Hybrid WDM free space optical system using CSRZ and Rayleigh backscattering noise mitigation

被引：1
|
作者：
Kaur R. [1 ]
Singh C. [1 ]
Kaur R. [1 ]
机构：
[1] Punjabi University, Punjab, Patiala
[2] Punjabi University, University College of Engineering, Patiala
来源：
Journal of Optical Communications | 2024年 / 45卷 / 02期
关键词：
BER; CSRZ; FSO; RB; WDM;
D O I：
10.1515/joc-2021-0203
中图分类号：
学科分类号：
摘要：
Hybrid wavelength-division-multiplexing (WDM) and free space optical (FSO) access networks are getting great attention due to numerous advantages. In this work, hybrid WDM-FSO system is demonstrated for 55 km at capacity of 5 × 10 Gbit/s using compressed spectrum return to zero (CSRZ) WDM-FSO in downstream and nonreturn to zero (NRZ) in upstream for demonstrating transmitter diversity which inturn decrease the interchannel interference. For the suppression of Rayleigh backscattering (RB) interferometric beat noise, bidirectional cyclic multiplexer is employed. Cyclic multiplexer provide λ1 to λ5 wavelengths for optical line terminal (OLT) to ONU transmission and λ2 to λ6 for ONU to OLT transmission. Insertion losses of each component are considered and in the end, power budget is also calculated. Results revealed that FSO length of 780–1050 m are obtained using various WDM-FSO downstream signals and their power budget, redundant budget, maximum distance, and insertion losses also calculated. © 2024 Walter de Gruyter GmbH. All rights reserved.
引用
收藏
页码：325 / 330
页数：5
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