A phonon laser in the quantum regime

Abstract

We demonstrate a trapped-ion system with two competing dissipation channels, implemented independently on two ion species co-trapped in a Paul trap. By controlling coherent spin-oscillator couplings and optical pumping rates we explore the phase diagram of this system, which exhibits a regime analogous to that of a (phonon) laser but operates close to the quantum ground state with an average phonon number of $\bar{n}<10$. We demonstrate phase locking of the oscillator to an additional resonant drive, and also observe the phase diffusion of the resulting state under dissipation by reconstructing the quantum state from a measurement of the characteristic function.

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Cited by in corpus (14)

• Many-Body Open Quantum Systems
• Multicritical dissipative phase transitions in the anisotropic open quantum Rabi model
• Entanglement signatures for quantum synchronization with single-ion phonon laser
• Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems
• Quantum Synchronization of Twin Limit-Cycle Oscillators
• Symmetry-driven Phononic Metamaterials
• Generation of Large Amplitude Phonon States in Quantum Acoustics
• Stabilization of cat-state manifolds using nonlinear reservoir engineering
• Impact of micromotion and field-axis misalignment on the excitation of Rydberg states of ions in a Paul trap
• Observation of synchronization between two quantum van der Pol oscillators in trapped ions
• Nanomechanically-induced nonequilibrium quantum phase transition to a self-organized density wave of a Bose-Einstein condensate
• Single-ion phonon laser in the quantum regime
• Scalable phonon-laser arrays with self-organized synchronization
• Quantum limit cycles and synchronization from a measurement perspective