CA2542170A1 - Optical microresonator with coupling elements for changing light direction - Google Patents

Optical microresonator with coupling elements for changing light direction Download PDF

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Publication number
CA2542170A1
CA2542170A1 CA002542170A CA2542170A CA2542170A1 CA 2542170 A1 CA2542170 A1 CA 2542170A1 CA 002542170 A CA002542170 A CA 002542170A CA 2542170 A CA2542170 A CA 2542170A CA 2542170 A1 CA2542170 A1 CA 2542170A1
Authority
CA
Canada
Prior art keywords
microcylinder
optical
waveguide
elements
coupling
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.)
Granted
Application number
CA002542170A
Other languages
French (fr)
Other versions
CA2542170C (en
Inventor
Robert M. Montgomery
Michael R. Lange
Michael Deroy
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.)
Harris Corp
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Publication of CA2542170A1 publication Critical patent/CA2542170A1/en
Application granted granted Critical
Publication of CA2542170C publication Critical patent/CA2542170C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G02B6/29331—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
    • G02B6/29343—Cascade of loop resonators
    • 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
    • G02B6/28—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
    • G02B6/29341—Loop resonators operating in a whispering gallery mode evanescently coupled to a light guide, e.g. sphere or disk or cylinder

Abstract

An optical microresonator includes a microcylinder and resonant waveguide formed on the microcylinder as a plurality of spaced resonant elements, for example, spaced ridges, and coupling elements operative with the resonant elements for optically coupling light from an optical source waveguide onto the microcylinder and changing light direction on the microcylinder.

Claims (10)

1. An optical microresonator comprising:

a microcylinder;

a resonant waveguide formed on the microcylinder and having a plurality of spaced resonant elements and coupling elements operative with the spaced resonant elements for optically coupling light from an optical source waveguide onto the microcylinder and changing light direction on the microcylinder as light is optically coupled onto the microcylinder from an optical source waveguide.
2. An optical microresonator according to Claim 1 wherein said coupling elements comprise notches formed at said spaced resonant elements.
3. An optical microresonator according to Claim 1 wherein said coupling elements are spaced a predetermined wavelength from each other to provide mutual waveguide coupling.
4. An optical microresonator according to Claim 1 wherein said coupling elements are formed as etched lines.
5. An optical microresonator coupling system comprising:

an optical source waveguide that receives light;

a microcylinder positioned adjacent the optical source waveguide;

a resonant waveguide formed on the microcylinder and having a plurality of spaced resonant elements for optically coupling light from the optical source waveguide onto the microcylinder; and a plurality of coupling elements formed on the microcylinder and operative with the spaced resonant elements for changing light direction on the microcylinder as light is optically coupled from the optical source waveguide onto the microcylinder.
6. An optical microresonator according to Claim 5 wherein said optical source waveguide comprises an optical fiber.
7. An optical microresonator according to Claim 5 and further comprising an optical exit waveguide positioned adjacent the microcylinder for allowing light to exit from the microcylinder into the optical exit waveguide.
8. A method of forming an optical microresonator which comprises:

providing a microcylinder;

forming a resonant waveguide on the microcylinder by forming a plurality of spaced resonant elements that optically couple to an optical source waveguide and receive light from the optical source waveguide; and forming coupling elements on the microcylinder and operative with the spaced resonant elements for changing light direction on the microcylinder as light is received from the optical source waveguide.
9. A method according to Claim 8, which further comprises forming the coupling elements as notches at the spaced resonant elements.
10. A method according to Claim 8, which further comprises etching lines at said spaced resonant elements to form the coupling elements.
CA2542170A 2005-04-26 2006-04-06 Optical microresonator with coupling elements for changing light direction Expired - Fee Related CA2542170C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/114,283 US7286734B2 (en) 2005-04-26 2005-04-26 Optical microresonator with coupling elements for changing light direction
US11/114,283 2005-04-26

Publications (2)

Publication Number Publication Date
CA2542170A1 true CA2542170A1 (en) 2006-10-26
CA2542170C CA2542170C (en) 2010-05-25

Family

ID=36991104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2542170A Expired - Fee Related CA2542170C (en) 2005-04-26 2006-04-06 Optical microresonator with coupling elements for changing light direction

Country Status (4)

Country Link
US (1) US7286734B2 (en)
EP (1) EP1717619A3 (en)
JP (1) JP4498306B2 (en)
CA (1) CA2542170C (en)

