Performance investigation of PM-based wavelength remodulation scheme in bidirectional TWDM-PON

被引：0
|
作者：
Liu C. [1 ]
Ding Q.-A. [1 ]
Song J. [1 ]
Zhang L. [1 ]
Wang X. [1 ]
Nie B. [1 ]
Li C. [1 ]
Cheng X. [1 ]
机构：
[1] College of Electronic and Information Engineering, Shandong University of Science and Technology, Shandong Province, Qingdao
来源：
Journal of Optical Communications | 2023年 / 44卷 / s1期
基金：
中国国家自然科学基金;
关键词：
passive optical network; quality factor; time and wavelength division multiplexing; wavelength division multiplexing;
D O I：
10.1515/joc-2020-0198
中图分类号：
学科分类号：
摘要：
Signal remodulation mechanism is a promising cost-effective choice for future optical access networks. This paper investigates the scheme of the phase modulator to remodulate upstream data in the bidirectional WDM PON and TWDM PON system. The simulation results of downstream is carried out using two data formats such as RZ and NRZ at varying lengths of single mode fibers in this scheme. In addition, the upstream transmission compares different remodulators such as Phase modulator, Mach–Zehnder modulator (MZM) and Electroabsorption modulator. By analyzing the eye diagram and Q-value, the performance of upstream and downstream transmission is obtained. It is observed that the PM remodulation TWDM-PON with NRZ modulation format has better performance, which is a rational solution for NG-PON2 cost-effectiveness. © 2023 Walter de Gruyter GmbH. All rights reserved.
引用
收藏
页码：S989 / S996
页数：7
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