Title :
Bit-error rate performance of Nyquist wavelength-division multiplexed quadrature phase-shift keying optical signals
Author :
Igarashi, Koji ; Mori, Yojiro ; Katoh, Kazuhiro ; Kikuchi, Kazuro
Author_Institution :
Dept. of Electr. Eng. & Inf. Syst., Univ. of Tokyo, Tokyo, Japan
Abstract :
We measure bit-error rates of polarization-multiplexed Nyquist-WDM QPSK signals, which have rectangular spectral shapes and channel spacing equal to the symbol rate. The spectral efficiency of 4 bit/s/Hz is achieved with negligible power penalty.
Keywords :
channel spacing; error statistics; multiplexing; optical communication; quadrature phase shift keying; Nyquist wavelength division multiplexing; bit error rate; channel spacing; negligible power penalty; quadrature phase-shift keying optical signals; rectangular spectral shapes; symbol rate; Filtering; Optical attenuators; Optical crosstalk; Optical filters; Optical polarization; Phase shift keying; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
