Title :
A study on the effectiveness of turbo equalization with FEC for nonlinearity compensation in coherent WDM transmissions
Author :
Fujimori, Takumi ; Koike-Akino, Toshiaki ; Sugihara, Tomoyuki ; Kubo, Koichi ; Koguchi, Kazuumi ; Mizuochi, Takashi ; Ohshima, C. ; Nakashima, Hideharu ; Hoshida, Takeshi
Author_Institution :
Inf. Technol. R&D Center, Mitsubishi Electr. Corp., Kamakura, Japan
fDate :
June 30 2013-July 4 2013
Abstract :
We evaluate the performance improvement in the presence of fiber nonlinearity obtained using a Turbo equalizer. Numerical simulation shows that Turbo equalization offers an improvement of 0.8 dB in a 100 Gb/s NZ-DSF transmission, even with only 5 taps for the MAP estimation.
Keywords :
equalisers; maximum likelihood estimation; numerical analysis; optical fibre dispersion; FEC; MAP estimation; NZ-DSF transmission; bit rate 100 Gbit/s; coherent WDM transmissions; fiber nonlinearity; maximum a posteriori probability; nonlinearity compensation; nonzero dispersion-shifted fiber; numerical simulation; turbo equalization; Decoding; Equalizers; Optical fiber communication; Optical fiber dispersion; Q-factor; Wavelength division multiplexing;
Conference_Titel :
OptoElectronics and Communications Conference held jointly with 2013 International Conference on Photonics in Switching (OECC/PS), 2013 18th
Conference_Location :
Kyoto
