Title :
On the XPM-induced distortion in DQPSK-OOK and coherent QPSK-OOK hybrid systems
Author :
Bertolini, M. ; Serena, P. ; Bellotti, G. ; Bononi, A.
Author_Institution :
Dept. of Inf. Eng., Univ. degli Studi di Parma, Parma
Abstract :
We prove that the phase estimation process makes coherent QPSK more vulnerable than DQPSK to the XPM induced by 10 G-OOK channels. A novel sensitivity penalty formula is presented and verified against simulations.
Keywords :
amplitude shift keying; differential phase shift keying; light coherence; optical distortion; optical fibre communication; optical modulation; phase modulation; quadrature phase shift keying; telecommunication channels; DQPSK-OOK channel; XPM-induced distortion; coherent QPSK-OOK hybrid system; cross-phase modulation; on-off keying; phase estimation process; quadrature phase shift keying; sensitivity penalty formula; Bit error rate; Nonlinear distortion; Nonlinear optics; Optical distortion; Optical sensors; Phase distortion; Phase estimation; Phase modulation; Quadrature phase shift keying; Reactive power; (060.1660) Coherent communications; (060.5060) Phase modulation;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
