Abstract
We experimentally demonstrate wavelength conversion of both single polarization 40- Gbuad 16-QAM and 20-Gbuad polarization-division-multiplexed (PDM) 16-QAM in a PPLN waveguide. A polarization insensitive scheme utilizing bi-directional operation is employed. The power penalty as a function of pump power is also investigated and a minimum conversion penalty of-0.5 dB is obtained.
© 2011 Optical Society of America
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