带和不带二阶边带的光纤无线电光单边带调制器分析

IF 0.5 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Advances in Electrical and Electronic Engineering Pub Date : 2021-12-30 DOI:10.15598/aeee.v19i4.4203

Pooja Goel, Rahul Kaushik

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引用次数: 1

摘要

分析了光纤无线电（RoF）中带和不带二阶边带的光单边带（OSSB）的产生。通过仿真比较了基于不同相位角混合耦合器和双并联双驱动马赫-曾德调制器（DP-DDMZM）的系统性能。研究了单模光纤（SMF）长度、射频（RF）幅度和激光线宽等参数对信噪比（SNR）的影响。已经观察到用120消除一个二阶边带◦ 与90相比，混合耦合器提高了峰值信噪比◦ 具有两个二阶边带的混合耦合器和不考虑连续波（CW）激光线宽的基于DP-DDMZM的系统。

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Analysis of Optical Single Sideband Modulators for Radio Over Fiber Link with and without Second Order Sidebands

The analysis of Optical Single Sideband (OSSB) generation with and without second-order sidebands for Radio over Fiber (RoF) is presented. The performance of systems based on hybrid coupler with distinct phase angle and Dual-Parallel Dual-Drive Mach-Zehnder Modulator (DP-DDMZM) is compared using simulation. Impact of parameters like SingleMode Fiber (SMF) length, Radiofrequency (RF) amplitude, and laser linewidth on Signal-to-Noise Ratio (SNR) has been investigated. It has been observed that eliminating one of the second-order sidebands with 120◦ hybrid coupler improves peak SNR in comparison to 90◦ hybrid coupler with both second-order sidebands and DP-DDMZM-based system without second-order sidebands irrespective of Continuous Wave (CW) laser linewidth.

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来源期刊

Advances in Electrical and Electronic Engineering ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

33.30%

发文量

审稿时长

25 weeks