FR2774534B1 - Dispositif de commande a distance d'un filtre accordable acousto-optique et systeme de transmission optique contenant un tel filtre - Google Patents

Dispositif de commande a distance d'un filtre accordable acousto-optique et systeme de transmission optique contenant un tel filtre

Info

Publication number
FR2774534B1
FR2774534B1 FR9809130A FR9809130A FR2774534B1 FR 2774534 B1 FR2774534 B1 FR 2774534B1 FR 9809130 A FR9809130 A FR 9809130A FR 9809130 A FR9809130 A FR 9809130A FR 2774534 B1 FR2774534 B1 FR 2774534B1
Authority
FR
France
Prior art keywords
filter
optical
acousto
control device
remote control
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
FR9809130A
Other languages
English (en)
Other versions
FR2774534A1 (fr
Inventor
Takafumi Terahara
Terumi Chikama
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2774534A1 publication Critical patent/FR2774534A1/fr
Application granted granted Critical
Publication of FR2774534B1 publication Critical patent/FR2774534B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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
    • H04J14/0202—Arrangements therefor
    • H04J14/0206—Express channels 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
    • H04J14/0202—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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR9809130A 1998-01-30 1998-07-17 Dispositif de commande a distance d'un filtre accordable acousto-optique et systeme de transmission optique contenant un tel filtre Expired - Fee Related FR2774534B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10020065A JPH11218728A (ja) 1998-01-30 1998-01-30 音響光学チュウナブルフィルタの遠隔制御装置並びに音響光学チュウナブルフィルタを用いた等化器を有する光伝送システム及び音響光学チュウナブルフィルタを用いた光合分波器を有する光伝送システム

Publications (2)

Publication Number Publication Date
FR2774534A1 FR2774534A1 (fr) 1999-08-06
FR2774534B1 true FR2774534B1 (fr) 2005-08-26

Family

ID=12016702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9809130A Expired - Fee Related FR2774534B1 (fr) 1998-01-30 1998-07-17 Dispositif de commande a distance d'un filtre accordable acousto-optique et systeme de transmission optique contenant un tel filtre

Country Status (3)

Country Link
US (2) US6366379B1 (fr)
JP (1) JPH11218728A (fr)
FR (1) FR2774534B1 (fr)

