Abstract
A new compact coherent receiver module comprising a micro-optic polarization beam splitter and two InP-based 90° hybrids with integrated photodiodes is characterized at 112 Gbit/s DP-QPSK. A penalty of only 1.3 dB in OSNR sensitivity at a BER of 10−3 compared to theory was obtained at C-band wavelengths.
© 2011 Optical Society of America
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