Abstract
We demonstrate a novel, multiple-bit DPSK detection scheme, capable of correcting isolated bit errors using simple logic gates, without an increase in the transmission rate. Simulations predict a 0.4dB back-back gain, 0.85dB in the presence of 1 radian of nonlinear phase noise, and further increased gains in the presence of receiver impairments. A 2dB OSNR gain is realized experimentally at a BER of 1e-3 using this error correction scheme.
© 2007 Optical Society of America
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