JP7687441B2 - 光伝送システム、および光伝送システムの制御方法 - Google Patents

光伝送システム、および光伝送システムの制御方法 Download PDF

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Publication number
JP7687441B2
JP7687441B2 JP2023565729A JP2023565729A JP7687441B2 JP 7687441 B2 JP7687441 B2 JP 7687441B2 JP 2023565729 A JP2023565729 A JP 2023565729A JP 2023565729 A JP2023565729 A JP 2023565729A JP 7687441 B2 JP7687441 B2 JP 7687441B2
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Japan
Prior art keywords
wavelength
subband
transmission system
optical transmission
signal light
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JP2023565729A
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Japanese (ja)
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JPWO2023105625A1 (https=
JPWO2023105625A5 (https=
Inventor
恵一 松本
晃平 細川
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NEC Corp
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NEC Corp
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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
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • 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
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
JP2023565729A 2021-12-07 2021-12-07 光伝送システム、および光伝送システムの制御方法 Active JP7687441B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/044904 WO2023105625A1 (ja) 2021-12-07 2021-12-07 光伝送システム、および光伝送システムの制御方法

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JPWO2023105625A1 JPWO2023105625A1 (https=) 2023-06-15
JPWO2023105625A5 JPWO2023105625A5 (https=) 2024-08-16
JP7687441B2 true JP7687441B2 (ja) 2025-06-03

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US (1) US20250038847A1 (https=)
JP (1) JP7687441B2 (https=)
WO (1) WO2023105625A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117354653B (zh) * 2023-12-05 2024-02-06 华海通信技术有限公司 一种海缆系统带宽复用方法及海缆系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017170008A1 (ja) 2016-03-30 2017-10-05 日本電気株式会社 励起光源装置および利得等化方法
WO2020137820A1 (ja) 2018-12-27 2020-07-02 日本電気株式会社 光増幅器、光増幅器の等化方法、および伝送システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3779502B2 (ja) * 1999-08-12 2006-05-31 富士通株式会社 光増幅装置、光送信装置、光伝送システム、光増幅方法および光入射方法
JP4411748B2 (ja) * 2000-06-21 2010-02-10 住友電気工業株式会社 光伝送システムおよび光伝送方法
JP4725951B2 (ja) * 2004-07-28 2011-07-13 富士通株式会社 波長多重信号光の増幅方法および光増幅器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017170008A1 (ja) 2016-03-30 2017-10-05 日本電気株式会社 励起光源装置および利得等化方法
WO2020137820A1 (ja) 2018-12-27 2020-07-02 日本電気株式会社 光増幅器、光増幅器の等化方法、および伝送システム

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US20250038847A1 (en) 2025-01-30
JPWO2023105625A1 (https=) 2023-06-15
WO2023105625A1 (ja) 2023-06-15

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