Coherent detection and digital signal processing can effectively recover optical QPSK signals with nearly ideal filtering characteristics. We demonstrate the demodulation of co-polarized 20-Gbit/s QPSK signals with 16-GHz spacing after 200-km transmission.
Demodulation of co-polarized 20-Gbit/s QPSK signals with 16-GHz spacing after 200-km transmission using coherent detection and digital signal processing
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 2 ; 1494-1496 Vol. 2
2005-01-01
915950 byte
Conference paper
Electronic Resource
English
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