Title :
Coherent optical transmission systems
Author_Institution :
Dept. of Electr. Eng. & Inf. Syst., Univ. of Tokyo, Tokyo, Japan
Abstract :
We theoretically discuss transmission characteristics of 100-Gbit/s POLMUX WDM 16-QAM signals. Using laser linewidths narrower than 500 kHz, digital equalization, and dispersion-unmanaged links, we can achieve 2,000-km transmission with spectral efficiency of 4 bit/s/Hz.
Keywords :
equalisers; optical communication; quadrature amplitude modulation; wavelength division multiplexing; POLMUX WDM 16-QAM signals; bandwidth 500 kHz; bit rate 100 Gbit/s; bit rate 4 bit/s; coherent optical transmission systems; digital equalization; dispersion-unmanaged links; Finite impulse response filter; Modulation; Optical fiber communication; Optical fiber polarization; Optical receivers; Wavelength division multiplexing;
Conference_Titel :
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-6785-3
