Title :
QPSK with Coherent Detection over Ultra-Long Distance Improved by Nonlinearity Mitigation
Author_Institution :
Alcatel Lucent Res. & Innovation, Nozay
Abstract :
Coherent detection Is very promising for improving the capacity and reach of transmission systems. Assuming QPSK format, its performance is compared at 40 Gbit/s and after 3,060 km, with differential detection, and improved by mitigating nonlinearities digitally.
Keywords :
nonlinear optics; optical fibre communication; quadrature phase shift keying; QPSK; differential detection; nonlinear phase rotation; nonlinearity mitigation; quaternary phase shift keying modulation format; transmission systems; Chromatic dispersion; Digital signal processing; Digital signal processors; Frequency; Local oscillators; Modulation; Phase detection; Phase shift keying; Photodiodes; Quadrature phase shift keying;
Conference_Titel :
IEEE/LEOS Summer Topical Meetings, 2007 Digest of the
Conference_Location :
Portland, OR
Print_ISBN :
1-4244-0926-8
DOI :
10.1109/LEOSST.2007.4288322
