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首页> 外文期刊>IEEE Journal of Quantum Electronics: A Publication of the IEEE Quantum Electronics and Applications Society >On the Transient Behavior of Single-Loop Optoelectronic Oscillators Under RF Injection-Locking
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On the Transient Behavior of Single-Loop Optoelectronic Oscillators Under RF Injection-Locking

机译：单环光电振荡器在射频注入锁止下的瞬态行为研究

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摘要

A study on the transient behavior of a single-loop optoelectronic oscillator (OEO) under a single sinusoidal radio frequency (RF) signal injection is presented. Considering only the phase perturbation imposed by the external RF signal, the phase-dynamic equation is solved to analyze the frequency settling behavior of the loop. A closed form expression for the required time of an OEO under RF injection-locking, reaching the steady state condition, is derived in terms of the initial phase difference, beat frequency and injection signal strength. The phase modulated signal, which is responsible for the perturbation of the free running oscillation, is expanded in a Fourier series and the expression for the output RF spectrum of the injection pulled OEO is derived. The injection-pulling dynamics approach is used to describe the phase noise of the OEO and also, the influence of the phase settling time constant on the phase noise of the injection-locked OEO is studied. The experimental results corroborating the theoretical findings are given.
机译：本文研究了单环路光电振荡器（OEO）在单正弦射频（RF）信号注入下的瞬态行为。仅考虑外部RF信号施加的相位扰动，求解相位动力学方程以分析环路的频率建立行为。根据初始相位差、拍频频率和注入信号强度，推导了 OEO 在射频注入锁定下达到稳态条件所需时间的闭合形式表达式。调相信号是导致自由运行振荡扰动的原因，在傅里叶级数中展开，并推导了注入牵引OEO的输出RF频谱的表达式。采用注入-牵引动力学方法描述了OEO的相位噪声，并研究了相位建立时间常数对注入锁定OEO相位噪声的影响。实验结果与理论结果相吻合。

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