Levitodynamics: Levitation and control of microscopic objects in vacuum

C Gonzalez-Ballestero, M Aspelmeyer, L Novotny… - Science, 2021 - science.org
BACKGROUND Levitation of large objects has become a widely used technique in science
and engineering, and the control of levitated nano-and micro-objects in vacuum has gained …

Levitated optomechanics: A tutorial and perspective

G Winstone, M Bhattacharya, AA Geraci, T Li… - arXiv preprint arXiv …, 2023 - arxiv.org
Optomechanics, the study of the mechanical interaction of light with matter, has proven to be
a fruitful area of research that has yielded many notable achievements, including the direct …

Optical trapping of high-aspect-ratio NaYF hexagonal prisms for kHz-MHz gravitational wave detectors

G Winstone, Z Wang, S Klomp, RG Felsted, A Laeuger… - Physical review …, 2022 - APS
We present experimental results on optical trapping of Yb-doped β-NaYF subwavelength-
thickness high-aspect-ratio hexagonal prisms with a micron-scale radius. The prisms are …

On-chip optical levitation with a metalens in vacuum

K Shen, Y Duan, P Ju, Z Xu, X Chen, L Zhang, J Ahn… - Optica, 2021 - opg.optica.org
Optical levitation of dielectric particles in vacuum is a powerful technique for precision
measurements, testing fundamental physics, and quantum information science …

Continuous spectral and coupling-strength encoding with dual-gradient metasurfaces

A Aigner, T Weber, A Wester, SA Maier, A Tittl - Nature Nanotechnology, 2024 - nature.com
To control and enhance light–matter interactions at the nanoscale, two parameters are
central: the spectral overlap between an optical cavity mode and the material's spectral …

Nanoscale electric field sensing using a levitated nano-resonator with net charge

S Zhu, Z Fu, X Gao, C Li, Z Chen, Y Wang… - Photonics …, 2023 - opg.optica.org
The nanomechanical resonator based on a levitated particle exhibits unique advantages in
the development of ultrasensitive electric field detectors. We demonstrate a three …

All-electrical cooling of an optically levitated nanoparticle

O Kremer, I Califrer, D Tandeitnik, JP von der Weid… - Physical Review …, 2024 - APS
We implement an all-electrical controller for 3D feedback cooling of an optically levitated
nanoparticle capable of reaching subkelvin temperatures for the center-of-mass motion. The …

Trapping microparticles in a structured dark focus

F Almeida, I Sousa, O Kremer, BP da Silva, DS Tasca… - Physical Review Letters, 2023 - APS
We experimentally demonstrate stable trapping and controlled manipulation of silica
microspheres in a structured optical beam consisting of a dark focus surrounded by light in …

Hybrid Paul-optical trap with large optical access for levitated optomechanics

E Bonvin, L Devaud, M Rossi, A Militaru… - arXiv preprint arXiv …, 2023 - arxiv.org
We present a hybrid trapping platform that allows us to levitate a charged nanoparticle in
high vacuum using either optical fields, radio-frequency fields, or a combination thereof. Our …

Structure characterization of nanoparticles with optical tweezers using scattering light

CH Li, CX He, YY Ma, JC Wang, Y Dong, SC Zhu… - Optics & Laser …, 2024 - Elsevier
Here we present and demonstrate a non-contact optical measuring method for the
characterization of both the shape and size parameters of nanoparticles using optical …