OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

An optical transmission system includes a plurality of transmission lines through which a mode-multiplexed signal obtained by multiplexing a plurality of optical signals of different types of modes is transmitted, and one or more mode group permutation units provided between the plurality of transmi...

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Hauptverfasser: MIZUNO, Takayuki, SHIBAHARA, Koki, MIYAMOTO, Yutaka
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
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creator MIZUNO, Takayuki
SHIBAHARA, Koki
MIYAMOTO, Yutaka
description An optical transmission system includes a plurality of transmission lines through which a mode-multiplexed signal obtained by multiplexing a plurality of optical signals of different types of modes is transmitted, and one or more mode group permutation units provided between the plurality of transmission lines. The mode group permutation unit changes, on a mode-group-by-mode-group basis, an optical signal of a mode belonging to a mode group to an optical signal of another mode belonging to a mode group after permutation corresponding to the mode group in such a manner that modes are interchanged between at least some of the plurality of optical signals multiplexed into the mode-multiplexed signal input from one of the plurality of transmission lines on an input side, and outputs the mode-multiplexed signal after mode interchange to one of the plurality of transmission lines on an output side.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
title OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD
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