AU2001266589A1 - Tunable filter with core mode blocker - Google Patents

Tunable filter with core mode blocker

Info

Publication number
AU2001266589A1
AU2001266589A1 AU2001266589A AU6658901A AU2001266589A1 AU 2001266589 A1 AU2001266589 A1 AU 2001266589A1 AU 2001266589 A AU2001266589 A AU 2001266589A AU 6658901 A AU6658901 A AU 6658901A AU 2001266589 A1 AU2001266589 A1 AU 2001266589A1
Authority
AU
Australia
Prior art keywords
tunable filter
core mode
mode blocker
blocker
core
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.)
Abandoned
Application number
AU2001266589A
Other languages
English (en)
Inventor
In-Kag Hwang
Byoung Yoon Kim
Myoung Soo Lee
Wayne Sorin
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.)
Novera Optics Inc
Original Assignee
Novera Optics 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
Priority claimed from US09/666,763 external-priority patent/US6539148B1/en
Priority claimed from US09/729,661 external-priority patent/US6510261B2/en
Application filed by Novera Optics Inc filed Critical Novera Optics Inc
Publication of AU2001266589A1 publication Critical patent/AU2001266589A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02071—Mechanically induced gratings, e.g. having microbends
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/021—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape
    • 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
    • G02B6/14—Mode converters
    • 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
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
    • 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 
    • G02F1/11—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 acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • G02F1/125—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 acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves in an optical waveguide structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/02—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 fibre
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G02F2203/055—Function characteristic wavelength dependent wavelength filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Communication System (AREA)
AU2001266589A 2000-05-23 2001-05-15 Tunable filter with core mode blocker Abandoned AU2001266589A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US20676700P 2000-05-23 2000-05-23
US60/206,767 2000-05-23
US09/666,763 2000-09-21
US09/666,763 US6539148B1 (en) 1997-06-06 2000-09-21 Channel equalizer with acousto-optic variable attenuators
US09/729,661 US6510261B2 (en) 1997-06-06 2000-12-04 Acousto-optic variable attenuator with active cancellation of back reflections
US09/729,661 2000-12-04
US09/765,971 US6631224B2 (en) 1997-06-06 2001-01-19 Tunable filter with core mode blocker
US09/765,971 2001-01-19
PCT/US2001/015951 WO2001090805A2 (fr) 2000-05-23 2001-05-15 Filtre accordable comportant un moyen de blocage de mode de coeur

Publications (1)

Publication Number Publication Date
AU2001266589A1 true AU2001266589A1 (en) 2001-12-03

Family

ID=27498633

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001266589A Abandoned AU2001266589A1 (en) 2000-05-23 2001-05-15 Tunable filter with core mode blocker

Country Status (3)

