activity
20142025
most citedLight-mediated strong coupling between a mechanical oscillator and atomic spins one meter apart

88 citations · 237 across the 6 of their papers we have counts for

collaborators

6 papers

physics.optics2025★ 10 cited

Absorption loss and Kerr nonlinearity in barium titanate waveguides

Annina Riedhauser, Charles Möhl, Johannes Schading +4

Because of its exceptionally large Pockels coefficient, barium titanate (BaTiO) is a promising material for various photonic applications at both room and cryogenic temperature…

quant-ph2022★ 29 cited

Optical coherent feedback control of a mechanical oscillator

Maryse Ernzer, Manel Bosch Aguilera, Matteo Brunelli +5

Feedback is a powerful and ubiquitous technique both in classical and quantum system control. Its standard implementation relies on measuring the state of a system, processing the…

quant-ph2021★ 30 cited

Coherent feedback cooling of a nanomechanical membrane with atomic spins

Gian-Luca Schmid, Chun Tat Ngai, Maryse Ernzer +3

Coherent feedback stabilises a system towards a target state without the need of a measurement, thus avoiding the quantum backaction inherent to measurements. Here, we employ optic…

quant-ph2020★ 88 cited

Light-mediated strong coupling between a mechanical oscillator and atomic spins one meter apart

Thomas M. Karg, Baptiste Gouraud, Chun Tat Ngai +3

Engineering strong interactions between quantum systems is essential for many phenomena of quantum physics and technology. Typically, strong coupling relies on short-range forces o…

quant-ph2019★ 38 cited

Remote Hamiltonian Interactions Mediated by Light

Thomas M. Karg, Baptiste Gouraud, Klemens Hammerer +1

We address a fundamental question of quantum optics: Can a beam of light mediate coherent Hamiltonian interactions between two distant quantum systems? This is an intriguing questi…

cond-mat.quant-gas2014★ 42 cited

Optical transport and manipulation of an ultracold atomic cloud using focus-tunable lenses

Julian Léonard, Moonjoo Lee, Andrea Morales +3

We present an optical setup with focus-tunable lenses to dynamically control the waist and focus position of a laser beam, in which we transport a trapped ultracold cloud of 87-Rb…