3 papers
physics.optics2026
Phase-locked phonon laser enhanced ultra-weak force measurement
Yu Zheng, Long Wang, Lyu-Hang Liu +5
Optically levitated micro- and nanoparticles are an ideal optomechanical platform for precision measurements, particularly enabling the detection of ultraweak forces. Nevertheless,…
physics.optics2024
Optimal Position Detection of an Optically Levitated Mie Particle
Long Wang, Lei-Ming Zhou, Yuan Tian +4
We theoretically investigate the problem of position detection of an optically levitated Mie particle. The information radiation field (IRF) is proposed and defined to characterize…
physics.optics2024
A nano vacuum gauge based on second-order coherence in optical levitation
Lyu-Hang Liu, Yu Zheng, Yuan Tian +3
Accurate measurement of pressure with a wide dynamic range holds significant importance for various applications. This issue can be realized with a mechanical nano-oscillator, wher…