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Monte Carlo Estimation of PDM-QPSK/OOK and DQPSK/OOK Hybrid Systems Tolerance Against Nonlinear Effects

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4 Author(s)
Bertolini, M. ; Dipt. di Ing. dell''Inf., Univ. degli Studi di Parma, Parma ; Serena, P. ; Rossi, N. ; Bononi, A.

We compare through Monte Carlo simulations the performance of polarization-division multiplexed quadrature phase-shift keying (PDM-QPSK)/on-off keying (OOK) and differential QPSK (DQPSK)/OOK hybrid systems, taking into account nonlinear phase noise. DQPSK turns out to be better with optimal dispersion-management, while PDM-QPSK proves to be a good candidate for bit rates higher than 40 Gb/s.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 1 )