Jump Chaotic Behaviour of Ultra Low Loss Bulk Acoustic Wave Cavities
| Autor: | Serge Galliou, Maxim Goryachev, Warrick G. Farr, Michael E. Tobar |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
Physics
Carrier signal Physics and Astronomy (miscellaneous) Condensed matter physics Condensed Matter - Mesoscale and Nanoscale Physics Chaotic FOS: Physical sciences Nonlinear Sciences - Chaotic Dynamics 01 natural sciences Chaos theory Degree (temperature) Mesoscale and Nanoscale Physics (cond-mat.mes-hall) 0103 physical sciences Jump Bulk acoustic wave Chaotic Dynamics (nlin.CD) 010306 general physics 010301 acoustics Quartz Randomness |
| Popis: | We demonstrate a previously unobserved nonlinear phenomenon in an ultra-low loss quartz Bulk Acoustic Wave cavity ($Q>3\times10^9$), which only occurs below 20 milli-Kelvin 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 lays beyond the standard Duffing model. |
| Databáze: | OpenAIRE |
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