JP4864771B2 - 光信号モニタ装置、光システム及び光信号モニタ方法 - Google Patents

光信号モニタ装置、光システム及び光信号モニタ方法 Download PDF

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Publication number
JP4864771B2
JP4864771B2 JP2007056010A JP2007056010A JP4864771B2 JP 4864771 B2 JP4864771 B2 JP 4864771B2 JP 2007056010 A JP2007056010 A JP 2007056010A JP 2007056010 A JP2007056010 A JP 2007056010A JP 4864771 B2 JP4864771 B2 JP 4864771B2
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Japan
Prior art keywords
optical
awg
output
input
optical switch
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JP2007056010A
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English (en)
Japanese (ja)
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JP2008219616A (ja
JP2008219616A5 (enExample
Inventor
貴晴 大山
隆司 郷
新 亀井
俊一 相馬
幹隆 井藤
育生 小川
明正 金子
智之 山田
充 永野
芳行 土居
隆志 才田
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NTT Electronics Corp
NTT Inc
NTT Inc USA
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NTT Electronics Corp
Nippon Telegraph and Telephone Corp
NTT Inc USA
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Application filed by NTT Electronics Corp, Nippon Telegraph and Telephone Corp, NTT Inc USA filed Critical NTT Electronics Corp
Priority to JP2007056010A priority Critical patent/JP4864771B2/ja
Priority to US12/042,767 priority patent/US20080226290A1/en
Publication of JP2008219616A publication Critical patent/JP2008219616A/ja
Publication of JP2008219616A5 publication Critical patent/JP2008219616A5/ja
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    • 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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP2007056010A 2007-03-06 2007-03-06 光信号モニタ装置、光システム及び光信号モニタ方法 Active JP4864771B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007056010A JP4864771B2 (ja) 2007-03-06 2007-03-06 光信号モニタ装置、光システム及び光信号モニタ方法
US12/042,767 US20080226290A1 (en) 2007-03-06 2008-03-05 Optical signal monitoring apparatus, optical system and optical signal monitoring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007056010A JP4864771B2 (ja) 2007-03-06 2007-03-06 光信号モニタ装置、光システム及び光信号モニタ方法

Publications (3)

Publication Number Publication Date
JP2008219616A JP2008219616A (ja) 2008-09-18
JP2008219616A5 JP2008219616A5 (enExample) 2009-04-23
JP4864771B2 true JP4864771B2 (ja) 2012-02-01

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JP2007056010A Active JP4864771B2 (ja) 2007-03-06 2007-03-06 光信号モニタ装置、光システム及び光信号モニタ方法

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US (1) US20080226290A1 (enExample)
JP (1) JP4864771B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5053980B2 (ja) * 2008-10-30 2012-10-24 日本電信電話株式会社 光波長多重信号監視装置および方法
JP2010219827A (ja) * 2009-03-16 2010-09-30 Nagoya Univ 光パスネットワークの階層化光パスクロスコネクト装置
JP2010226587A (ja) * 2009-03-25 2010-10-07 Nec Corp 光信号検出装置および光信号検出方法
JP5505098B2 (ja) * 2010-06-02 2014-05-28 富士通株式会社 波長多重装置および検出方法
DK2771733T3 (en) 2011-10-28 2018-11-19 Neophotonics Corp SCALABLE OPTICAL SWITCHES AND SWITCH MODULES
WO2014175835A1 (en) * 2013-04-26 2014-10-30 Agency For Science, Technology And Research Optical network architecture for datacenter
JP6052679B2 (ja) * 2013-07-29 2016-12-27 日本電信電話株式会社 光チャネルモニタ
US9742520B1 (en) 2014-09-19 2017-08-22 Neophotonics Corporation Optical switching system with a colorless, directionless, and contentionless ROADM connected to unamplified drop channels

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5701371A (en) * 1994-10-31 1997-12-23 Nippon Telegraph And Telephone Corporation Tunable optical filter
JP3264312B2 (ja) * 1994-10-31 2002-03-11 日本電信電話株式会社 チューナブル光フィルタ
JPH08163093A (ja) * 1994-12-09 1996-06-21 Hitachi Ltd 波長多重信号モニタ方法
JPH0964819A (ja) * 1995-08-23 1997-03-07 Fujitsu Ltd 光システム
JPH1041488A (ja) * 1996-07-19 1998-02-13 Nec Corp 回路内蔵受光素子
JPH10303821A (ja) * 1997-04-25 1998-11-13 Nec Corp 光信号増幅伝送方式
JP3905246B2 (ja) * 1999-05-06 2007-04-18 富士通株式会社 マルチ波長安定化装置、マルチ定波長光源装置、波長分割多重方式用光源装置および波長判別装置
JP2001068720A (ja) * 1999-08-25 2001-03-16 Nippon Telegr & Teleph Corp <Ntt> 光受信装置
US6804464B2 (en) * 2000-11-01 2004-10-12 Dowslake Microsystems Corporation Flexible and low cost wavelength management for optical networking
GB2369686A (en) * 2000-12-01 2002-06-05 Kymata Ltd Optical array waveguide grating for power monitor
US6801679B2 (en) * 2001-11-23 2004-10-05 Seungug Koh Multifunctional intelligent optical modules based on planar lightwave circuits
US7418174B2 (en) * 2002-04-26 2008-08-26 Ibiden Co., Ltd. Optical transmission structural body, optical waveguide, optical waveguide formation method, and optical wiring connection body
US7035505B2 (en) * 2003-07-23 2006-04-25 Jds Uniphase Corporation Optical performance monitor

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Publication number Publication date
US20080226290A1 (en) 2008-09-18
JP2008219616A (ja) 2008-09-18

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