Title :
Dispersion tolerant 21.4-Gb/s DQPSK using simplified Gaussian Joint-Symbol MLSE
Author :
Alfiad, M.S. ; van den Borne, Dirk ; Hauske, F.N. ; Napoli, Antonio ; Lankl, Berthold ; Koonen, A.M.J. ; de Waardt, H.
Author_Institution :
COBRA Inst., Eindhoven Univ. of Technol., Eindhoven, Netherlands
Abstract :
We experimentally apply different MLSE schemes to 21.4-Gb/s NRZ-DQPSK. joint- symbol MLSE (JS-MLSE) of the in-phase and quadrature components after balanced detection gives best performance, even with a simplified Gaussian model for the MLSE channel estimation.
Keywords :
channel estimation; differential phase shift keying; maximum likelihood sequence estimation; optical fibre communication; optical fibre dispersion; Gaussian joint-symbol MLSE; balanced detection; bit rate 21.4 Gbit/s; channel estimation; dispersion tolerant DQPSK; in-phase component; quadrature component; Differential quadrature phase shift keying; Fiber nonlinear optics; Maximum likelihood estimation; Modulation; Nonlinear optics; Optical attenuators; Optical filters; Optical interferometry; Optical receivers; Optical transmitters;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528504
