Coherence theory; Optical networks; Optical signals; Optical transceivers; Quadrature amplitude modulation; Signal processing

A broadcast-and-select ROADM architecture to support linear hub-ended trees using point-to-multipoint coherent transceivers [Invited]
Point-to-multipoint (P2MP) coherent pluggable transceivers based on digital subcarrier multiplexing (DSCM) have been proposed as a …
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