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Publication number Priority date Publication date Assignee Title
CN102119473B (en) * 2008-06-09 2012-07-04 惠普开发有限公司 Cylindrical resonators for optical signal routing
US8195118B2 (en) 2008-07-15 2012-06-05 Linear Signal, Inc. Apparatus, system, and method for integrated phase shifting and amplitude control of phased array signals
US8872719B2 (en) 2009-11-09 2014-10-28 Linear Signal, Inc. Apparatus, system, and method for integrated modular phased array tile configuration
US9389413B2 (en) 2011-07-06 2016-07-12 Cornell University Optomechanical oscillator network, control and synchronization methods, and applications
CN104979751B (en) * 2015-07-22 2018-09-11 中国科学院半导体研究所 A kind of annulus micro-cavity laser of orientation output
US20230324596A1 (en) * 2022-04-11 2023-10-12 Taiwan Semiconductor Manufacturing Company Ltd. Optical device

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US4159418A (en) * 1977-06-23 1979-06-26 Hughes Aircraft Company Delay line encoder-decoder
US4338570A (en) * 1981-06-08 1982-07-06 The United States Of America As Represented By The United States Department Of Energy Raman scattering in a whispering mode optical waveguide
JPS63164382A (en) 1986-12-26 1988-07-07 Matsushita Electric Ind Co Ltd Semiconductor laser device
US5274720A (en) * 1991-08-22 1993-12-28 Olympus Optical Co., Ltd. Optical system having a ring-shaped waveguide
US5825799A (en) * 1995-05-25 1998-10-20 Northwestern University Microcavity semiconductor laser
US5742633A (en) * 1996-10-02 1998-04-21 Yale University Asymmetric resonant optical cavity apparatus
US6052495A (en) * 1997-10-01 2000-04-18 Massachusetts Institute Of Technology Resonator modulators and wavelength routing switches
US6028693A (en) * 1998-01-14 2000-02-22 University Of Alabama In Huntsville Microresonator and associated method for producing and controlling photonic signals with a photonic bandgap delay apparatus
US6389197B1 (en) * 1999-02-10 2002-05-14 California Institute Of Technology Coupling system to a microsphere cavity
US6411752B1 (en) * 1999-02-22 2002-06-25 Massachusetts Institute Of Technology Vertically coupled optical resonator devices over a cross-grid waveguide architecture
WO2001038905A2 (en) * 1999-11-23 2001-05-31 Nanovation Technologies, Inc. Localized thermal tuning of ring resonators
WO2001061394A1 (en) * 2000-02-17 2001-08-23 Cquint Communications Corporation Resonant optical power control device assemblies
US6487233B2 (en) * 2000-02-23 2002-11-26 California Institute Of Technology Fiber-coupled microsphere laser
JP2001318246A (en) * 2000-05-12 2001-11-16 Japan Science & Technology Corp Optical waveguide coupler
WO2002013337A1 (en) * 2000-08-08 2002-02-14 California Institute Of Technology Optical sensing based on whispering-gallery-mode microcavity
US6661950B1 (en) * 2001-01-10 2003-12-09 Nomadics, Inc. Microresonator-based tuned optical filter
US6778318B2 (en) * 2001-06-29 2004-08-17 Hrl Laboratories, Llc Optical-to-wireless WDM converter
JP5291277B2 (en) * 2001-08-28 2013-09-18 アバゴ・テクノロジーズ・ジェネラル・アイピー（シンガポール）プライベート・リミテッド Columnar integrated circuit and method for manufacturing columnar integrated circuit
US20040184711A1 (en) * 2002-06-20 2004-09-23 Kenneth Bradley Optical switches and routers and optical filters
US7280721B2 (en) * 2002-11-06 2007-10-09 Azna Llc Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technology
US7400797B2 (en) * 2004-10-06 2008-07-15 Corning Incorporated Transverse closed-loop resonator

Also Published As

Publication number Publication date
EP1717619A3 (en) 2007-01-17
JP2006309236A (en) 2006-11-09
US20060239616A1 (en) 2006-10-26
JP4498306B2 (en) 2010-07-07
EP1717619A2 (en) 2006-11-02
CA2542170C (en) 2010-05-25
US7286734B2 (en) 2007-10-23

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Effective date: 20140408