Quantum control of a nanoparticle optically levitated in cryogenic free space

F Tebbenjohanns, ML Mattana, M Rossi, M Frimmer… - Nature, 2021 - nature.com
Tests of quantum mechanics on a macroscopic scale require extreme control over
mechanical motion and its decoherence,–. Quantum control of mechanical motion has been …

Mechanical squeezing via unstable dynamics in a microcavity

K Kustura, C Gonzalez-Ballestero, AR Sommer… - Physical Review Letters, 2022 - APS
We theoretically show that strong mechanical quantum squeezing in a linear
optomechanical system can be rapidly generated through the dynamical instability reached …

Cavity quantum optomechanical nonlinearities and position measurement beyond the breakdown of the linearized approximation

J Clarke, P Neveu, KE Khosla, E Verhagen… - Physical Review Letters, 2023 - APS
Several optomechanics experiments are now entering the highly sought nonlinear regime
where optomechanical interactions are large even for low light levels. Within this regime …

Generating quantum entanglement between macroscopic objects with continuous measurement and feedback control

D Miki, N Matsumoto, A Matsumura, T Shichijo… - Physical Review A, 2023 - APS
This paper is aimed at investigating the feasibility of generating quantum conditional
entanglement between macroscopic mechanical mirrors in optomechanical systems while …

Phononically shielded photonic-crystal mirror membranes for cavity quantum optomechanics

G Enzian, Z Wang, A Simonsen, J Mathiassen… - Optics …, 2023 - opg.optica.org
We present a highly reflective, sub-wavelength-thick membrane resonator featuring high
mechanical quality factor and discuss its applicability for cavity optomechanics. The 88.5 nm …

Measurement-based preparation of multimode mechanical states

C Meng, GA Brawley, S Khademi, EM Bridge… - Science …, 2022 - science.org
Nanomechanical resonators are a key tool for future quantum technologies, such as
quantum force sensors and interfaces, and for studies of macroscopic quantum physics. The …

Controllable generation of mechanical quadrature squeezing via dark-mode engineering in cavity optomechanics

J Huang, DG Lai, JQ Liao - Physical Review A, 2023 - APS
Quantum squeezing is an important resource in modern quantum technologies, such as
quantum precision measurement and continuous-variable quantum information processing …

Quantum signature of gravity in optomechanical systems with conditional measurement

D Miki, A Matsumura, K Yamamoto - Physical Review D, 2024 - APS
We investigate the quantum signature of gravity in optomechanical systems under quantum
control. We analyze the gravity-induced entanglement and squeezing in mechanical mirrors …

Fundamental Models in the Light–Matter Interaction: Quantum Phase Transitions and the Polaron Picture

J Liu, M Liu, ZJ Ying, HG Luo - Advanced Quantum …, 2021 - Wiley Online Library
The light–matter interaction not only is ubiquitous in nature but also can be simulated in
various artificial systems. Besides the tunability of artificial quantum systems, the …

Single-photon hologram of a zero-area pulse

M Lipka, M Parniak - Physical Review Letters, 2021 - APS
Single photons exhibit inherently quantum and unintuitive properties such as the Hong-Ou-
Mandel effect, demonstrating their bosonic and quantized nature, yet at the same time may …