Method and apparatus to implement frequency stabilization of a resonator
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United States of America Patent
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Jul 16, 2019
Grant Date -
Dec 28, 2017
app pub date -
Jun 22, 2016
filing date -
Jun 22, 2016
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Abstract
A method of characterizing frequency fluctuations of a resonator comprising the steps of: a) driving the resonator, in a linear regime, by simultaneously applying two periodical driving signals having respective frequencies, the frequencies being different from each other and from a resonant frequency of the resonator, but contained within a resonance linewidth thereof; b) performing simultaneous measurements of response signal of the resonator at the frequencies of the periodical driving signal; and c) computing a value representative of a correlation between the measurements, the value being indicative of frequency fluctuations of the resonator. An apparatus for implementing such a method is provided.
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