TW363139B - Depolarizer of fiber optics and method for depolarization of light beam - Google Patents

Depolarizer of fiber optics and method for depolarization of light beam

Info

Publication number
TW363139B
TW363139B TW087106752A TW87106752A TW363139B TW 363139 B TW363139 B TW 363139B TW 087106752 A TW087106752 A TW 087106752A TW 87106752 A TW87106752 A TW 87106752A TW 363139 B TW363139 B TW 363139B
Authority
TW
Taiwan
Prior art keywords
light beam
depolarization
recycled
fiber optics
depolarizer
Prior art date
Application number
TW087106752A
Other languages
English (en)
Inventor
Pai-Sheng Shen
Original Assignee
Alliance Fiber Optics Prod 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
Application filed by Alliance Fiber Optics Prod Inc filed Critical Alliance Fiber Optics Prod Inc
Application granted granted Critical
Publication of TW363139B publication Critical patent/TW363139B/zh

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2706Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
    • G02B6/2713Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2706Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2726Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2726Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide
    • G02B6/274Optical coupling means with polarisation selective and adjusting means in or on light guides, e.g. polarisation means assembled in a light guide based on light guide birefringence, e.g. due to coupling between light guides
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/27Optical coupling means with polarisation selective and adjusting means
    • G02B6/2753Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2786Reducing the polarisation degree, i.e. depolarisers, scramblers, unpolarised output

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Lasers (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
TW087106752A 1997-05-01 1998-05-01 Depolarizer of fiber optics and method for depolarization of light beam TW363139B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/847,177 US5933555A (en) 1997-05-01 1997-05-01 Optical recirculation depolarizer and method of depolarizing light

Publications (1)

Publication Number Publication Date
TW363139B true TW363139B (en) 1999-07-01

Family

ID=25299984

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087106752A TW363139B (en) 1997-05-01 1998-05-01 Depolarizer of fiber optics and method for depolarization of light beam

Country Status (5)

Country Link
US (4) US5933555A (zh)
EP (1) EP0877265A1 (zh)
JP (1) JPH1138331A (zh)
CN (1) CN1119691C (zh)
TW (1) TW363139B (zh)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933555A (en) * 1997-05-01 1999-08-03 Alliance Fiber Optics Products, Inc. Optical recirculation depolarizer and method of depolarizing light
JP3473389B2 (ja) * 1998-04-03 2003-12-02 住友電装株式会社 光スターカプラ
US6611369B2 (en) 1999-09-06 2003-08-26 Furukawa Electric Co., Ltd. Optical signal amplifier
US7154382B2 (en) * 1999-12-30 2006-12-26 Ambient Corporation Arrangement of inductive couplers for data communication
US6573737B1 (en) * 2000-03-10 2003-06-03 The Trustees Of Princeton University Method and apparatus for non-contact measurement of electrical properties of materials
US6760151B1 (en) 2000-04-27 2004-07-06 Jds Uniphase Corporation Depolarized semiconductor laser sources
US7099081B2 (en) * 2000-08-18 2006-08-29 Tokyo Electron Limited Small-spot spectrometry instrument with reduced polarization and multiple-element depolarizer therefor
US6667805B2 (en) 2000-08-18 2003-12-23 Sensys Instruments Corporation Small-spot spectrometry instrument with reduced polarization
US6603593B2 (en) 2001-03-13 2003-08-05 Jds Uniphase Corporation Optical transmission link including raman amplifier
EP1241499A1 (en) * 2001-03-13 2002-09-18 JDS Uniphase Inc. Laser with depolariser
US6545800B1 (en) * 2001-06-05 2003-04-08 Onetta, Inc. Depolarizers for optical channel monitors
US20030021302A1 (en) * 2001-07-18 2003-01-30 Grudinin Anatoly Borisovich Raman cascade light sources
US6735350B1 (en) 2001-08-31 2004-05-11 Nlight Photonics Corporation Passive depolarizer
CA2357955C (en) * 2001-09-28 2008-11-18 Itf Technologies Optiques Inc./Itf Optical Technologies Inc. All-fiber depolarizer
US7010195B2 (en) 2002-03-15 2006-03-07 Fitel Usa Corp. Fiber optic grating with tunable polarization dependent loss
US20040256539A1 (en) * 2002-03-19 2004-12-23 Clay Joseph M. Method and apparatus for converting or otherwise utilizing radiation pressure to generate mechanical work
US6819810B1 (en) * 2002-04-09 2004-11-16 Oplink Communications, Inc. Depolarizer
JP3896481B2 (ja) * 2002-06-03 2007-03-22 独立行政法人産業技術総合研究所 光導波路素子の作製方法
US6891998B2 (en) * 2002-09-27 2005-05-10 Intel Corporation Methods and apparatus for passive depolarization
US7382984B2 (en) * 2002-10-03 2008-06-03 Nortel Networks Limited Electrical domain compensation of optical dispersion in an optical communications system
US7756421B2 (en) * 2002-10-03 2010-07-13 Ciena Corporation Electrical domain compensation of non-linear effects in an optical communications system
US7382985B2 (en) * 2002-12-02 2008-06-03 Nortel Networks Limited Electrical domain mitigation of polarization dependent effects in an optical communications system
US7023601B2 (en) * 2002-12-02 2006-04-04 Nortel Networks Limited Optical E-field modulation using a Mach-Zehnder interferometer
CA2414023C (en) * 2002-12-12 2008-11-04 Itf Technologies Optiques Inc.- Itf Optical Technologies Inc. All-fiber linear design depolarizer for all-states of polarization
US7002733B2 (en) * 2003-01-30 2006-02-21 Quantum Photonics, Inc. Methods and devices for amplifying optical signals using a depolarizer
US6781537B1 (en) 2003-06-10 2004-08-24 Nortel Networks Limited High speed digital to analog converter
US7680420B1 (en) 2003-10-03 2010-03-16 Nortel Networks Limited Optical E-field modulation using a directly driven laser
US7266306B1 (en) 2003-10-03 2007-09-04 Nortel Networks Limited Method for optical carrier suppression and quadrature control
US7672595B1 (en) 2003-12-23 2010-03-02 Nortel Networks Limited Optical transmission system architecture supporting migration to electronic compensation of link impairments
US7110623B1 (en) 2004-01-23 2006-09-19 Ralph Kalibjian Temporally coherent depolarizer and a polarization transformer
US7517728B2 (en) * 2004-03-31 2009-04-14 Cree, Inc. Semiconductor light emitting devices including a luminescent conversion element
US7321734B2 (en) 2004-07-29 2008-01-22 Nortel Networks Limited Digital synthesis of readily compensated optical signals
US7676161B2 (en) * 2004-12-10 2010-03-09 Nortel Networks Limited Modulation E-field based control of a non-linear transmitter
US7787778B2 (en) 2004-12-10 2010-08-31 Ciena Corporation Control system for a polar optical transmitter
US7254288B2 (en) * 2005-10-11 2007-08-07 Ralph Kalibjian Corner cube depolarizer
EP2642504B1 (en) * 2006-07-26 2019-03-27 Spacedesign Corporation Method and apparatus for communicating radiation pressure provided by a light wave
CN100498427C (zh) * 2007-07-25 2009-06-10 中国科学院上海技术物理研究所 五维光学调整架坐标解耦合方法
US8488919B1 (en) * 2009-01-07 2013-07-16 Alliance Fiber Optic Products, Inc. Apparatus for combining multiple signals as depolarized output
CN101526374B (zh) * 2009-02-13 2011-06-08 上海大学 抗偏振衰落及偏振相位噪声的全光纤Mach-Zehnder干涉仪
CN101726799B (zh) * 2009-12-22 2012-10-31 上海大学 单一自由度光纤环退偏方法
CN102162878B (zh) * 2011-05-25 2012-10-31 上海大学 输入偏振态无关的双光纤环级联退偏器
CN102985870B (zh) * 2011-09-22 2015-02-25 深圳市瑞利光通讯技术有限公司 退偏器
JP2013134320A (ja) * 2011-12-26 2013-07-08 Fujitsu Telecom Networks Ltd ラマン増幅用励起光源、ラマン増幅器および光伝送システム
CN102820611B (zh) * 2012-09-05 2014-06-04 天津奇谱光电技术有限公司 一种非偏振光输出的可调谐激光器
JP6236871B2 (ja) * 2013-05-21 2017-11-29 富士通株式会社 光伝送装置および光伝送方法

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4712306A (en) * 1985-12-27 1987-12-15 Mcdonnell Douglas Corporation Fiber optic earth rotation gyro compass
JPH0827212B2 (ja) * 1987-11-09 1996-03-21 大塚電子株式会社 分光器
US5446533A (en) * 1988-04-08 1995-08-29 Mcdonnell Douglas Corporation Fiber optic measuring apparatus and method
US4968112A (en) * 1990-01-04 1990-11-06 Smiths Industries Aerospace And Defense Systems Incorporated Apparatus for providing depolarized light
US5321503A (en) * 1990-06-04 1994-06-14 The United States Of America As Represented By The Secretary Of The Navy Closed loop, depolarized interferometric fiber optic (IFOG) gyroscope with self adjusting serrodyne phase nulling
JPH04218015A (ja) * 1990-07-27 1992-08-07 Victor Co Of Japan Ltd 偏光変換素子及び表示装置
CA2049382C (en) * 1990-08-27 1996-06-04 Yozo Nishiura Fiber-optic gyroscope with fibre polarizers, depolarizers and coupling means
US5159481A (en) * 1990-09-14 1992-10-27 Bell Communications Research, Inc. Polarization scrambler for polarization-sensitive optical devices
US5075893A (en) * 1990-12-07 1991-12-24 Battelle Memorial Institute Unpolarized laser oscillators
NL9002713A (nl) * 1990-12-10 1992-07-01 Nederland Ptt Transmissiesysteem voor de polarisatie-ongevoelige overdracht van signalen.
US5137360A (en) * 1990-12-21 1992-08-11 Honeywell Inc. Fiber optic gyro with a source at a first wavelength and a fiber optic loop designed for single mode operation at a wavelength longer than the first wavelength
US5365338A (en) * 1991-05-28 1994-11-15 The United States Of America As Represented By The Secretary Of The Navy Wavelength sensor for fiber optic gyroscope
US5218652A (en) * 1991-08-29 1993-06-08 Minnesota Mining And Manufacturing Company Depolarizer for electromagnetic radiation
DE4222658C1 (zh) * 1992-07-10 1993-07-22 Messerschmitt-Boelkow-Blohm Ag, 8012 Ottobrunn, De
US5408545A (en) * 1994-01-19 1995-04-18 Dicon Fiberoptics Depolarizer for fiber optic applications and method using same
US5457533A (en) * 1994-06-10 1995-10-10 Wilcken; Stephen K. Point-diffraction interferometer utilizing separate reference and signal beam paths
US5486916A (en) * 1994-07-29 1996-01-23 Litton Systems, Inc. Fiber depolarizer using heated fiber coil and fusion splicer and two polarization preserving fibers and method
US5644397A (en) * 1994-10-07 1997-07-01 The Texas A&M University System Fiber optic interferometric circuit and magnetic field sensor
US5636021A (en) * 1995-06-02 1997-06-03 Udd; Eric Sagnac/Michelson distributed sensing systems
US5933555A (en) * 1997-05-01 1999-08-03 Alliance Fiber Optics Products, Inc. Optical recirculation depolarizer and method of depolarizing light
US6211964B1 (en) * 1997-10-09 2001-04-03 Geosensor Corporation Method and structure for incorporating fiber optic acoustic sensors in a seismic array
GB9721473D0 (en) * 1997-10-09 1997-12-10 Sensor Dynamics Ltd Interferometric sensing apparatus
US6034924A (en) * 1998-04-03 2000-03-07 The Board Of Trustees Of The Leland Stanford Junior Univerisity Folded sagnac sensor array
US6317548B1 (en) * 1999-03-11 2001-11-13 Hughes Electronics Corporation Temperature and optical length control of optical fibers and optical waveguide devices

Also Published As

Publication number Publication date
US20010043769A1 (en) 2001-11-22
US5933555A (en) 1999-08-03
JPH1138331A (ja) 1999-02-12
US6205262B1 (en) 2001-03-20
CN1201153A (zh) 1998-12-09
US6421471B2 (en) 2002-07-16
EP0877265A1 (en) 1998-11-11
US6519378B1 (en) 2003-02-11
CN1119691C (zh) 2003-08-27

Similar Documents

Publication Publication Date Title
TW363139B (en) Depolarizer of fiber optics and method for depolarization of light beam
CA2237319A1 (en) Device for focusing light through an optical component
CA2195086A1 (en) Polarization-independent optical isolator
WO2010021671A3 (en) Planar polarization splitter
AU5819299A (en) Illumination system using edge-illuminated hollow waveguide and lenticular optical structures
WO2001065704A3 (en) Optical wavelength router based on polarization interferometer
EP0206577A3 (en) Optical fiber coupler
AU2748897A (en) High efficiency fiber optic coupler that reduces beam divergence
CA2175886A1 (en) Optical Wavelength Division Multiplexer Device
CA2211782A1 (en) Optical tap coupler device
WO2002061988A8 (en) Polarization mode dispersion compensator based on rotating micro-mirrors
WO2001042832A3 (en) Optical isolator using fused couplers in ferrules and grin-lenses
GB0110492D0 (en) Optical device
CA2329743A1 (en) Optical fiber, light-emitting module, and optical fiber amplifier
WO1997014226A3 (de) Schaltungsanordnung zur dispersionskompensation in optischen übertragungssystemen mit hilfe von gechirpten bragg-gittern
US6493140B1 (en) Polarization splitter and combiner and optical devices using the same
US5715340A (en) Optical coupler capable of preventing output of unwanted light at incidence end of optical isolator
JPS5789703A (en) Equalization system for optical-fiber delay dispersion
US7382980B2 (en) Optical communication apparatus, optical communication information decoding method, optical switching system, and driving method for optical switching system
SE9802254D0 (sv) Våglängdsselektivt switchelement
JPS5789702A (en) Optical-fiber wavelength dispersion equalizer
WO2001015287A3 (en) Semiconductor laser
JPS5929219A (ja) 光出力モニタ端子付き光結合器
JPS57112708A (en) Optical coupling device
JPS6448019A (en) Polarized light separating composite prism

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees