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DE60038373D1 - Verfahren und vorrichtung zur filterung optischer wellenlängen - Google Patents

Verfahren und vorrichtung zur filterung optischer wellenlängen

Info

Publication number
DE60038373D1
DE60038373D1 DE60038373T DE60038373T DE60038373D1 DE 60038373 D1 DE60038373 D1 DE 60038373D1 DE 60038373 T DE60038373 T DE 60038373T DE 60038373 T DE60038373 T DE 60038373T DE 60038373 D1 DE60038373 D1 DE 60038373D1
Authority
DE
Germany
Prior art keywords
optical wavelength
multiplexer
filtering optical
variable optical
wavelength lengths
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.)
Expired - Lifetime
Application number
DE60038373T
Other languages
English (en)
Inventor
Torsten Augustsson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60038373D1 publication Critical patent/DE60038373D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/29304—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 diffraction, e.g. grating
    • G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931—Diffractive element operating in reflection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • 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
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • G02B6/29355—Cascade arrangement of interferometers
    • 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
    • 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
    • G02B6/29391—Power equalisation of different channels, e.g. power flattening
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • 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
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • G02B6/29353—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide with a wavelength selective element in at least one light guide interferometer arm, e.g. grating, interference filter, resonator
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optical Communication System (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Filters (AREA)
  • Lasers (AREA)
DE60038373T 1999-04-30 2000-04-14 Verfahren und vorrichtung zur filterung optischer wellenlängen Expired - Lifetime DE60038373D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9901559A SE514069C2 (sv) 1999-04-30 1999-04-30 Optiskt våglängdsselektivt filter samt förfarande för att selektivt filtrera minst en våglängd från en grupp av våglängder
PCT/SE2000/000720 WO2000067407A1 (en) 1999-04-30 2000-04-14 A device and method for filtering optical wavelengths

Publications (1)

Publication Number Publication Date
DE60038373D1 true DE60038373D1 (de) 2008-04-30

Family

ID=20415412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038373T Expired - Lifetime DE60038373D1 (de) 1999-04-30 2000-04-14 Verfahren und vorrichtung zur filterung optischer wellenlängen

Country Status (13)

Country Link
US (1) US6473540B1 (de)
EP (1) EP1179238B1 (de)
JP (1) JP2002543477A (de)
KR (1) KR20020012189A (de)
CN (1) CN1229938C (de)
AT (1) ATE389985T1 (de)
AU (1) AU4632200A (de)
CA (1) CA2370757C (de)
DE (1) DE60038373D1 (de)
HK (1) HK1046339B (de)
SE (1) SE514069C2 (de)
TW (1) TW468313B (de)
WO (1) WO2000067407A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7085494B2 (en) 2000-10-12 2006-08-01 At & T Corp. High-capacity packet-switched ring network
GB2376531A (en) * 2001-06-13 2002-12-18 Bookham Technology Plc Multichannel wavelength monitoring apparatus
US7092609B2 (en) * 2002-01-31 2006-08-15 Intel Corporation Method to realize fast silicon-on-insulator (SOI) optical device
US6785430B2 (en) * 2002-02-25 2004-08-31 Intel Corporation Method and apparatus for integrating an optical transmit module
US6782185B2 (en) 2002-07-03 2004-08-24 Sumitomo Electric Industries, Ltd. Optical variable attenuator and optical module
KR100442658B1 (ko) * 2002-08-14 2004-08-02 삼성전자주식회사 파장분할다중 광통신 시스템의 광원 발생장치
EP1654588A1 (de) * 2003-06-20 2006-05-10 University of Johannesburg Vorrichtung zum ausgleichen des spektrums einer breitbandigen lichtquelle
JP2008193512A (ja) * 2007-02-06 2008-08-21 Nippon Telegr & Teleph Corp <Ntt> チャネルフィルタおよび光分岐挿入装置
US8271072B2 (en) * 2009-10-30 2012-09-18 Medtronic, Inc. Detecting worsening heart failure
CN105467532B (zh) * 2014-09-12 2017-06-13 祥茂光电科技股份有限公司 光接收次组件与其制造方法
CN107078794B (zh) * 2014-10-06 2019-12-31 光互通控股有限公司 光信号路由装置
CN107332102B (zh) * 2017-07-15 2019-03-26 西安电子科技大学 基于相位差光纤光栅和马赫增德尔滤波器超窄线宽激光器
CN110620325B (zh) 2018-06-20 2022-02-11 华为技术有限公司 波长可调谐的激光器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457760A (en) * 1994-05-06 1995-10-10 At&T Ipm Corp. Wavelength division optical multiplexing elements
GB9420132D0 (en) * 1994-10-05 1994-11-16 Norhern Telecom Limited Optical amplifiers
KR0150486B1 (ko) * 1994-12-07 1998-12-01 양승택 단일 펌프 광원을 이용한 파장가변형 다파장 광섬유 레이저 구도
WO1996024080A2 (de) * 1995-02-01 1996-08-08 Leuthold Juerg Kompakte optisch-optische schalter und wellenlängen-konverter mittels multimode-interferenz moden-konvertern
US6055081A (en) * 1995-03-15 2000-04-25 Sumitomo Electric Industries, Ltd. Chromatic dispersion compensator and chromatic dispersion compensating optical communication system
IT1277397B1 (it) * 1995-07-31 1997-11-10 Pirelli Cavi S P A Ora Pirelli Sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda con separazione controllata dei canali in uscita
JP3730299B2 (ja) * 1996-02-07 2005-12-21 富士通株式会社 光等化増幅器および光等化増幅方法
US5742416A (en) * 1996-03-28 1998-04-21 Ciena Corp. Bidirectional WDM optical communication systems with bidirectional optical amplifiers
JPH10173597A (ja) * 1996-12-06 1998-06-26 Nec Corp 光イコライザ
JPH1146029A (ja) * 1997-05-29 1999-02-16 Nec Corp 波長多重光信号中継増幅装置及び光レベル調整装置
JP3552527B2 (ja) * 1998-03-19 2004-08-11 日立電線株式会社 光フィルタ
US6240222B1 (en) * 1998-09-10 2001-05-29 Agere Systems Optoelectronics Guardian Corp. Wavelength specific operations in optical systems

Also Published As

Publication number Publication date
CN1349692A (zh) 2002-05-15
CA2370757A1 (en) 2000-11-09
SE9901559L (sv) 2000-10-31
KR20020012189A (ko) 2002-02-15
AU4632200A (en) 2000-11-17
SE514069C2 (sv) 2000-12-18
CN1229938C (zh) 2005-11-30
US6473540B1 (en) 2002-10-29
HK1046339B (zh) 2006-08-11
SE9901559D0 (sv) 1999-04-30
CA2370757C (en) 2010-04-13
JP2002543477A (ja) 2002-12-17
HK1046339A1 (en) 2003-01-03
EP1179238B1 (de) 2008-03-19
EP1179238A1 (de) 2002-02-13
WO2000067407A1 (en) 2000-11-09
TW468313B (en) 2001-12-11
ATE389985T1 (de) 2008-04-15

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Legal Events

Date Code Title Description
8332 No legal effect for de