Title :
High-speed, high spectrally efficient 64 QAM orthogonal TDM coherent Nyquist pulse transmission
Author :
Kasai, Keisuke ; Otuya, David Odeke ; Harako, Koudai ; Hirooka, Toshihiko ; Nakazawa, Masataka
Author_Institution :
Research Institute of Electrical Communication, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai-shi, 980-8577 Japan
Abstract :
Recent advances in high-speed and high spectrally-efficient TDM transmission using coherent optical Nyquist pulses are described. 1.92 Tbit/s/ch, 64QAM-150 km transmission with a potential spectral efficiency of 10.6 bit/s/Hz is demonstrated by adopting orthogonal TDM.
Keywords :
High-speed optical techniques; Optical fibers; Optical filters; Optical pulse shaping; Optical transmitters; Quadrature amplitude modulation; coherent communication; multiplexing; pulse shaping;
Conference_Titel :
Summer Topicals Meeting Series (SUM), 2015
Conference_Location :
Nassau, Bahamas
Print_ISBN :
978-1-4799-7467-2
DOI :
10.1109/PHOSST.2015.7248201
