HK1119255A1 - Hitless tunable filter - Google Patents

Hitless tunable filter

Info

Publication number
HK1119255A1
HK1119255A1 HK08109149.3A HK08109149A HK1119255A1 HK 1119255 A1 HK1119255 A1 HK 1119255A1 HK 08109149 A HK08109149 A HK 08109149A HK 1119255 A1 HK1119255 A1 HK 1119255A1
Authority
HK
Hong Kong
Prior art keywords
tunable filter
hitless tunable
hitless
filter
tunable
Prior art date
Application number
HK08109149.3A
Other languages
English (en)
Inventor
Tiejun Xia
David Chen
Original Assignee
Verizon Business Global Llc
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 Verizon Business Global Llc filed Critical Verizon Business Global Llc
Publication of HK1119255A1 publication Critical patent/HK1119255A1/xx

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
    • G02B6/29346—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 wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
    • G02B6/29365—Serial cascade of filters or filtering operations, e.g. for a large number of channels in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • 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
    • G02B6/29346—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 wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • 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
    • G02B6/29379—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 characterised by the function or use of the complete device
    • G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G02B6/29382—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and dropping
    • 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
    • G02B6/29379—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 characterised by the function or use of the complete device
    • G02B6/29395—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 characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
    • 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]
    • 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
    • G02B6/29379—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 characterised by the function or use of the complete device
    • G02B6/29398—Temperature insensitivity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Optical Communication System (AREA)
HK08109149.3A 2005-06-08 2008-08-18 Hitless tunable filter HK1119255A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/147,214 US7248758B2 (en) 2005-06-08 2005-06-08 Hitless tunable filter
PCT/US2006/022119 WO2006133297A2 (en) 2005-06-08 2006-06-07 Hitless tunable filter

Publications (1)

Publication Number Publication Date
HK1119255A1 true HK1119255A1 (en) 2009-02-27

Family

ID=37499103

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08109149.3A HK1119255A1 (en) 2005-06-08 2008-08-18 Hitless tunable filter

Country Status (8)

Country Link
US (3) US7248758B2 (xx)
EP (1) EP1907895A4 (xx)
JP (1) JP4837732B2 (xx)
KR (1) KR101259771B1 (xx)
CN (1) CN101203784B (xx)
CA (1) CA2611546C (xx)
HK (1) HK1119255A1 (xx)
WO (1) WO2006133297A2 (xx)

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US7974533B2 (en) * 2006-12-14 2011-07-05 Verizon Patent And Licensing Inc. Long reach optical network
US8452180B2 (en) * 2009-05-05 2013-05-28 Peiliang GAO Optical multiplexer
GB201116121D0 (en) * 2011-09-19 2011-11-02 Rolls Royce Plc Fluid riding device
CN104297921B (zh) * 2014-11-14 2017-10-31 珠海保税区光联通讯技术有限公司 光学可调滤波器
CN104950397B (zh) * 2015-06-29 2018-08-07 武汉光迅科技股份有限公司 一种带宽压缩的光滤波器
US20230296853A9 (en) 2015-10-08 2023-09-21 Teramount Ltd. Optical Coupling
CN108496315B (zh) * 2016-07-22 2019-11-22 华为技术有限公司 一种光分插复用器及其控制方法、收发机
US10382843B2 (en) * 2016-08-24 2019-08-13 Verizon Patent And Licensing Inc. Colorless, directionless, contentionless, spaceless, and flexible grid reconfigurable optical node
CN107422424A (zh) * 2017-08-14 2017-12-01 太仓宏微电子科技有限公司 一种基于可调谐滤波器的光交换阵列
US20220286221A1 (en) * 2019-09-06 2022-09-08 Telefonaktiebolaget Lm Ericsson (Publ) Optical Node and Optical Transceiver for Auto Tuning of Operational Wavelength
US11063683B1 (en) 2020-06-12 2021-07-13 Ciena Corporation Scalable ROADM architecture with multi-plane switching
US20230112320A1 (en) * 2021-10-08 2023-04-13 Zayo Group, LCC Alien wavelength management

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US5812291A (en) * 1995-03-22 1998-09-22 Cselt Centro Studi E Laboratori Telecomunicazioni S.P.A. Optical add-drop multiplexer for optical communication networks
JP3356365B2 (ja) * 1995-09-19 2002-12-16 ケイディーディーアイ株式会社 光ａｄｍ装置
KR100207602B1 (ko) * 1996-12-06 1999-07-15 윤종용 광 전력의 손실을 방지하는 광 파장 필터 및 이를 이용한 광 디멀티플렉서
CA2300886A1 (en) * 1997-09-18 1999-03-25 J. Michael Harris Wavelength-selective optical switching apparatus, optical communications apparatus using the same, and method for use in the optical communications apparatus
US5976991A (en) * 1998-06-11 1999-11-02 Air Products And Chemicals, Inc. Deposition of silicon dioxide and silicon oxynitride using bis(tertiarybutylamino) silane
US6320996B1 (en) * 1998-12-31 2001-11-20 Optical Coating Laboratory, Inc. Wavelength selective optical switch
US6240223B1 (en) * 1999-03-23 2001-05-29 At&T Corp. Tunable optical routing device and method
US6219474B1 (en) * 1999-03-24 2001-04-17 E-Tek Dynamics Configurable optical add/drop device
AU6100000A (en) * 1999-08-13 2001-03-13 Corning Incorporated Segmented thin film add/drop switch and multiplexer
US6718086B1 (en) * 2000-02-10 2004-04-06 Agere Systems, Inc. Article comprising a tunable filter
US6292299B1 (en) * 2000-02-14 2001-09-18 Lucent Technologies Inc. Tunable optical add/drop device and method
JP3819660B2 (ja) * 2000-02-15 2006-09-13 株式会社日立国際電気 半導体装置の製造方法および半導体製造装置
US20040247239A1 (en) * 2001-03-12 2004-12-09 Louay Eldada Hitless errorless trimmable dynamic optical add/drop multiplexer devices
US6594059B2 (en) * 2001-07-16 2003-07-15 Axsun Technologies, Inc. Tilt mirror fabry-perot filter system, fabrication process therefor, and method of operation thereof
JP3556187B2 (ja) * 2001-08-08 2004-08-18 サンテック株式会社 波長可変分波器及び波長可変合波器
US6888976B2 (en) * 2001-10-02 2005-05-03 Micron Optics Hitless tuning apparatus and methods for add/drop filters
TW542927B (en) * 2002-04-18 2003-07-21 Delta Electronics Inc Optical device
US6832018B2 (en) * 2002-04-30 2004-12-14 Mustafa A.G. Abushagur Dynamically reconfigurable optical add/drop multiplexer
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Also Published As

Publication number Publication date
US20060280401A1 (en) 2006-12-14
EP1907895A4 (en) 2008-08-27
WO2006133297A2 (en) 2006-12-14
KR101259771B1 (ko) 2013-05-03
CN101203784A (zh) 2008-06-18
CA2611546C (en) 2011-12-06
US20060280400A1 (en) 2006-12-14
WO2006133297A3 (en) 2007-06-07
EP1907895A2 (en) 2008-04-09
KR20080027335A (ko) 2008-03-26
CA2611546A1 (en) 2006-12-14
US7315674B2 (en) 2008-01-01
JP4837732B2 (ja) 2011-12-14
JP2008546037A (ja) 2008-12-18
CN101203784B (zh) 2010-06-23
US7313298B2 (en) 2007-12-25
US20060280402A1 (en) 2006-12-14
US7248758B2 (en) 2007-07-24

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150607