Digital Compensation of SOA-Induced Nonlinearities in Field-Modulated Direct-Detection Systems

被引：1
|
作者：
Kaje, Kishanram [1 ]
Al-Qadi, Mustafa [1 ]
Hui, Rongqing [1 ]
机构：
[1] Univ Kansas, Dept Elect Engn & Comp Sci, Informat & Telecommun Technol Ctr, Lawrence, KS 66045 USA
来源：
IEEE PHOTONICS JOURNAL | 2021年 / 13卷 / 06期
基金：
美国国家科学基金会;
关键词：
SOA; SSBI; fiber optics communication; fiber dispersion; EDC; Kramers-Kronig; backpropagation; QAM16; SSBI;
D O I：
10.1109/JPHOT.2021.3122578
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：
In this work we experimentally demonstrate the compensation of nonlinearities introduced by a semiconductor optical amplifier (SOA) operating as a power booster in a field-modulated direct detection fiber-optic system transmitter. We show that a combination of digital pre-compensation to deal with SOA nonlinearities, and digital post-compensation after Kramers-Kronig receiver for mitigating the impacts of chromatic dispersion and signal-signal beat interference (SSBI) is an effective scheme to gain similar to 3dB in ROSNR in presence of SOA nonlinearity at 3dB of gain compression.
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页数：5
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