DE69527843D1 - Methode zum Filtern von optischen Signalen - Google Patents

Methode zum Filtern von optischen Signalen

Info

Publication number
DE69527843D1
DE69527843D1 DE69527843T DE69527843T DE69527843D1 DE 69527843 D1 DE69527843 D1 DE 69527843D1 DE 69527843 T DE69527843 T DE 69527843T DE 69527843 T DE69527843 T DE 69527843T DE 69527843 D1 DE69527843 D1 DE 69527843D1
Authority
DE
Germany
Prior art keywords
optical signals
filtering optical
filtering
signals
optical
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 - Fee Related
Application number
DE69527843T
Other languages
English (en)
Other versions
DE69527843T2 (de
Inventor
Ian Laming
Wei-Hung Loh
Neil Payne
Nickolaos Zervas
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.)
University of Southampton
Original Assignee
University of Southampton
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 GB9410065A external-priority patent/GB9410065D0/en
Application filed by University of Southampton filed Critical University of Southampton
Publication of DE69527843D1 publication Critical patent/DE69527843D1/de
Application granted granted Critical
Publication of DE69527843T2 publication Critical patent/DE69527843T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • 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
    • G02F1/35—Non-linear optics
    • G02F1/3523—Non-linear absorption changing by light, e.g. bleaching
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/146—External cavity lasers using a fiber as external cavity
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • G02B2006/2839—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers fabricated from double or twin core fibres
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/06—Materials and properties dopant
    • 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
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729—Peculiar transverse fibre profile
    • H01S3/06737—Fibre having multiple non-coaxial cores, e.g. multiple active cores or separate cores for pump and gain
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • H01S3/08027—Longitudinal modes by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
DE69527843T 1994-05-19 1995-05-19 Methode zum Filtern von optischen Signalen Expired - Fee Related DE69527843T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9410065A GB9410065D0 (en) 1994-05-19 1994-05-19 Optical filter
GBGB9503781.8A GB9503781D0 (en) 1994-05-19 1995-02-24 External cavity laser
PCT/GB1995/001141 WO1995032451A1 (en) 1994-05-19 1995-05-19 Optical devices

Publications (2)

Publication Number Publication Date
DE69527843D1 true DE69527843D1 (de) 2002-09-26
DE69527843T2 DE69527843T2 (de) 2003-04-24

Family

ID=26304909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527843T Expired - Fee Related DE69527843T2 (de) 1994-05-19 1995-05-19 Methode zum Filtern von optischen Signalen

Country Status (6)

Country Link
US (1) US5930435A (de)
EP (3) EP1158351A1 (de)
AU (1) AU2530395A (de)
DE (1) DE69527843T2 (de)
GB (1) GB9503781D0 (de)
WO (1) WO1995032451A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078597A (en) * 1996-11-19 2000-06-20 At & T Corp. Method and apparatus for optical signal processing by photo-induced loss and/or gain gratings
US5828802A (en) * 1997-02-19 1998-10-27 Lucent Technologies, Inc. Self-tuning optical waveguide filter
JPH11214799A (ja) * 1998-01-26 1999-08-06 Furukawa Electric Co Ltd:The 半導体レーザモジュール
AUPP218198A0 (en) * 1998-03-04 1998-03-26 University Of Sydney, The Ultra-broadband low-noise gain-flattened rare-earth-doped fibre amplifier
JPH11326962A (ja) * 1998-03-09 1999-11-26 Yoshinobu Maeda アモルファス光素子
DE19917751C2 (de) * 1999-04-20 2001-05-31 Nokia Networks Oy Verfahren und Überwachungsvorrichtung zur Überwachung der Qualität der Datenübertragung über analoge Leitungen
US6205263B1 (en) * 1999-06-16 2001-03-20 Intelligent Optical Systems Distributed optical fiber sensor with controlled response
GB2371160B (en) * 2001-01-10 2004-06-30 Univ Aston Optical pulse regenerating transmission lines
US20020169735A1 (en) * 2001-03-07 2002-11-14 David Kil Automatic mapping from data to preprocessing algorithms
US7160746B2 (en) * 2001-07-27 2007-01-09 Lightwave Microsystems Corporation GeBPSG top clad for a planar lightwave circuit
US20030123830A1 (en) * 2001-11-19 2003-07-03 Aydin Yeniay Optical amplifier with gain flattening filter
GB2413697A (en) * 2004-04-27 2005-11-02 Bookham Technology Plc Uncooled semiconductor laser
US7781724B2 (en) * 2004-07-16 2010-08-24 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto
US20060013523A1 (en) * 2004-07-16 2006-01-19 Luna Innovations Incorporated Fiber optic position and shape sensing device and method relating thereto
US7772541B2 (en) * 2004-07-16 2010-08-10 Luna Innnovations Incorporated Fiber optic position and/or shape sensing based on rayleigh scatter
GB0801862D0 (en) 2008-02-01 2008-03-05 Qinetiq Ltd Method and apparatus for generating optical beats
DE112011100188T5 (de) * 2010-01-04 2013-01-10 Soreq Nuclear Research Center All-Fiber-Nieder-Moden-Strahlen-Combiner für hohe Leistung und hohe Strahlenqualität
JP5814314B2 (ja) * 2013-08-09 2015-11-17 株式会社フジクラ 光コンバイナ、及び、それを用いたレーザ装置、並びに、光コンバイナの製造方法
US10082383B2 (en) * 2015-03-05 2018-09-25 Harbin Institute Of Technology Method and equipment for dimensional measurement of a micro part based on fiber laser with multi-core FBG probe
US20160306256A1 (en) * 2015-04-15 2016-10-20 Chen-Kuo Sun Method for configuring an optical modulator
US20180081253A9 (en) * 2015-04-15 2018-03-22 Chen-Kuo Sun Optical modulator
CN109613646B (zh) * 2019-01-18 2020-07-03 厦门大学 一种传输光谱存在特征波长的异芯双芯光纤
US11901690B2 (en) * 2019-02-21 2024-02-13 Fujikura Ltd. Fiber laser device
US10838149B2 (en) * 2019-03-05 2020-11-17 Lawrence Livermore National Security, Llc Dual-core fiber amplifier for separation of thermal and nonlinear effects
US11061188B1 (en) * 2020-03-02 2021-07-13 Ad Value Photonics, Inc. Fiber coupler and method for fabrication of the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531811A (en) * 1979-03-19 1985-07-30 Polaroid Corporation Fiber optics polarizer
DE3782909D1 (de) * 1986-09-29 1993-01-14 Siemens Ag Lasersender mit einem halbleiterlaser und einem externen optischen resonator in form eines frequenzselektiven faserrichtkopplers.
US5087108A (en) * 1989-08-11 1992-02-11 Societa' Cavi Pirelli S.P.A. Double-core active-fiber optical amplifier having a wide-band signal wavelength
US5067789A (en) * 1991-02-14 1991-11-26 Corning Incorporated Fiber optic coupling filter and amplifier
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
US5550940A (en) * 1995-02-24 1996-08-27 Lucent Technologies Inc. Optical tapping filters employing long period gratings

Also Published As

Publication number Publication date
EP0760111B1 (de) 2002-08-21
WO1995032451A1 (en) 1995-11-30
EP0760111A1 (de) 1997-03-05
US5930435A (en) 1999-07-27
DE69527843T2 (de) 2003-04-24
EP1158351A1 (de) 2001-11-28
GB9503781D0 (en) 1995-04-12
AU2530395A (en) 1995-12-18
EP1158350A1 (de) 2001-11-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee