IN191995B - - Google Patents

Info

Publication number
IN191995B
IN191995B IN1298CA1997A IN191995B IN 191995 B IN191995 B IN 191995B IN 1298CA1997 A IN1298CA1997 A IN 1298CA1997A IN 191995 B IN191995 B IN 191995B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Do-Hyung Zee
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of IN191995B publication Critical patent/IN191995B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • 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
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • 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
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0018—Construction using tunable transmitters or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0024—Construction using space switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0045—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0049—Crosstalk reduction; Noise; Power budget

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
IN1298CA1997 1996-08-01 1997-07-09 IN191995B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960032235A KR100210913B1 (ko) 1996-08-01 1996-08-01 전송광의 파장을 자동 추적하여 필터링하는 광섬유증폭기 및 그 운용방법

Publications (1)

Publication Number Publication Date
IN191995B true IN191995B (es) 2004-02-07

Family

ID=19468595

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1298CA1997 IN191995B (es) 1996-08-01 1997-07-09

Country Status (9)

Country Link
US (1) US6028697A (es)
JP (1) JP3178661B2 (es)
KR (1) KR100210913B1 (es)
CN (1) CN1090414C (es)
DE (1) DE19733365A1 (es)
FR (1) FR2752067B1 (es)
GB (1) GB2315939B (es)
IN (1) IN191995B (es)
RU (1) RU2146069C1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11284263A (ja) * 1998-01-30 1999-10-15 Hitachi Cable Ltd 超広帯域波長分散補償デバイス，およびそれを用いた光通信システム
JP3468097B2 (ja) * 1998-03-17 2003-11-17 日立電線株式会社 超広帯域波長分散補償・増幅デバイス
US6275328B1 (en) * 1999-07-27 2001-08-14 Nortel Networks Limited Amplifier control
US20020159051A1 (en) * 2001-04-30 2002-10-31 Mingxian Guo Method for optical wavelength position searching and tracking
US20030113058A1 (en) * 2001-12-14 2003-06-19 Stayt John William Control system for dynamic gain equalization filter
ATE383687T1 (de) * 2003-06-04 2008-01-15 Ericsson Ab Kommunikationssystem
JP2004361818A (ja) * 2003-06-06 2004-12-24 Fujitsu Ltd 信号光送出部
TW200827798A (en) * 2006-12-20 2008-07-01 Inventec Multimedia & Telecom Switching device of light-beam channel of optical fiber network
CN101211087B (zh) 2006-12-31 2011-08-10 华为技术有限公司 一种光纤放大器及制作方法及光纤通信系统
JP4900482B2 (ja) * 2007-07-03 2012-03-21 富士通株式会社 レベル低下検出装置、光増幅装置、およびレベル低下検出方法
KR101811383B1 (ko) * 2015-12-23 2017-12-22 금오공과대학교 산학협력단 어댑터
KR200492116Y1 (ko) 2019-05-02 2020-08-10 송성빈 이중칫솔

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4671604A (en) * 1985-02-06 1987-06-09 The United States Of America As Represented By The Secretary Of The Air Force Wavelength dependent, tunable, optical time delay system for electrical signals
JPH0681119B2 (ja) * 1986-04-17 1994-10-12 日本電気株式会社 波長多重光伝送方式
US5260823A (en) * 1990-05-21 1993-11-09 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
JPH04264532A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 光増幅器
GB2260046B (en) * 1991-09-26 1995-02-15 Northern Telecom Ltd Optical communications systems
JPH05224158A (ja) * 1992-02-14 1993-09-03 Matsushita Electric Ind Co Ltd 光フィルター及びその光フィルターを用いた光増幅装置
JPH05257186A (ja) * 1992-03-16 1993-10-08 Fujitsu Ltd 光増幅器
JP3256713B2 (ja) * 1992-06-27 2002-02-12 キヤノン株式会社 波長可変フィルタ制御方式、制御装置及びそれを用いた光通信システム
JP3396270B2 (ja) * 1993-08-10 2003-04-14 富士通株式会社 光分散補償方式
JP2715883B2 (ja) * 1993-12-28 1998-02-18 日本電気株式会社 光増幅装置
CA2139957C (en) * 1994-02-18 1999-02-09 Andrew R. Chraplyvy Multi-channel optical fiber communication system
JPH07240551A (ja) * 1994-03-02 1995-09-12 Fujitsu Ltd 光増幅伝送装置におけるサージ光発生防止方式
JPH088835A (ja) * 1994-06-21 1996-01-12 Fujitsu Ltd 光伝送方式
JP2723067B2 (ja) * 1995-03-14 1998-03-09 日本電気株式会社 光増幅装置
JPH08331048A (ja) * 1995-06-05 1996-12-13 Fujitsu Ltd 光信号受信装置
US5600467A (en) * 1995-06-14 1997-02-04 Mci Communications Corp. Method and apparatus for reducing harmonic interference on multiplexed optical communication lines
US5633743A (en) * 1995-11-07 1997-05-27 Lucent Technologies Inc. Optical communications system using tunable tandem Fabry-Perot etalon
KR100194421B1 (ko) * 1996-01-29 1999-06-15 윤종용 광섬유증폭기
JP3512050B2 (ja) * 1996-06-11 2004-03-29 住友電気工業株式会社 光フィルタおよび光伝送システム

Also Published As

Publication number Publication date
GB2315939A (en) 1998-02-11
US6028697A (en) 2000-02-22
GB2315939B (en) 1998-10-14
RU2146069C1 (ru) 2000-02-27
JPH1075002A (ja) 1998-03-17
DE19733365A1 (de) 1998-02-12
FR2752067A1 (fr) 1998-02-06
GB9716218D0 (en) 1997-10-08
JP3178661B2 (ja) 2001-06-25
FR2752067B1 (fr) 2001-12-07
CN1090414C (zh) 2002-09-04
CN1181647A (zh) 1998-05-13
KR19980013662A (ko) 1998-05-15
KR100210913B1 (ko) 1999-07-15

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