Title :
8×66.8-Gbit/s coherent PDM-OFDM transmission over 640 km of SSMF at 5.6-bit/s/Hz spectral efficiency
Author :
Takahashi, Hidenori ; Amin, Abdullah Al ; Jansen, Sander L. ; Morita, Itsuro ; Tanaka, Hideaki
Author_Institution :
KDDI R & D Labs. Inc., Ohara
Abstract :
8 times 66.8-Gbit/s DWDM transmission is demonstrated over 640-km SSMF with 9-GHz channel spacing. Employing coherent detected polarization-division-multiplexing OFDM with 16-QAM subcarrier modulation, a record spectral efficiency of 5.6 bit/s/Hz is achieved.
Keywords :
OFDM modulation; channel spacing; wavelength division multiplexing; 16-QAM subcarrier modulation; DWDM transmission; PDM-OFDM; channel spacing; dense wavelength division multiplexing; orthogonal frequency division multiplexing; polarization-division-multiplexing; spectral efficiency; Bandwidth; Channel spacing; OFDM modulation; Optical crosstalk; Optical filters; Optical noise; Optical polarization; Optical receivers; Stimulated emission; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2008. ECOC 2008. 34th European Conference on
Conference_Location :
Brussels
Print_ISBN :
978-1-4244-2227-2
Electronic_ISBN :
978-1-4244-2228-9
DOI :
10.1109/ECOC.2008.4729572
