JPWO2022024256A1 - - Google Patents

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Publication number
JPWO2022024256A1
JPWO2022024256A1 JP2022539867A JP2022539867A JPWO2022024256A1 JP WO2022024256 A1 JPWO2022024256 A1 JP WO2022024256A1 JP 2022539867 A JP2022539867 A JP 2022539867A JP 2022539867 A JP2022539867 A JP 2022539867A JP WO2022024256 A1 JPWO2022024256 A1 JP WO2022024256A1
Authority
JP
Japan
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.)
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Application number
JP2022539867A
Other versions
JP7485985B2 (ja
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Publication of JPWO2022024256A1 publication Critical patent/JPWO2022024256A1/ja
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Publication of JP7485985B2 publication Critical patent/JP7485985B2/ja
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04B10/27—Arrangements for networking
    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne coherent receivers
    • 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
    • H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)
JP2022539867A 2020-07-29 2020-07-29 分岐比設定システム、光通信システムの製造方法及び光分岐装置 Active JP7485985B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/029041 WO2022024256A1 (ja) 2020-07-29 2020-07-29 分岐比設定システム、光通信システムの製造方法及び光分岐装置

Publications (2)

Publication Number Publication Date
JPWO2022024256A1 true JPWO2022024256A1 (ja) 2022-02-03
JP7485985B2 JP7485985B2 (ja) 2024-05-17

Family

ID=80035477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022539867A Active JP7485985B2 (ja) 2020-07-29 2020-07-29 分岐比設定システム、光通信システムの製造方法及び光分岐装置

Country Status (3)

Country Link
US (1) US20230291484A1 (ja)
JP (1) JP7485985B2 (ja)
WO (1) WO2022024256A1 (ja)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05136745A (ja) * 1991-11-11 1993-06-01 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
US20020110315A1 (en) * 2001-02-15 2002-08-15 Alcatel Usa Sourcing, L.P. Pre-splitter module for conditioning optical signals in an access network
JP2003249901A (ja) * 2002-02-22 2003-09-05 Nippon Telegr & Teleph Corp <Ntt> 双方向光通信システム
JP2004356807A (ja) * 2003-05-28 2004-12-16 Mitsubishi Cable Ind Ltd 光信号伝送構造
JP2006196948A (ja) * 2005-01-11 2006-07-27 Nippon Telegr & Teleph Corp <Ntt> 光通信システム及びその光出力制御部並びにその結合効率決定方法
JP2007116598A (ja) * 2005-10-24 2007-05-10 Fujikura Ltd 設備情報表示装置、設備情報表示方法及びコンピュータプログラム
JP2011188059A (ja) * 2010-03-05 2011-09-22 Kddi Corp 光通信システム及び光信号分岐装置
JP2012237590A (ja) * 2011-05-10 2012-12-06 Nippon Telegr & Teleph Corp <Ntt> 光線路識別システム及び方法
EP3588808A1 (en) * 2018-06-21 2020-01-01 Nokia Solutions and Networks Oy Twdm pon with variable splitting ratio
WO2020045185A1 (ja) * 2018-08-27 2020-03-05 日本電信電話株式会社 光通信システム及び光通信方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05136745A (ja) * 1991-11-11 1993-06-01 Nippon Telegr & Teleph Corp <Ntt> 光伝送方式
US20020110315A1 (en) * 2001-02-15 2002-08-15 Alcatel Usa Sourcing, L.P. Pre-splitter module for conditioning optical signals in an access network
JP2003249901A (ja) * 2002-02-22 2003-09-05 Nippon Telegr & Teleph Corp <Ntt> 双方向光通信システム
JP2004356807A (ja) * 2003-05-28 2004-12-16 Mitsubishi Cable Ind Ltd 光信号伝送構造
JP2006196948A (ja) * 2005-01-11 2006-07-27 Nippon Telegr & Teleph Corp <Ntt> 光通信システム及びその光出力制御部並びにその結合効率決定方法
JP2007116598A (ja) * 2005-10-24 2007-05-10 Fujikura Ltd 設備情報表示装置、設備情報表示方法及びコンピュータプログラム
JP2011188059A (ja) * 2010-03-05 2011-09-22 Kddi Corp 光通信システム及び光信号分岐装置
JP2012237590A (ja) * 2011-05-10 2012-12-06 Nippon Telegr & Teleph Corp <Ntt> 光線路識別システム及び方法
EP3588808A1 (en) * 2018-06-21 2020-01-01 Nokia Solutions and Networks Oy Twdm pon with variable splitting ratio
WO2020045185A1 (ja) * 2018-08-27 2020-03-05 日本電信電話株式会社 光通信システム及び光通信方法

Also Published As

Publication number Publication date
US20230291484A1 (en) 2023-09-14
WO2022024256A1 (ja) 2022-02-03
JP7485985B2 (ja) 2024-05-17

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