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 …

Since their invention in 1986 by Arthur Ashkin and colleagues, optical tweezers have
become an essential tool in several fields of physics, spectroscopy, biology …

Torque sensors such as the torsion balance enabled the first determination of the
gravitational constant by Henri Cavendish and the discovery of Coulomb's law. Torque …

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 …

Optically levitated oscillators in high vacuum have excellent environmental isolation and low
mass compared with conventional solid-state sensors, which makes them suitable for …

Light has shown an incredible capability in precision measurement based on optomechanic
interaction in high vacuum by isolating environment noises. However, there are still …

The nanomechanical resonator based on a levitated particle exhibits unique advantages in
the development of ultrasensitive electric field detectors. We demonstrate a three …

Realizing a large-scale fully controllable quantum system is a challenging task in current
physical research and has broad applications. In this work, we create a reconfigurable …

Nanomechanical sensors made from suspended graphene are sensitive to pressure
changes. However, these devices typically function by obtaining an electrical signal based …

A single levitated nanoparticle is used as a nanoreactor for studying surface chemistry at the
nanoscale. Optical levitation under controlled pressure, surrounding gas composition, and …