Title :
Coherent OFDM transmission with high spectral efficiency
Author :
Takahashi, Hidenori
Author_Institution :
2-1-15 Ohara, KDDI R&D Labs. Inc., Fujimino, Japan
Abstract :
Coherent OFDM is promising for DWDM transmission with higher spectral efficiency and enables a demonstration of the highest spectral efficiency of 7.0 bit/s/Hz. Optical OFDM technologies to increase a spectral efficiency are reviewed.
Keywords :
OFDM modulation; optical crosstalk; wavelength division multiplexing; DWDM transmission; coherent optical OFDM; inter-channel linear crosstalk; orthogonal frequency-division multiplexing; polarization division multiplexing; spectral efficiency; Bit rate; Channel spacing; OFDM modulation; Optical crosstalk; Optical modulation; Optical polarization; Payloads; Phase modulation; Quadrature amplitude modulation; Wavelength division multiplexing;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
