Abstract
We report on an experimental long-haul transmission of a 28 Gbaud PS-QPSK
signal in WDM scenarios. This report presents, to the authors' knowledge,
a novel implementation of an optical coherent receiver for the polarization-switched
quadrature phase shift keying (PS-QPSK) modulation format, with minor variations
on the standard coherent PDM-QPSK receiver. We compare the performance of
PS-QPSK with that of PDM-QPSK, over a WDM system based on 100 Gb/s PDM-QPSK
and standard single mode fiber (SSMF), and we demonstrate its interest for
software-defined optical transceivers operating over dispersion managed and
non-managed transmission links.
© 2012 IEEE
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