Measuring High-Order Phonon Correlations in an Optomechanical Resonator

Abstract

We use single photon detectors to probe the motional state of a superfluid ${}^4$He resonator of mass $\sim 1$ ng. The arrival times of Stokes and anti-Stokes photons (scattered by the resonator's acoustic mode) are used to measure the resonator's phonon coherences up to the fourth order. By post-selecting on photon detection events, we also measure coherences in the resonator when $\le 3$ phonons have been added or subtracted. These measurements are found to be consistent with predictions that assume the acoustic mode to be in thermal equilibrium with a bath through a Markovian coupling.

arXiv commentMain text: 6 pages, 4 figures. Supplement: 13 pages, 11 figures

References in corpus (36)

• Cavity Optomechanics
• Long-distance quantum communication with atomic ensembles and linear optics
• Laser cooling of a nanomechanical oscillator into its quantum ground state
• Sideband Cooling Micromechanical Motion to the Quantum Ground State
• Atom Interferometers
• Quantum Theory of Cavity-Assisted Sideband Cooling of Mechanical Motion
• Quantum technologies with hybrid systems
• Quantum squeezing of motion in a mechanical resonator
• Generation of Nonclassical Photon Pairs for Scalable Quantum Communication with Atomic Ensembles
• Remote quantum entanglement between two micromechanical oscillators
• Entangled massive mechanical oscillators
• Large Quantum Superpositions and Interference of Massive Nanometer-Sized Objects
• Non-classical correlations between single photons and phonons from a mechanical oscillator
• Positive Wigner functions render classical simulation of quantum computation efficient
• A short walk through quantum optomechanics
• Hanbury Brown and Twiss interferometry of single phonons from an optomechanical resonator
• Phonon counting and intensity interferometry of a nanomechanical resonator
• Deterministic creation of entangled atom-light Schrödinger-cat states
• An optomechanical Bell test
• Antibunching and unconventional photon blockade with Gaussian squeezed states
• Quantum Advantage in Postselected Metrology
• Mechanical Quantum Sensing in the Search for Dark Matter
• Proposal for entangling remote micromechanical oscillators via optical measurements
• Practical Quantum Metrology
• Measurement-induced Nonlinearity in Linear Optics
• Nonclassical Light and Metrological Power: An Introductory Review
• Two-Color Pump-Probe Measurement of Photonic Quantum Correlations Mediated by a Single Phonon
• Quantum optomechanics in a liquid
• Single-Phonon Addition and Subtraction to a Mechanical Thermal State
• Phonon counting thermometry of an ultracoherent membrane resonator near its motional ground state
• Non-Gaussian mechanical motion via single and multi-phonon subtraction from a thermal state
• Preparation and decay of a single quantum of vibration at ambient conditions
• Room-temperature Mechanical Resonator with a Single Added or Subtracted Phonon
• Work and information from thermal states after subtraction of energy quanta
• Investigations of afterpulsing and detection efficiency recovery in superconducting nanowire single-photon detectors
• Theory of Optomechanical Interactions in Superfluid He

Cited by in corpus (1)

• Bayesian optimization of non-classical optomechanical correlations