Abstract

Theoretical and experimental study of channel crosstalk effects in time-switched phase-diversity optical homodyne reception is presented, focused toward ultradense WDM passive optical networks. This receiver achieves ultralow channel spacing of $3\mathrm{GHz}$ per $1\mathrm{dB}$ power penalty at $1\mathrm{Gbit}∕\mathrm{s}$ and feasible implementation.

© 2009 Optical Society of America

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