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JPH11218728A (ja) * 1998-01-30 1999-08-10 Fujitsu Ltd 音響光学チュウナブルフィルタの遠隔制御装置並びに音響光学チュウナブルフィルタを用いた等化器を有する光伝送システム及び音響光学チュウナブルフィルタを用いた光合分波器を有する光伝送システム
US20100030838A1 (en) * 1998-08-27 2010-02-04 Beepcard Ltd. Method to use acoustic signals for computer communications
IL127569A0 (en) 1998-09-16 1999-10-28 Comsense Technologies Ltd Interactive toys
US6607136B1 (en) 1998-09-16 2003-08-19 Beepcard Inc. Physical presence digital authentication system
JP2002527012A (ja) 1998-10-02 2002-08-20 コムセンス・テクノロジーズ・リミテッド コンピュータとの相互作用のためのカード
JP2000241782A (ja) * 1999-02-19 2000-09-08 Fujitsu Ltd 可変波長選択フィルタおよび分岐・挿入装置
US6771905B1 (en) * 1999-06-07 2004-08-03 Corvis Corporation Optical transmission systems including optical switching devices, control apparatuses, and methods
US8019609B2 (en) 1999-10-04 2011-09-13 Dialware Inc. Sonic/ultrasonic authentication method
JP4002708B2 (ja) * 2000-01-14 2007-11-07 富士通株式会社 音響光学フィルタの駆動方法、音響光学フィルタおよび選択波長増設方法ならびに光分岐・挿入装置および光通信システム
JP3487253B2 (ja) * 2000-03-08 2004-01-13 日本電気株式会社 光伝送路監視システム及び光伝送路監視方法
US7106969B1 (en) * 2001-02-12 2006-09-12 Atrica Israel Ltd. Optical network terminator
JP4647807B2 (ja) * 2001-03-06 2011-03-09 富士通株式会社 通信システム
US9219708B2 (en) 2001-03-22 2015-12-22 DialwareInc. Method and system for remotely authenticating identification devices
US20040105485A1 (en) * 2002-07-29 2004-06-03 Unaxis Usa, Inc. Temperature compensation for acousto-optc devices
GB2415556B (en) * 2003-04-15 2007-01-31 Fujitsu Ltd Optical transmission device
JP4713837B2 (ja) * 2004-02-10 2011-06-29 株式会社日立製作所 光分岐挿入多重化装置
US7551852B2 (en) * 2004-08-10 2009-06-23 Mindspeed Technologies, Inc. Module to module signaling
US7343066B2 (en) * 2005-08-16 2008-03-11 Lucent Technologies Inc. Reconfigurable optical add/drop multiplexer
JP4777948B2 (ja) * 2007-08-16 2011-09-21 日本電信電話株式会社 光回線終端装置
US8554081B2 (en) * 2008-07-09 2013-10-08 Tyco Electronics Subsea Communications, Llc Optical add/drop multiplexer including reconfigurable filters and system including the same
US8139281B1 (en) * 2009-02-17 2012-03-20 Lockheed Martin Corporation Tunable optical filter apparatus and method
KR101007907B1 (ko) * 2009-06-22 2011-01-14 주식회사 에이스테크놀로지 주파수 튜너블 필터
KR101077570B1 (ko) * 2009-07-20 2011-10-27 주식회사 에이스테크놀로지 자동 제어가 가능한 주파수 튜너블 필터
JP5696584B2 (ja) * 2011-05-20 2015-04-08 ヤマハ株式会社 中継装置及びスピーカ装置
EP2573966B1 (fr) * 2011-07-20 2013-11-13 ADVA Optical Networking SE Procédé de blocage de longueur d'onde pour un dispositif émetteur-récepteur optique et dispositif émetteur-récepteur optique
EP2634935B1 (fr) * 2012-02-28 2014-09-17 Alcatel Lucent Transpondeur cohérent avec verrouillage de fréquence amélioré
GB2514134B (en) * 2013-05-14 2016-05-25 Toshiba Res Europe Ltd A signal manipulator for a quantum communication system
US9363585B2 (en) * 2014-04-17 2016-06-07 Alcatel Lucent Operations administration and management service for an optical layer of a communication network
TWI750216B (zh) 2016-08-30 2021-12-21 美商Ｍａｃｏｍ技術方案控股公司 具分散式架構之驅動器
MX2020007272A (es) 2018-01-08 2020-12-10 Ubicquia Llc Conector de accesorio de iluminacion aerea.
CN108896174B (zh) * 2018-04-02 2023-11-24 福建师范大学 一种声光滤波衍射光的色散补偿装置及其色散补偿方法
US10873170B2 (en) * 2018-05-04 2020-12-22 Ubicquia Llc Aerial lighting fixture connector
US10826729B1 (en) * 2019-07-19 2020-11-03 Eagle Technology, Llc Communication system with adjustable equalization levels and related methods
WO2021142216A1 (fr) 2020-01-10 2021-07-15 Macom Technology Solutions Holdings, Inc. Partitionnement d'égalisation optimal
US11575437B2 (en) 2020-01-10 2023-02-07 Macom Technology Solutions Holdings, Inc. Optimal equalization partitioning
US11116062B1 (en) 2020-11-23 2021-09-07 Ubicquia, Inc. Streetlight-based power tap
US11616529B2 (en) 2021-02-12 2023-03-28 Macom Technology Solutions Holdings, Inc. Adaptive cable equalizer
CN113506434A (zh) * 2021-07-12 2021-10-15 福建中电能源股份有限公司 应用在1100kv以下带电作业的电动升降用通讯控制方法
US11647315B2 (en) * 2021-09-23 2023-05-09 Scidatek Inc. Optical routing system for free space optical communication

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US4602342A (en) * 1983-10-04 1986-07-22 Westinghouse Electric Corp. Acousto-optic tunable filter
US5276543A (en) 1991-11-22 1994-01-04 Gte Laboratories Incorporated Optical signal equalizer for wavelength division multiplexed optical fiber systems
JP2817642B2 (ja) * 1995-01-05 1998-10-30 日本電気株式会社 高速可変光波長フィルタ
JP3000890B2 (ja) 1995-06-02 2000-01-17 日本電気株式会社 光スイッチ制御装置および方法
JP3825111B2 (ja) * 1996-12-25 2006-09-20 アークレイ株式会社 音響光学可変調フィルタの等価入射光角の決定方法
JPH11218728A (ja) * 1998-01-30 1999-08-10 Fujitsu Ltd 音響光学チュウナブルフィルタの遠隔制御装置並びに音響光学チュウナブルフィルタを用いた等化器を有する光伝送システム及び音響光学チュウナブルフィルタを用いた光合分波器を有する光伝送システム

Also Published As

Publication number Publication date
JPH11218728A (ja) 1999-08-10
US6366379B1 (en) 2002-04-02
FR2774534A1 (fr) 1999-08-06
US20020097467A1 (en) 2002-07-25
US6647211B2 (en) 2003-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160331