Suhas Bhandare, Christoph Wree, and Abhay Joshi
Discovery Semiconductors, Inc.
119 Silvia Street
Ewing, NJ 08628, USA
Tel: 609-434-1311, Fax: 609-434-1317
Abstract: Unrepeatered transmission of 21.4-Gb/s RZ-DQPSK over 220km of SSMF using heterodyne detection and electrical dispersion compensation achieving FEC-limit performance in a single-span is reported. The 2-dB CD and DGD tolerance is 577ps/nm and 29ps, respectively.