Title :
BICM capacity analysis of 8QAM-alternative modulation formats in nonlinear fiber transmission
Author :
Keisuke Kojima;Toshiaki Koike-Akino;David S. Millar;Kieran Parsons
Author_Institution :
Mitsubishi Electric Research Laboratories, Cambridge, MA 02139-1955, USA
Abstract :
We investigate the nonlinear performance of 8QAM-alternative 4D modulation format using GMI to evaluate the BICM capacity. Due to its constant modulus feature, the 4D-2A8PSK modulation has higher nonlinear threshold than Star-8QAM and Circular-8QAM.
Keywords :
"Signal to noise ratio","Bit error rate","Optical losses","Phase shift keying","Optical fiber communication","Nonlinear optics"
Conference_Titel :
Digital Communications (TIWDC), 2015 Tyrrhenian International Workshop on
DOI :
10.1109/TIWDC.2015.7323337
