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Patent Searching and Data


Title:
伝送システム、伝送装置、及び制御方法
Document Type and Number:
Japanese Patent JP6946801
Kind Code:
B2
Abstract:
A transmission system includes a first transponder including a first I/Q modulator, and a second transponder including a second I/Q modulator, and configured to communicate with the first transponder using a frequency modulation scheme, wherein the first transponder is configured to set a first phase rotation mode in a first state for first light signal output from the first I/Q modulator, and transmit, to the second transponder, a first command to specify a second phase rotation mode for second light signal output from the second I/Q modulator, and the second transponder is configured to set, in response to the first command, the second phase rotation mode in a state specified by the first command.

Inventors:
Kuzutake
Takeshi Hoshida
Hisao Nakajima
Yuichi Akiyama
Application Number:
JP2017138364A
Publication Date:
October 06, 2021
Filing Date:
July 14, 2017
Export Citation:
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Assignee:
富士通株式会社
International Classes:
H04B10/077; H04B10/516; H04J11/00; H04L27/10
Domestic Patent References:
JP2013165407A
JP2015002519A
JP2015115693A
JP2014143614A
JP5278001B2
JP5712582B2
JP5870728B2
JP2016034078A
Other References:
TAO Z. et al.,Simple. Robust, and Wide-Range Frequency Offset Monitor for Automatic Frequency Control in Digital Coherent Receivers,33rd European Conference and Exhibition of Optical Communication,VDE,2007年
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito