256 QAM Digital Coherent Optical Transmission Using Raman Amplifiers

Masato Yoshida, Seiji Okamoto, Tatsunori Omiya, Keisuke Kasai, Masataka Nakazawa. 256 QAM Digital Coherent Optical Transmission Using Raman Amplifiers. IEICE Transactions, 94-B(2):417-424, 2011. [doi]

Abstract

Abstract is missing.