Optomechanics with levitated particles

J Millen, TS Monteiro, R Pettit… - Reports on Progress in …, 2020 - iopscience.iop.org
Optomechanics is concerned with the use of light to control mechanical objects. As a field, it
has been hugely successful in the production of precise and novel sensors, the …

Testing the foundation of quantum physics in space via Interferometric and non-interferometric experiments with mesoscopic nanoparticles

G Gasbarri, A Belenchia, M Carlesso, S Donadi… - Communications …, 2021 - nature.com
Quantum technologies are opening novel avenues for applied and fundamental science at
an impressive pace. In this perspective article, we focus on the promises coming from the …

Cooling of a levitated nanoparticle to the motional quantum ground state

U Delić, M Reisenbauer, K Dare, D Grass, V Vuletić… - Science, 2020 - science.org
Quantum control of complex objects in the regime of large size and mass provides
opportunities for sensing applications and tests of fundamental physics. The realization of …

GHz rotation of an optically trapped nanoparticle in vacuum

R Reimann, M Doderer, E Hebestreit, R Diehl… - Physical review …, 2018 - APS
We report on rotating an optically trapped silica nanoparticle in vacuum by transferring spin
angular momentum of light to the particle's mechanical angular momentum. At sufficiently …

Searching for new physics using optically levitated sensors

DC Moore, AA Geraci - Quantum Science and Technology, 2021 - iopscience.iop.org
We describe a variety of searches for new physics beyond the standard model of particle
physics which may be enabled in the coming years by the use of optically levitated masses …

Underground test of gravity-related wave function collapse

S Donadi, K Piscicchia, C Curceanu, L Diósi… - Nature Physics, 2021 - nature.com
Roger Penrose proposed that a spatial quantum superposition collapses as a back-reaction
from spacetime, which is curved in different ways by each branch of the superposition. In this …

Cold dam** of an optically levitated nanoparticle to microkelvin temperatures

F Tebbenjohanns, M Frimmer, A Militaru, V Jain… - Physical review …, 2019 - APS
We implement a cold-dam** scheme to cool one mode of the center-of-mass motion of an
optically levitated nanoparticle in ultrahigh vacuum (10-8 mbar) from room temperature to a …

Observable quantum entanglement due to gravity

T Krisnanda, GY Tham, M Paternostro… - npj Quantum …, 2020 - nature.com
No experiment to date has provided evidence for quantum features of the gravitational
interaction. Recently proposed tests suggest looking for the generation of quantum …

Optical levitation of 10-ng spheres with nano- acceleration sensitivity

F Monteiro, S Ghosh, AG Fine, DC Moore - Physical Review A, 2017 - APS
We demonstrate optical levitation of SiO 2 spheres with masses ranging from 0.1 to 30 ng. In
high vacuum, we observe that the measured acceleration sensitivity improves for larger …

Cavity-based 3D cooling of a levitated nanoparticle via coherent scattering

D Windey, C Gonzalez-Ballestero, P Maurer… - Physical review …, 2019 - APS
We experimentally realize cavity cooling of all three translational degrees of motion of a
levitated nanoparticle in vacuum. The particle is trapped by a cavity-independent optical …