Xinying Li, Junwen Zhang, Fan Li, Jiangnan Xiao. Over 2000-km transmission of 60-Gbaud PDM-QPSK signal with heterodyne detection and SE of 4b/s/Hz. In Optical Fiber Communications Conference and Exhibition, OFC 2014, San Francisco, CA, USA, March 9-13, 2014. pages 1-3, IEEE, 2014. [doi]
Abstract is missing.