmit optical signals generated by short wavelength transmitters
US7378861B1 (en) * 2003-04-07 2008-05-27 Luxtera, Inc. Optical alignment loops for the wafer-level testing of optical and optoelectronic chips
US20050135733A1 (en) * 2003-12-19 2005-06-23 Benoit Reid Integrated optical loop mirror
CN100494897C (en) * 2006-12-31 2009-06-03 中国航天时代电子公司 Optical fiber gyroscope using mixed optical path of polarization maintaining and low polarization
US8068736B2 (en) * 2007-03-28 2011-11-29 The Furukawa Electric Co., Ltd. Tunable dispersion compensator
US7539375B2 (en) * 2007-05-04 2009-05-26 Massachusetts Institute Of Technology Optical coupled resonator structures based on loop-coupled cavities and loop coupling phase
EP2250462A2 (en) * 2008-02-14 2010-11-17 Ralph A. Bergh An interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same
US7715663B2 (en) * 2008-08-29 2010-05-11 Bae Systems Information And Electronic Systems Integration Inc. Integrated optical latch
KR20110091236A (en) 2010-02-05 2011-08-11 한국전자통신연구원 Optical connector and optical link apparatus having the same
US8494323B2 (en) * 2010-11-29 2013-07-23 Octrolix Bv Optical system having a symmetrical coupling region for coupling light between waveguides including an optically resonant element

Also Published As

Publication number Publication date
WO2014112949A1 (en) 2014-07-24
US10048453B2 (en) 2018-08-14
US20150355421A1 (en) 2015-12-10

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