Abstract
We develop a simple analytic gaussian model, predicting BER performance of
optical DPSK receivers with high accuracy in the wake of all three phase
noise sources impairing differential phase detection: linear phase noise
(ASE-induced), nonlinear phase noise (the Gordon–Mollenauer
effect), and laser phase noise Brownian fluctuations. We validate our
analytical Q-factor based formulas using known analytical cases and
importance-sampling based Monte-Carlo simulations.
© 2009 IEEE
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