Title :
DWDM transmission with 7.0-bit/s/Hz spectral efficiency using 8×65.1-Gbit/s coherent PDM-OFDM signals
Author :
Takahashi, Hidenori ; Al Amin, Abdullah ; Jansen, Sander L. ; Morita, Itsuro ; Tanaka, Hideaki
Author_Institution :
KDDI R&D Labs. Inc., Kamifukuoka
Abstract :
Spectral efficient transmission of 8times65.1-Gbit/s PDM-OFDM is reported over 240 km. Using coherent detection and 32-QAM subcarrier modulation the channel spacing is reduced to 8 GHz, allowing a net spectral efficiency of 7.0 bit/s/Hz.
Keywords :
OFDM modulation; quadrature amplitude modulation; wavelength division multiplexing; DWDM transmission; OFDM signals; PDM; QAM subcarrier modulation; bit rate 65.1 Gbit/s; channel spacing; distance 240 km; frequency 8 GHz; polarisation division multiplexing; spectral efficient transmission; wavelength division multiplexing; Channel spacing; Electronic mail; Fiber lasers; OFDM modulation; Optical crosstalk; Optical filters; Optical modulation; Optical polarization; Optical waveguides; Wavelength division multiplexing; (060.2330) Fiber optics communications; (060.4080) Modulation;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
