Jump chaotic behaviour of ultra low loss bulk acoustic wave cavities

Maxim Goryachev; W.G. Farr; S. Galliou; Michael Tobar

doi:10.1063/1.4892926

Jump chaotic behaviour of ultra low loss bulk acoustic wave cavities

Maxim Goryachev, W.G. Farr, S. Galliou, Michael Tobar

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Abstract

We demonstrate a previously unobserved nonlinear phenomenon in an ultra-low loss quartz bulk acoustic wave cavity (Q > 3 > 10 9), which only occurs below 20 mK in temperature and under relatively weak pumping. The phenomenon reveals the emergence of several stable equilibria (at least two foci and two nodes) and jumps between these quasi states at random times. The degree of this randomness as well as separations between levels can be controlled by the frequency of the incident carrier signal. It is demonstrated that the nature of the effect lies beyond the standard Duffing model. © 2014 AIP Publishing LLC.

Original language	English
Article number	063501
Number of pages	4
Journal	Applied Physics Letters
Volume	105
Issue number	6
DOIs	https://doi.org/10.1063/1.4892926
Publication status	Published - Aug 2014

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10.1063/1.4892926

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Copyright (2014) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Goryachev, M., Farr, W. G., Galliou, S., & Tobar, M. (2014). Jump chaotic behaviour of ultra low loss bulk acoustic wave cavities. Applied Physics Letters, 105(6), [063501]. and may be found at http://dx.doi.org/10.1063/1.4894152.
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abstract = "We demonstrate a previously unobserved nonlinear phenomenon in an ultra-low loss quartz bulk acoustic wave cavity (Q > 3 > 10 9), which only occurs below 20 mK in temperature and under relatively weak pumping. The phenomenon reveals the emergence of several stable equilibria (at least two foci and two nodes) and jumps between these quasi states at random times. The degree of this randomness as well as separations between levels can be controlled by the frequency of the incident carrier signal. It is demonstrated that the nature of the effect lies beyond the standard Duffing model. {\textcopyright} 2014 AIP Publishing LLC.",

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