JP5002538B2 - 光分岐装置 - Google Patents

光分岐装置 Download PDF

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Publication number
JP5002538B2
JP5002538B2 JP2008148064A JP2008148064A JP5002538B2 JP 5002538 B2 JP5002538 B2 JP 5002538B2 JP 2008148064 A JP2008148064 A JP 2008148064A JP 2008148064 A JP2008148064 A JP 2008148064A JP 5002538 B2 JP5002538 B2 JP 5002538B2
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JP
Japan
Prior art keywords
optical
wavelength
fiber
light
unit
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Expired - Fee Related
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JP2008148064A
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English (en)
Japanese (ja)
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JP2009296322A5 (enExample
JP2009296322A (ja
Inventor
一頼 梅松
祐輔 矢島
剛 狩野
俊樹 菅原
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2008148064A priority Critical patent/JP5002538B2/ja
Priority to US12/477,952 priority patent/US20090304388A1/en
Publication of JP2009296322A publication Critical patent/JP2009296322A/ja
Publication of JP2009296322A5 publication Critical patent/JP2009296322A5/ja
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Publication of JP5002538B2 publication Critical patent/JP5002538B2/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP2008148064A 2008-06-05 2008-06-05 光分岐装置 Expired - Fee Related JP5002538B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008148064A JP5002538B2 (ja) 2008-06-05 2008-06-05 光分岐装置
US12/477,952 US20090304388A1 (en) 2008-06-05 2009-06-04 Optical Branching Apparatus and Passive Optical Network System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008148064A JP5002538B2 (ja) 2008-06-05 2008-06-05 光分岐装置

Publications (3)

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JP2009296322A JP2009296322A (ja) 2009-12-17
JP2009296322A5 JP2009296322A5 (enExample) 2010-08-05
JP5002538B2 true JP5002538B2 (ja) 2012-08-15

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Family Applications (1)

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JP2008148064A Expired - Fee Related JP5002538B2 (ja) 2008-06-05 2008-06-05 光分岐装置

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US (1) US20090304388A1 (enExample)
JP (1) JP5002538B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5123062B2 (ja) * 2008-06-12 2013-01-16 株式会社日立製作所 光通信システム及び光集線装置
EP2337255B1 (en) * 2009-12-15 2012-08-01 Alcatel Lucent Fusible single use optical beam shutter
CN102244538B (zh) * 2010-05-10 2015-06-17 华为技术有限公司 分支光纤检测系统及方法、光分配网络和分光器
JP2013140275A (ja) * 2012-01-05 2013-07-18 Sumitomo Electric Ind Ltd 光分岐・合成装置
WO2015124174A1 (en) * 2014-02-18 2015-08-27 Telefonaktiebolaget L M Ericsson (Publ) A security device for an optical network
JP7622523B2 (ja) * 2021-04-01 2025-01-28 沖電気工業株式会社 妨害光補正装置、ｐｏｎシステム、及び妨害光補正方法
JP7780111B2 (ja) * 2022-03-14 2025-12-04 Ｎｔｔ株式会社 監視装置および監視方法
CN115514416A (zh) * 2022-09-21 2022-12-23 中国电信股份有限公司 基于无源光纤网络的信号传输系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07231306A (ja) * 1994-02-16 1995-08-29 Furukawa Electric Co Ltd:The 光通信システム
JPH11112430A (ja) * 1997-10-08 1999-04-23 Fujitsu Ltd 光加入者ネットワークシステム及び光加入者ネットワークシステムにおける障害監視方法
JP2001168841A (ja) * 1999-12-09 2001-06-22 Nec Corp 波長多重光増幅器
JP3576440B2 (ja) * 2000-01-05 2004-10-13 日本電信電話株式会社 光増幅器、ノード装置および光通信ネットワークシステム
JP2004241855A (ja) * 2003-02-03 2004-08-26 Nippon Telegr & Teleph Corp <Ntt> 光ネットワークシステム
KR100605856B1 (ko) * 2003-09-24 2006-07-31 삼성전자주식회사 온도 모니터링이 가능한 파장 분할 다중화 방식의 광통신시스템

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US20090304388A1 (en) 2009-12-10
JP2009296322A (ja) 2009-12-17

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