Kerr enhanced backaction cooling in magnetomechanics

D Zoepfl, ML Juan, N Diaz-Naufal, CMF Schneider… - Physical Review Letters, 2023 - APS
Optomechanics is a prime example of light matter interaction, where photons directly couple
to phonons, allowing the precise control and measurement of the state of a mechanical …

Ground-state cooling of a mechanical oscillator by a noisy environment

C Wang, L Banniard, K Børkje, F Massel… - Nature …, 2024 - nature.com
Dissipation and the accompanying fluctuations are often seen as detrimental for quantum
systems since they are associated with fast relaxation and loss of phase coherence …

Single-photon induced instabilities in a cavity electromechanical device

T Bera, M Kandpal, GS Agarwal, V Singh - Nature Communications, 2024 - nature.com
Cavity-electromechanical systems are extensively used for sensing and controlling the
vibrations of mechanical resonators down to their quantum limit. The nonlinear radiation …

Remote sensing of a levitated superconductor with a flux-tunable microwave cavity

P Schmidt, R Claessen, G Higgins, J Hofer… - Physical Review …, 2024 - APS
We present a cavity-electromechanical system comprising a superconducting quantum
interference device which is embedded in a microwave resonator and coupled via a pickup …

Photon Pressure with an Effective Negative Mass Microwave Mode

IC Rodrigues, GA Steele, D Bothner - Physical review letters, 2024 - APS
Harmonic oscillators belong to the most fundamental concepts in physics and are central to
many current research fields such as circuit QED, cavity optomechanics, and photon …

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 …

A flux-tunable YBa2Cu3O7 quantum interference microwave circuit

K Uhl, D Hackenbeck, C Füger, R Kleiner… - Applied Physics …, 2023 - pubs.aip.org
Josephson microwave circuits are essential for the currently flourishing research on
superconducting technologies, such as quantum computation, quantum sensing, and …

Extracting the current-phase relation of a monolithic three-dimensional nanoconstriction using a dc-current-tunable superconducting microwave cavity

K Uhl, D Hackenbeck, D Koelle, R Kleiner… - Physical Review Applied, 2024 - APS
Superconducting circuits with nonlinear elements such as Josephson tunnel junctions or
kinetic inductance nanowires are the workhorse for microwave quantum and …

The effect of niobium thin film structure on losses in superconducting circuits

M Drimmer, S Telkamp, FL Fischer… - arxiv preprint arxiv …, 2024 - arxiv.org
The performance of superconducting microwave circuits is strongly influenced by the
material properties of the superconducting film and substrate. While progress has been …

Level attraction and idler resonance in a strongly driven Josephson cavity

F Fani Sani, IC Rodrigues, D Bothner, GA Steele - Physical Review Research, 2021 - APS
Nonlinear Josephson circuits play a crucial role in the growing landscape of quantum
information and technologies. The typical circuits studied in this field consist of qubits, whose …