Demonstration of Extended ROADM Architecture to Enable End-to-End Optical Connections with Covering Class-S Access Infrastructure

This is the authors' abstract. We don't add key points for this paper.

We demonstrate an extended ROADM architecture with remote TRx control and a turn-back function that enables end-to-end direct optical connections covering access. The acceptable access loss of the turn-back path is within 3–19 dB, thus meeting the requirements of the class-S optical access infrastructure.