Country Link
US (1) US6631224B2 (fr)
AU (1) AU2001266589A1 (fr)
WO (1) WO2001090805A2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6847742B2 (en) * 1997-06-16 2005-01-25 Novera Optics, Inc. Tunable dynamic gain flattening filter using polarization delays
US6850655B2 (en) 1997-06-16 2005-02-01 Novera Optics, Inc. Optical apparatus with faraday rotator, static gain flattening filter and variable optical attenuator
US20030215185A1 (en) * 1999-12-06 2003-11-20 Cidra Corporation, Large diameter optical waveguide having long period grating therein
US6904188B1 (en) 2001-03-16 2005-06-07 Novera Optics, Inc. Acousto-optic tunable filter having improved wave-damping capability
US6556729B2 (en) * 2001-07-27 2003-04-29 The United States Of America As Represented By The National Security Agency Acousto-optic bandpass filter
US6826327B1 (en) 2001-12-18 2004-11-30 Novera Optics, Inc. Tunable narrow band optical filter
US7196744B1 (en) * 2002-10-18 2007-03-27 Finisar Corporation Optical transceiver package with a liquid crystal variable optical attenuator
US6950566B1 (en) 2003-08-27 2005-09-27 Novera Optics, Inc. Method and apparatus for an acousto-optic filter that generates a helical wave and method for manufacturing same
US7233724B2 (en) * 2003-11-20 2007-06-19 Northrop Grumman Corporation Long period bragg grating optical signal attenuation
US7446877B2 (en) 2004-08-27 2008-11-04 Bwt Property Inc. All-fiber spectroscopic optical sensor
GB2519462B (en) 2009-05-27 2015-07-08 Silixa Ltd Apparatus for optical sensing
WO2012161809A1 (fr) * 2011-02-24 2012-11-29 Ofs Fitel, Llc Modèles de fibres quasi unimodales à gradient d'indice pour multiplexage spatial
CN103259172B (zh) * 2013-04-22 2015-03-25 西北大学 基于光纤环形镜的射频调制可调谐全光纤激光器
CN105452951B (zh) * 2013-06-12 2018-10-19 康宁光电通信无线公司 电压控制式光学定向耦合器
EP3035091A4 (fr) * 2014-02-25 2017-04-05 Fujikura Ltd. Fibre multicoeur
US9397464B2 (en) 2014-12-19 2016-07-19 Lumentum Operations Llc Fiber laser assembly and method of generating light
CN113238398B (zh) * 2021-05-10 2023-02-10 重庆大学 基于声光超晶格调制的可快速大范围调谐超窄带滤波器

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4768851A (en) 1983-11-30 1988-09-06 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic modal coupler, interferometer and method of coupling spatial modes using same
US5022732A (en) * 1986-01-17 1991-06-11 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic intermode coupling single sideband frequency shifter
US5007705A (en) * 1989-12-26 1991-04-16 United Technologies Corporation Variable optical fiber Bragg filter arrangement
US5600473A (en) 1993-06-04 1997-02-04 Ciena Corporation Optical amplifier systems with add/drop multiplexing
IL106185A (en) * 1993-06-30 1997-03-18 Scitex Corp Ltd Optical waveguide mode coupling using mechanical wave interference
US5550940A (en) * 1995-02-24 1996-08-27 Lucent Technologies Inc. Optical tapping filters employing long period gratings
US5537238A (en) 1995-04-24 1996-07-16 International Business Machines Corporation Method and apparatus for making wavelength adjustments in a wavelength division multiplex system
US5532864A (en) 1995-06-01 1996-07-02 Ciena Corporation Optical monitoring channel for wavelength division multiplexed optical communication system
US6233379B1 (en) * 1997-06-06 2001-05-15 Ultraband Fiber Optics Acousto-optic filter
US6539148B1 (en) 1997-06-06 2003-03-25 Novera Optics, Inc. Channel equalizer with acousto-optic variable attenuators
US6266462B1 (en) * 1998-02-12 2001-07-24 Ultraband Fiber Optics Acousto-optic filter
US6151157A (en) 1997-06-30 2000-11-21 Uniphase Telecommunications Products, Inc. Dynamic optical amplifier
JP4031853B2 (ja) 1997-10-20 2008-01-09 富士通株式会社 双方向光通信用光伝送装置
US6058226A (en) * 1997-10-24 2000-05-02 D-Star Technologies Llc Optical fiber sensors, tunable filters and modulators using long-period gratings
JPH11191886A (ja) 1997-12-25 1999-07-13 Matsushita Electric Ind Co Ltd 画像データ処理方法および画像データ処理装置
US6151427A (en) 1999-04-20 2000-11-21 The United States Of America As Represented By The National Security Agency Tunable optic fiber bandpass filter using flexural acoustic waves
TW382662B (en) * 1999-06-25 2000-02-21 Nat Science Council Optical fiber reflector with adjustable reflectivity and its production method thereof

Also Published As

Publication number Publication date
WO2001090805A3 (fr) 2002-08-22
US20010024545A1 (en) 2001-09-27
US6631224B2 (en) 2003-10-07
WO2001090805A2 (fr) 2001-11-29

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