JPWO2021070565A1 - - Google Patents

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Publication number
JPWO2021070565A1
JPWO2021070565A1 JP2021550547A JP2021550547A JPWO2021070565A1 JP WO2021070565 A1 JPWO2021070565 A1 JP WO2021070565A1 JP 2021550547 A JP2021550547 A JP 2021550547A JP 2021550547 A JP2021550547 A JP 2021550547A JP WO2021070565 A1 JPWO2021070565 A1 JP WO2021070565A1
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.)
Granted
Application number
JP2021550547A
Other versions
JP7334787B2 (ja
JPWO2021070565A5 (ja
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 filed Critical
Publication of JPWO2021070565A1 publication Critical patent/JPWO2021070565A1/ja
Publication of JPWO2021070565A5 publication Critical patent/JPWO2021070565A5/ja
Application granted granted Critical
Publication of JP7334787B2 publication Critical patent/JP7334787B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • 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
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • 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
    • H04J14/022—For interconnection of WDM optical networks
    • 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
    • H04J14/02212—Power control, e.g. to keep the total optical power constant by addition of a dummy signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0305—WDM arrangements in end terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computing Systems (AREA)
  • Optical Communication System (AREA)
JP2021550547A 2019-10-09 2020-09-14 光伝送装置及び光通信システム Active JP7334787B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019186378 2019-10-09
JP2019186378 2019-10-09
PCT/JP2020/034645 WO2021070565A1 (ja) 2019-10-09 2020-09-14 光伝送装置及び光通信システム

Publications (3)

Publication Number Publication Date
JPWO2021070565A1 true JPWO2021070565A1 (ja) 2021-04-15
JPWO2021070565A5 JPWO2021070565A5 (ja) 2022-06-02
JP7334787B2 JP7334787B2 (ja) 2023-08-29

Family

ID=75437110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021550547A Active JP7334787B2 (ja) 2019-10-09 2020-09-14 光伝送装置及び光通信システム

Country Status (3)

Country Link
US (1) US12057929B2 (ja)
JP (1) JP7334787B2 (ja)
WO (1) WO2021070565A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023181388A1 (ja) * 2022-03-25 2023-09-28 日本電気株式会社 光伝送システムおよび光伝送方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016523025A (ja) * 2013-04-26 2016-08-04 タイコ エレクトロニクス サブシー コミュニケーションズ エルエルシー ユーザ割り当て帯域幅を有する光通信システムにシステムポリシーを適用するためのシステム及び方法
US20190190231A1 (en) * 2017-12-20 2019-06-20 Nokia Of America Corporation Amplified optical link having a fault-protection capability

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003224542A (ja) 2002-01-30 2003-08-08 Kddi Submarine Cable Systems Inc 伝送容量拡大方法及び光送信端局装置
US7730229B2 (en) * 2006-07-28 2010-06-01 Fujitsu Limited Determining an aggreagated active/standby state for an interface unit form entity active/standby states
US9641275B2 (en) 2011-06-17 2017-05-02 Tyco Electronics Subsea Communications Llc Symmetric optical multiplexing node
JP6442884B2 (ja) * 2014-06-25 2018-12-26 富士通株式会社 光伝送システム、光伝送装置、及び、波長間隔測定装置
EP3439200B1 (en) * 2016-03-29 2022-08-03 Nec Corporation Optical wavelength multiplexing transmission system, optical wavelength multiplexer, and reserve-system confirmation method
JP6600324B2 (ja) 2017-02-15 2019-10-30 日本電信電話株式会社 光伝送システム
US10887289B2 (en) * 2018-08-21 2021-01-05 Fujitsu Limited Encryption in optical transport networks using multiple randomly selected keys

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016523025A (ja) * 2013-04-26 2016-08-04 タイコ エレクトロニクス サブシー コミュニケーションズ エルエルシー ユーザ割り当て帯域幅を有する光通信システムにシステムポリシーを適用するためのシステム及び方法
US20190190231A1 (en) * 2017-12-20 2019-06-20 Nokia Of America Corporation Amplified optical link having a fault-protection capability

Also Published As

Publication number Publication date
US12057929B2 (en) 2024-08-06
JP7334787B2 (ja) 2023-08-29
WO2021070565A1 (ja) 2021-04-15
US20240056212A1 (en) 2024-02-15

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