Title :
Spectral shaping tradeoffs in root-raised-cosine PDM-QPSK nonlinear transmission
Author :
Ramantanis, P. ; Seck, Alassane ; Vuong, J. ; Bendimerad, Djalal ; Frignac, Y.
Author_Institution :
Inst. Telecom, Telecom SudParis, Evry, France
Abstract :
We numerically investigate the WDM performance of RRC-PDM-QPSK systems, for variable dispersion management and channel spacing. We point out the optimal roll-off factors after nonlinear transmission and discuss the resulting trade-offs between spectral efficiency and performance.
Keywords :
numerical analysis; quadrature phase shift keying; telecommunication channels; wavelength division multiplexing; RRC-PDM-QPSK systems; WDM performance; channel spacing; nonlinear transmission; optimal roll-off factors; root-raised-cosine PDM-QPSK nonlinear transmission; spectral efficiency; spectral performance; spectral shaping tradeoffs; variable dispersion management; Bandwidth; Bit error rate; Channel spacing; Optical fiber dispersion; Peak to average power ratio; Wavelength division multiplexing;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
