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

Claim 7:
8. An apparatus for coherent optical multiplexing 1+1 protection of optical signals on a plurality of disjointed paths, the apparatus comprising:
a plurality of multiplexers, each configured to multiplex and demultiplex one or more optical signals;
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.