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A comparative study on the demodulation capability of a single loop optoelectronic oscillator with and without a dynamic band Pass filter
Optik Pub Date : 2020-11-04 , DOI: 10.1016/j.ijleo.2020.165924
Shantanu Mandal , Kousik Bishayee , Arindum Mukherjee , B N Biswas , Chandan Kumar Sarkar

This paper aims to provide a comparative study of synchronization effects of a single loop optoelectronics oscillator with a fixed narrowband RF filter (static BPF) and variable center frequency tuned filter (dynamic BPF). The instantaneous amplitude and phase equation of the proposed OEO has been derived. The variation in locking ranges with fiber delay, injection amplitude, and modulation index of a single loop OEO using dynamic BPF has been presented and compared with an OEO incorporating static BPF. Total Harmonic Distortion (THD) of the output reconstructed signal for two different filters has also been discussed.



中文翻译:

具有和不具有动态带通滤波器的单环光电振荡器的解调能力的比较研究

本文旨在对具有固定窄带射频滤波器(静态BPF)和可变中心频率调谐滤波器(动态BPF)的单环光电振荡器的同步效应进行比较研究。推导了所提出的OEO的瞬时振幅和相位方程。提出了使用动态BPF的单回路OEO的锁定范围随光纤延迟,注入幅度和调制指数的变化,并与包含静态BPF的OEO进行了比较。还讨论了两个不同滤波器的输出重构信号的总谐波失真(THD)。

更新日期:2020-11-21
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