Title :
A Study on Residual Distortion Equalization in Combination with Pre-distortion and Post-equalization
Author :
Sugihara, Takashi ; Kubo, Hiroshi ; Mizuochi, Takashi ; Shimizu, Katsuhiro
Author_Institution :
Mitsubishi Electr. Corp., Kamakura
Abstract :
We show numerically that in a 40Gb/s-QPSK system, dispersion incompletely compensated by pre-distortion can be precisely equalized by a post-equalizer. The compensation capability is strongly dependent on the demodulation scheme, i.e. coherent or incoherent.
Keywords :
demodulation; equalisers; quadrature phase shift keying; QPSK system; bit rate 40 Gbit/s; compensation capability; demodulation scheme; post equalization; pre distortion; residual distortion equalization; Demodulation; Optical distortion; Optical fiber communication; Optical filters; Optical modulation; Optical receivers; Optical transmitters; Polarization mode dispersion; Quadrature phase shift keying; Quantization;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348800
