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Motoki Asano1, Hajime Okamoto1, Hiroshi Yamaguchi1

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We demonstrate dynamically tunable synchronization in optomechanical oscillators using Floquet engineering. This technique allows precise control over couplings, enabling novel multistable states and exotic dynamics for advanced applications.

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Area of Science:

  • Nonlinear physics
  • Quantum optics
  • Mesoscopic systems

Background:

  • Synchronization is crucial in nonlinear physics and technology.
  • Experimental synchronization is often limited to static regimes.
  • Controlling oscillator coupling is key to exploring complex dynamics.

Purpose of the Study:

  • To explore multistable and dynamically tunable synchronization.
  • To utilize Floquet engineering for precise control of optomechanical oscillators.
  • To investigate novel synchronization phenomena and their applications.

Main Methods:

  • Applying periodically modulated laser light to optomechanical oscillators.
  • Utilizing Floquet engineering to control oscillator couplings.
  • Analyzing quantized phase slips and multioctave synchronizations.

Main Results:

  • Achieved stable and precise control of oscillator couplings.
  • Demonstrated tunable multistability and quantized integer/fractional phase slips.
  • Synthesized multioctave synchronizations with tailorable multistability.
  • Observed exotic phase-space trajectories with nontrivial winding numbers and giant nonreciprocity.

Conclusions:

  • Optomechanical Floquet engineering enables dynamic control of synchronization.
  • This method opens new avenues for studying complex oscillator networks.
  • Potential applications in biological systems and advanced information processing.