Patent ID: 11870552
Assignee: II-VI DELAWARE, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A node for coherent optical multiplexing 1+1 protection for optical signals of a plurality of multiplexers on a plurality of disjointed paths, the node comprising:
a first optical splitter having a plurality of input ports, each connected with one of the plurality of multiplexers, and a plurality of output ports, each connected with one of the plurality of disjointed paths via one of a plurality of transmission ports;
an optical switch having a single output interface and a plurality of input interfaces, each connected with others of the plurality of transmission ports; and
a second optical splitter having a single input port connected with the single output interface of the optical switch and a plurality of output ports, each connected with one of the plurality of multiplexers.