Optomechanics with levitated particles
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 …
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
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 …
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
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 …
opportunities for sensing applications and tests of fundamental physics. The realization of …
GHz rotation of an optically trapped nanoparticle in vacuum
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 …
angular momentum of light to the particle's mechanical angular momentum. At sufficiently …
Searching for new physics using optically levitated sensors
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 …
physics which may be enabled in the coming years by the use of optically levitated masses …
Underground test of gravity-related wave function collapse
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 …
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
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 …
optically levitated nanoparticle in ultrahigh vacuum (10-8 mbar) from room temperature to a …
Observable quantum entanglement due to gravity
No experiment to date has provided evidence for quantum features of the gravitational
interaction. Recently proposed tests suggest looking for the generation of quantum …
interaction. Recently proposed tests suggest looking for the generation of quantum …
Optical levitation of 10-ng spheres with nano- acceleration sensitivity
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 …
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 …
levitated nanoparticle in vacuum. The particle is trapped by a cavity-independent optical …