Abstract

Optoelectronic Oscillator (OEO) adapts photoelectric hybrid method to realize a high frequency precision and high stability through optical fiber energy storage and delay method, which is generally better than microwave oscillator. This paper outlines the composition, working mechanism, and the design principles of a millimeter-wave OEO system. Additionally, the effects of long fiber and filter on the OEO loop and its phase noise have been experimentally demonstrated. In the experiment, a phase noise of -98dBc/Hz@10kHz can be observed from a 31.4GHz signal generated by the OEO.

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