Title :
Bit-error rate performance of super-Nyquist-WDM DP-QPSK signals with duobinary-pulse shaping
Author :
Igarashi, Koji ; Tsuritani, Takehiro ; Morita, Itsuro
Author_Institution :
KDDI R&D Labs. Inc., Fujimino, Japan
Abstract :
We experimentally investigate crosstalk characteristics of Super-Nyquist-WDM DP-QPSK signals with duobinary-pulse shaping. The bit-error rate performance of 100-Gbit/s-class duobinary-pulse shaped DP-QPSK WDM signals with frequency spacing of 25 GHz is evaluated experimentally.
Keywords :
error statistics; optical crosstalk; optical fibre communication; quadrature phase shift keying; wavelength division multiplexing; bit rate 100 Gbit/s; bit-error rate performance; crosstalk characteristics; duobinary-pulse shaping; frequency 25 GHz; frequency spacing; super-Nyquist-WDM DP-QPSK signals; ultra-high capacity optical fiber transmission; Bandwidth; Bit error rate; Crosstalk; Digital signal processing; Maximum likelihood estimation; Receivers; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th2A.18
