Title :
6.27 bit/s/Hz spectral efficiency VCSEL-based coherent communication over 800km of SMF
Author :
Meloni, Gianluca ; Malacarne, Antonio ; Fresi, Francesco ; Poti, Luca
Author_Institution :
CNIT-Nat. Lab. of Photonic Networks, Pisa, Italy
Abstract :
125.5Gbps dual-polarization QPSK coherent transmission with sub-Nyquist 6.27bit/s/Hz-spectral efficiency is demonstrated in regional flex-grid WDM scenario up to 800km of SMF. Two commercial VCSELs are used at the transmitter and as local oscillator respectively.
Keywords :
optical fibre networks; optical fibre polarisation; optical modulation; quadrature phase shift keying; surface emitting lasers; wavelength division multiplexing; SMF; bit rate 125.5 Gbit/s; dual-polarization QPSK coherent transmission; local oscillator; regional flex-grid WDM scenario; spectral efficiency VCSEL-based coherent communication; Local oscillators; Optical fibers; Optical filters; Optical receivers; Optical transmitters; Vertical cavity surface emitting lasers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
