Abstract
We demonstrate an unrepeated transmission of 20-Gb/s QPSK signals over 210 km using coherent detection and digital signal processing. Phase estimation of the homodyne-detected QPSK signal improves the bit-error rate performance compared to differential demodulation.
© 2005 Optical Society of America
PDF ArticleMore Like This
Satoshi Tsukamoto, Kazuhiro Katoh, and Kazuro Kikuchi
OWB4 Optical Fiber Communication Conference (OFC) 2006
Satoshi Tsukamoto, Dany-Sebastien Ly-Gagnon, Kazuhiro Katoh, and Kazuro Kikuchi
CWO3 Conference on Lasers and Electro-Optics (CLEO:S&I) 2005
Satoshi Tsukamoto, Dany-Sebastien Ly-Gagnon, Kazuhiro Katoh, and Kazuro Kikuchi
PDP29 Optical Fiber Communication Conference (OFC) 2005