Title :
Experimental demonstration of all-optical phase noise mitigation of 40-Gbits/s QPSK signals by mixing differentially delayed nonlinear products
Author :
Mohajerin-Ariaei, A. ; Chitgarha, M.R. ; Ziyadi, M. ; Khaleghi, S. ; Almaiman, A. ; Willner, M.J. ; Touch, J. ; Yang, J.-Y. ; Akasaka, Y. ; Sekiya, Motoyoshi ; Tur, Moshe ; Paraschis, L. ; Langrock, C. ; Fejer, M.M. ; Willner, Alan E.
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
We propose and demonstrate an all optical phase noise mitigation scheme by mixing differentially delayed nonlinear products. For 40-Gbits/s signals, phase squeezing results in phase noise range reduction of around 50% and 1.5 dB OSNR gain at BER 10-5.
Keywords :
error statistics; optical communication; optical noise; quadrature phase shift keying; BER; QPSK signals; all-optical phase noise mitigation scheme; bit error rate; bit rate 40 Gbit/s; coherent optical communication systems; differential nonlinear product delay mixing; gain 1.5 dB; phase noise range reduction; phase squeezing results; quadrature phase-shift-keying; Harmonic analysis; Nonlinear optics; Optical fibers; Optical noise; Phase noise; Phase shift keying; Power harmonic filters;
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.M2I.2
