Inter-Subcarrier Nonlinear Interference Canceler for Long-Haul Nyquist-WDM Transmission

被引：6

作者：

Amari, Abdelkerim ^{[1
]}

Ciblat, Philippe ^{[1
]}

Jaouen, Yves ^{[1
]}

机构：

[1] Univ Paris Saclay, Telecom ParisTech, F-75013 Paris, France

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2016年 / 28卷 / 23期

关键词：

Optical communication systems; Nyquist-WDM; digital signal processing; nonlinear interference; Volterra series; VOLTERRA SERIES; SYSTEMS;

D O I：

10.1109/LPT.2016.2616174

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For long-haul Nyquist-wavelength division multiplexing superchannel transmission, an inter-subcarrier nonlinear and linear interference canceler (INIC) is proposed. This approach consists in detecting the adjacent subcarriers, regenerating them thanks to the Volterra series model of optical fiber, and removing them from the subcarrier of interest. Different ways to implement the INIC are described and compared with the well-known techniques, such as digital backpropagation (DBP) and Volterra-based nonlinear equalizer (VNLE) implemented in a subcarrierwise manner. Significant performance gain (on either the Q factor or transmission distance) is observed. In the context of 400 Gbps scheme, the transmission distance gain is up to 500 km compared with the DBP and VNLE.

引用

页码：2760 / 2763

页数：4

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