A single-ion nonlinear mechanical oscillator

Abstract

We study the steady state motion of a single trapped ion oscillator driven to the nonlinear regime. Damping is achieved via Doppler laser-cooling. The ion motion is found to be well described by the Duffing oscillator model with an additional nonlinear damping term. We demonstrate a unique ability of tuning both the linear as well as the nonlinear damping coefficients by controlling the cooling laser parameters. Our observations open a way for the investigation of nonlinear dynamics on the quantum-to-classical interface as well as mechanical noise squeezing in laser-cooling dynamics.

4 pages, 5 figures.

References in corpus (6)

• Coherent Signal Amplification in Bistable Nanomechanical Oscillators by Stochastic Resonance
• Ultrasensitive force and displacement detection using trapped ions
• Basins of attraction of a nonlinear nanomechanical resonator
• Mass Detection with Nonlinear Nanomechanical Resonator
• Nonlinear coupling of continuous variables at the single quantum level
• Quantum noise in a nano mechanical Duffing resonator

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