High Spectrum Narrowing Tolerant 112 Gb/s Dual Polarization QPSK Optical Communication Systems Using Digital Adaptive Channel Estimation
Proceedings article published in 2012 by
Idelfonso {Tafur Monroy},
Xu Zhang,
Xiaodan Pang 
,
Anton K. Dogadaev,
{Anton Konstantinovich} Dogadaev,
Idelfonso Tafur Monroy,
Idelfonso Tafur Monroy,
Darko Zibar ,
Richard C. Younce
,
Anton K. Dogadaev,
{Anton Konstantinovich} Dogadaev,
Idelfonso Tafur Monroy,
Idelfonso Tafur Monroy,
Darko Zibar ,
Richard C. Younce
Abstract
We experimentally demonstrate high spectrum narrowing tolerant 112-Gb/s QPSK polarization multiplex system based on digital adaptive channel estimation method. The proposed algorithm is able to detect severe spectrum-narrowed signal even with 20GHz 3dB bandwidth.