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This research demonstrates a novel method for controlling chaotic dynamics in optomechanical systems by manipulating photon-vibration coupling orders rather than just driving forces. By systematically comparing linear, quadratic, and cubic interactions, scientists can suppress or reintroduce chaos to enhance sensing precision and enable advanced data encryption protocols. Such precise control over nonlinear optical-mechanical interplay represents a significant step toward stabilizing quantum technologies that rely on these sensitive building blocks.

Surse care acoperăQuantum Zeitgeist, arXiv

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Light Control Unlocks Chaotic Motion in Tiny Mechanical Oscillators

Quantum Zeitgeist17 iunie 20266 min de cititArticolul și perspectiva sunt în engleză.

Chaos in optomechanical systems does not simply increase with stronger nonlinearity, but can be suppressed then re-induced depending on the specific interactions at play. Unlike previous investigations focusing on single nonlinearities, this work systematically compares linear, quadratic, and cubic photon-vibration couplings to reveal this unexpected behaviour. Such control over chaotic dynamics opens avenues for manipulating these systems for applications including sensing and data encryption.

A. P. Saiko and colleagues at National Academy of Sciences, in collaboration with Polish Academy of Sciences and Minsk 220072 Belarus 2 Institute of Molecular Physics, have revealed surprising nuances in the emergence of chaos within the interplay between light and mechanical motion in optomechanical systems. Their work, based on bifurcation diagrams, Lyapunov exponents, and power spectra, identifies conditions where chaotic dynamics can be suppressed or even reintroduced by altering the order of nonlinear interactions within the system. This detailed analysis of regular and chaotic dynamics provides key insight into controlling these systems and could inform the development of advanced optomechanical devices. A surprising reversal in…

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