Vacondio, Francesco; Ghazisaeidi, Amirhossein; Rusch, Leslie A. (ECE Dept. Université Laval, Québec, Québec, Canada G1K 7P4)
We experimentally demonstrate simultaneous demodulation of wavelength division multiplexed (WDM) DQPSK signals with a single arrayed waveguide grating (AWG). We then compare this receiver to the conventional one in presence of nonlinear phase noise.