Title :
Enhanced spectral efficiency of 2.36 bits/s/Hz using multiple layer overlay modulation for QPSK over a 14-km single mode fiber link
Author :
Guodong Xie ; Long Li ; Yongxiong Ren ; Hao Huang ; Zhe Zhao ; Peicheng Liao ; Almaiman, Ahmed ; Yinwen Cao ; Yan Yan ; Changjing Bao ; Ahmed, Nisar ; Zhe Wang ; Ashrafi, Nima ; Ashrafi, Solyman ; Linquist, Roger D. ; Tur, Moshe ; Willner, Alan E.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
A multiple-layer-overlay (MLO) modulation format is employed for a 14-km optical fiber link and an enhanced spectral efficiency of 2.36 bits/s/Hz is achieved by multiplexing 3-layer signals with each layer carrying a 2-Gbit/s QPSK signal.
Keywords :
multiplexing; optical communication equipment; optical fibre communication; optical modulation; quadrature phase shift keying; 3-layer signal multiplexing; QPSK signal; bit rate 2 Gbit/s; bit rate 2.36 bit/s; enhanced spectral efficiency; multiple layer overlay modulation; multiple-layer-overlay modulation format; single mode fiber link; size 14 km; Bandwidth; Bit error rate; Optical fiber communication; Optical fibers; Phase shift keying; Signal to noise ratio;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
