Chaotic quivering of micron-scaled on-chip resonators excited by centrifugal optical pressure

Tal Carmon, M. C. Cross, Kerry J. Vahala

Research output: Contribution to journalArticlepeer-review

Abstract

Opto-mechanical chaotic oscillation of an on-chip resonator is excited by the radiation-pressure nonlinearity. Continuous optical input, with no external feedback or modulation, excites chaotic vibrations in very different geometries of the cavity (both tori and spheres) and shows that opto-mechanical chaotic oscillations are an intrinsic property of optical microcavities. Measured phenomena include period doubling, a spectral continuum, aperiodic oscillations, and complex trajectories. The rate of exponential divergence from a perturbed initial condition (Lyapunov exponent) is calculated. Continuous improvements in cavities mean that such chaotic oscillations can be expected in the future with many other platforms, geometries, and frequency spans.

Original languageEnglish
Article number167203
JournalPhysical Review Letters
Volume98
Issue number16
DOIs
StatePublished - 19 Apr 2007
Externally publishedYes

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