Title :
Coherent CD equalization for 111Gbps DP-QPSK with one sample per symbol based on anti-aliasing filtering and MLSE
Author :
Gorshtein, A. ; Sadot, D. ; Katz, G. ; Levy, O.
Author_Institution :
Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel
Abstract :
We propose a coherent detection scheme with one sample per symbol. MLSE is used to compensate for ISI introduced by anti aliasing filtering. 50,000 ps/nm of CD is fully compensated with only 1 dB penalty.
Keywords :
filtering theory; intersymbol interference; maximum likelihood sequence estimation; quadrature phase shift keying; DP-QPSK; MLSE; anti-aliasing filtering; chromatic dispersion; coherent CD equalization; intersymbol interference; maximum likelihood sequence estimator; Bit error rate; Equalizers; Filtering; Intersymbol interference; Low pass filters; Maximum likelihood estimation; Optical fiber communication; Optical filters; Optical sensors; Sampling methods;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
