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High spectral purity microwave sources based on optical resonators

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Academic year: 2021

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Fig. I. 1. (a) Classical feedback oscillator design and (b) generated sinusoidal signal affected by the different instabilities in the oscillator loop
Fig. I. 2. Power spectrum of: (a) perfect signal and (b) real signal generated by an oscillator
Fig. I. 3. Typical amplitude and phase responses of a resonator at a resonant frequency
Fig. I. 13. From [33] : Phase noise of a 10GHz signal generated by a 330m-long active cavity based COEO Principle of passive cavity based OEO
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