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首页> 外文期刊>Optical engineering >Study of injection-locking and injection-pulling in injection-locked optoelectronic oscillator under radio frequency signal injection
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Study of injection-locking and injection-pulling in injection-locked optoelectronic oscillator under radio frequency signal injection

机译：射频信号注入下注入锁定光电振荡器的注入锁定与注入拉动研究

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摘要

We present a detailed study of injection-locking (IL) and injection-pulling behavior of an IL single-loop optoelectronic oscillator (OEO) when injected by radio frequency (RF) signal. From the locking equation, the expression for the output spectrum of the IL-OEO under RF injection is derived in the time domain, to evaluate the spurious performance of the system. The frequency response of the spurious outputs due to RF injection signal is investigated in terms of the injection transfer function. Also, a dual-loop model of the IL-OEO is developed to study the phase noise performance of the system with a cofrequency RF injection signal. Also, the effect of Gaussian minimum shift keying signal interference on the IL-OEO output spectrum is investigated. An analytical expression for the side-mode attenuation is presented to describe the influence of IL on the side-modes of free-running OEO. The experimental results corroborating the theoretical findings are given.
机译：我们介绍了通过射频（RF）信号注入时，IL单环光电振荡器（OEO）的注入锁定（IL）和注入-拉动行为的详细研究。从锁定方程式中，可以在时域中得出RF注入下IL-OEO输出频谱的表达式，以评估系统的杂散性能。根据注入传递函数研究了由于RF注入信号导致的杂散输出的频率响应。此外，开发了IL-OEO的双回路模型来研究具有同频RF注入信号的系统的相位噪声性能。此外，还研究了高斯最小频移键控信号干扰对IL-OEO输出频谱的影响。给出了侧模衰减的解析表达式，以描述IL对自由运行OEO侧模的影响。实验结果证实了理论结论。

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