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Optoelectronic oscillators (OEOs) are used to generate RF signals in the X-band region with a very low phase noise. These hybrid opto-electronic devices are based on a long optical fiber that forms a very high-Q RF cavity. We have studied theoretically and experimentally single-loop and dual-loop optoelectronic oscillators. Excellent agreement between theory and experiments was obtained. The results...
We present an experimental study of the phase noise spectrum's dependence on the loop length in OEOs. As the loop length increases, the spectrum deviates significantly from the ideal dependence.
A comprehensive model to accurately study phase noise and dynamics in optoelectronic oscillators is presented. The model results are compared to experiments. The comparison shows that the flicker noise increases as the cavity length increases.
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