Optomechanics with levitated particles

J Millen, TS Monteiro, R Pettit… - Reports on Progress …, 2020 - new.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 …

Optical cold damping of neutral nanoparticles near the ground state in an optical lattice

M Kamba, R Shimizu, K Aikawa - Optics Express, 2022 - opg.optica.org
We propose and demonstrate purely optical feedback cooling of neutral nanoparticles in an
optical lattice to an occupation number of 0.85±0.20. The cooling force is derived from the …

Spin dynamical decoupling for generating macroscopic superpositions of a free-falling nanodiamond

BD Wood, S Bose, GW Morley - Physical Review A, 2022 - APS
Levitated nanodiamonds containing negatively charged nitrogen-vacancy centers (NV−)
have been proposed as a platform to generate macroscopic spatial superpositions …

Pure nanodiamonds for levitated optomechanics in vacuum

AC Frangeskou, A Rahman, L Gines… - New Journal of …, 2018 - iopscience.iop.org
Optical trapping at high vacuum of a nanodiamond containing a nitrogen vacancy centre
would provide a test bed for several new phenomena in fundamental physics. However, the …

Parametric feedback cooling of rigid body nanodumbbells in levitated optomechanics

T Seberson, F Robicheaux - Physical Review A, 2019 - APS
We theoretically investigate the rigid body dynamics of an optically levitated nanodumbbell
under parametric feedback cooling and provide a simplified model for describing the motion …

Determining the internal temperature of an optically levitated nanoparticle in vacuum by doped--ion luminescence

B Zhang, X Guo, X Yu, Y Xiao, Z Fu, Z Zhang, H Zheng - Physical Review A, 2023 - APS
In recent years, optically levitated systems have emerged as an important platform for
conducting fundamental physics studies and precision measurements. The internal …

Observation of the linewidth broadening of single spins in diamond nanoparticles in aqueous fluid and its relation to the rotational Brownian motion

M Fujiwara, Y Shikano, R Tsukahara, S Shikata… - Scientific reports, 2018 - nature.com
Capturing the fast rotational motion of single nanoparticles has been hindered owing to the
difficulty of acquiring directional information under the optical diffraction limit. Here, we report …

Optical levitation using broadband light

ATMA Rahman, PF Barker - Optica, 2020 - opg.optica.org
The ability to create dynamic, tailored optical potentials has become important across fields
ranging from biology to quantum science. We demonstrate a method for the creation of …

Matter and spin superposition in vacuum experiment (MASSIVE)

S Bose, GW Morley - arXiv preprint arXiv:1810.07045, 2018 - arxiv.org
A free-falling nanodiamond containing a nitrogen vacancy centre in a spin superposition
should experience a superposition of forces in an inhomogeneous magnetic field. We …

Imaging-based feedback cooling of a levitated nanoparticle

Y Minowa, K Kato, S Ueno, TW Penny… - Review of Scientific …, 2022 - pubs.aip.org
Imaging-based detection of the motion of levitated nanoparticles complements a widely
used interferometric detection method, providing a precise and robust way to estimate the …