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 …
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 …
Initiating revolutions for optical manipulation: the origins and applications of rotational dynamics of trapped particles
The fastest-spinning man-made object is a tiny dumbbell rotating at 5 GHz. The smallest
wind-up motor is constructed from a DNA molecule. Picoliter volumes of fluids are remotely …
wind-up motor is constructed from a DNA molecule. Picoliter volumes of fluids are remotely …
Torsional optomechanics of a levitated nonspherical nanoparticle
An optically levitated nanoparticle in vacuum is a paradigm optomechanical system for
sensing and studying macroscopic quantum mechanics. While its center-of-mass motion has …
sensing and studying macroscopic quantum mechanics. While its center-of-mass motion has …
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 …
Full rotational control of levitated silicon nanorods
Optically levitated nano-objects in vacuum are among the highest quality mechanical
oscillators, and thus of great interest for force sensing, cavity quantum optomechanics, and …
oscillators, and thus of great interest for force sensing, cavity quantum optomechanics, and …
Optically driven ultra-stable nanomechanical rotor
Nanomechanical devices have attracted the interest of a growing interdisciplinary research
community, since they can be used as highly sensitive transducers for various physical …
community, since they can be used as highly sensitive transducers for various physical …
Optical rotation of levitated spheres in high vacuum
A circularly polarized laser beam is used to levitate and control the rotation of microspheres
in high vacuum. At low pressure, rotation frequencies as high as 6 MHz are observed for …
in high vacuum. At low pressure, rotation frequencies as high as 6 MHz are observed for …
Detecting Casimir torque with an optically levitated nanorod
The linear momentum and angular momentum of virtual photons of quantum vacuum
fluctuations can induce the Casimir force and the Casimir torque, respectively. While the …
fluctuations can induce the Casimir force and the Casimir torque, respectively. While the …
Optically levitated rotor at its thermal limit of frequency stability
Optically levitated rotors are prime candidates for torque sensors whose precision is limited
by the fluctuations of the rotation frequency. In this work we investigate an optically levitated …
by the fluctuations of the rotation frequency. In this work we investigate an optically levitated …