Two-dimensional optomechanical crystal cavity with high quantum cooperativity

H Ren, MH Matheny, GS MacCabe, J Luo… - Nature …, 2020 - nature.com
Optomechanical systems offer new opportunities in quantum information processing and
quantum sensing. Many solid-state quantum devices operate at millikelvin temperatures …

Experimental band structure spectroscopy along a synthetic dimension

A Dutt, M Minkov, Q Lin, L Yuan, DAB Miller… - Nature …, 2019 - nature.com
There has been significant recent interest in synthetic dimensions, where internal degrees of
freedom of a particle are coupled to form higher-dimensional lattices in lower-dimensional …

Floquet phonon lasing in multimode optomechanical systems

L Mercadé, K Pelka, R Burgwal, A Xuereb, A Martínez… - Physical Review Letters, 2021 - APS
Dynamical radiation pressure effects in cavity optomechanical systems give rise to self-
sustained oscillations or 'phonon lasing'behavior, producing stable oscillators up to GHz …

Laser cooling of a nanomechanical oscillator to its zero-point energy

L Qiu, I Shomroni, P Seidler, TJ Kippenberg - Physical review letters, 2020 - APS
Optomechanical systems in the well-resolved-sideband regime are ideal for studying a
myriad of quantum phenomena with mechanical systems, including backaction-evading …

Optical backaction-evading measurement of a mechanical oscillator

I Shomroni, L Qiu, D Malz, A Nunnenkamp… - Nature …, 2019 - nature.com
Quantum mechanics imposes a limit on the precision of a continuous position measurement
of a harmonic oscillator, due to backaction arising from quantum fluctuations in the …

Nonreciprocal transport based on cavity floquet modes in optomechanics

L Mercier de Lépinay, CF Ockeloen-Korppi, D Malz… - Physical Review Letters, 2020 - APS
Directional transport is obtained in various multimode systems by driving multiple,
nonreciprocally interfering interactions between individual bosonic modes. However …

Four-wave-cooling to the single phonon level in Kerr optomechanics

D Bothner, IC Rodrigues, GA Steele - Communications Physics, 2022 - nature.com
Cavity optomechanics has achieved groundbreaking control and detection of mechanical
oscillators, based on their coupling to linear electromagnetic modes. Recently, however …

Parametrically enhanced interactions and nonreciprocal bath dynamics in a photon-pressure Kerr amplifier

IC Rodrigues, GA Steele, D Bothner - Science Advances, 2022 - science.org
Photon-pressure coupling between two superconducting circuits is a promising platform for
investigating radiation-pressure coupling in distinct parameter regimes and for the …

Quantum signature of a squeezed mechanical oscillator

A Chowdhury, P Vezio, M Bonaldi, A Borrielli… - Physical Review Letters, 2020 - APS
Recent optomechanical experiments have observed nonclassical properties in macroscopic
mechanical oscillators. A key indicator of such properties is the asymmetry in the strength of …

Stroboscopic quantum optomechanics

M Brunelli, D Malz, A Schliesser, A Nunnenkamp - Physical Review Research, 2020 - APS
We consider an optomechanical cavity that is driven stroboscopically by a train of short
pulses. By suitably choosing the interpulse spacing we show that ground-state cooling and …