128 GSa/s SiGe Analog Multiplexer Enabling PDM-DSCM-PCS-256QAM Transmission over 80 km SSMF

Hu, Qian; Schuh, Karsten; Aref, Vahid; Buchali, Fred; Tannert, Tobias; Grözing, Markus; Berroth, Manfred; Schmidt, Christian; Schostak, Jonathan; Caspar, Christoph; Choi, Jung Han; Jungnickel, Volker; Freund, Ronald

doi:10.1364/SPPCOM.2022.SpTh1I.6

2022

Conference Paper

Abstract

We report on a SiGe analog multiplexer operating at 128-GSa/s, supporting generation of 63.36-GHz-broad DSCM-PCS-256QAM signal. We successfully achieve net information rate normalized per electrical lane of 2.85-bit/sym/lane back-to-back and 2.81-bit/sym/lane after transmission over 80-km SSMF in a coherent system.