coherent optical communication-2

The impact of self-phase modulation on digital clock recovery in coherent optical communication

FREE-DOWNLOAD [PDF] fAS Tan, H Wymeersch… – … Communication ( …, 2010
Introduction Nonlinear impairments create significant chal- lenges in future M-QAM coherent
systems at and beyond 100 Gbit/s1. The Kerr nonlinearity causes self-phase modulation
(SPM) distorting the signal at high power levels. It may also affect the per- formance of the