CPC H04J 14/0202 (2013.01) [G02B 27/1006 (2013.01); H04B 10/291 (2013.01); H04B 10/614 (2013.01)] | 20 Claims |
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.
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