Title:
OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICATION SYSTEM, AND OPTICAL COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/091387
Kind Code:
A1
Abstract:
This optical communication device comprises: an optical switch that is connected to a plurality of transmission paths and outputs, to another transmission path, an optical signal input from any one of the transmission paths; a coupling brancher that branches and outputs the input optical signal to a plurality of ports of the optical switch or multiplexes and outputs the optical signal; and a switch control unit that controls the optical switch so that at least the optical signal output from the coupling brancher to the plurality of ports is output to the plurality of other ports to which the transmission path is connected according to a transfer destination on a route to a communication destination or the optical signal input from the plurality of ports to the coupling brancher is input from the plurality of other ports to which the transmission path is connected according to a route from a device that is the communication destination.
Inventors:
YOSHINO MANABU (JP)
Application Number:
PCT/JP2020/040982
Publication Date:
May 05, 2022
Filing Date:
October 30, 2020
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04B10/272
Foreign References:
| JP2011071951A | 2011-04-07 | |||
| JP2006262018A | 2006-09-28 | |||
| JPS6346894A | 1988-02-27 | |||
| JP2017152749A | 2017-08-31 | |||
| JP2002027513A | 2002-01-25 | |||
| JP2002369229A | 2002-12-20 | |||
| JP2004193659A | 2004-07-08 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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