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Coherent demodulation of 40-Gbit/s polarization-multiplexed QPSK signals with 16-GHz spacing after 200-km transmission

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4 Author(s)
Tsukamoto, S. ; Res. Center for Adv. Sci. & Technol., Univ. of Tokyo, Japan ; Ly-Gagnon, D. ; Katoh, K. ; Kikuchi, K.

40-Gbit/s polarization-multiplexed QPSK signals with 16-GHz spacing are demodulated after 200-km transmission by using a homodyne phase-diversity receiver. The highlights of our scheme are electrical post-filtering and digital signal processing that enhance the BER performance.

Published in:

Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC  (Volume:6 )

Date of Conference:

6-11 March 2005