Title :
A novel update algorithm in Stokes space for adaptive equalization in coherent receivers
Author :
Bosco, Gabriella ; Visintin, Monica ; Poggiolini, Pierluigi ; Forghieri, Fabrizio
Author_Institution :
DET, Politec. di Torino, Turin, Italy
Abstract :
We propose a novel update algorithm based on error signals evaluated in Stokes space, independent of both phase-noise and frequency-offset. We compare its performance to standard CMA for PM-16QAM modulation, showing 0.5-dB gain at BER=10-2.
Keywords :
adaptive equalisers; error statistics; optical receivers; phase noise; quadrature amplitude modulation; BER; PM-QAM modulation; Stokes space; adaptive equalization; coherent receiver; constant modulus algorithm; error signals evaluation; frequency offset; gain 0.5 dB; phase noise; standard CMA; Adaptive equalizers; Bit error rate; Optical noise; Phase noise; Signal processing algorithms; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th3E.6
