DWDM Transmission with 7.0-bit/s/Hz Spectral Efficiency using 8×65.1-Gbit/s Coherent PDM-OFDM Signals
- 1 January 2009
- proceedings article
- Published by Optica Publishing Group
Abstract
Spectral efficient transmission of 8x65.1-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
This publication has 2 references indexed in Scilit:
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- Long-haul transmission of16×52.5 Gbits/s polarization-division- multiplexed OFDM enabled by MIMO processing (Invited)Journal of Optical Networking, 2008