activity
20202023
most citedExperimental realization of sensitivity enhancement and suppression with exceptional surfaces

79 citations · 151 across the 8 of their papers we have counts for

collaborators

8 papers

physics.optics2023

Enhanced sensing mechanism based on shifting an exceptional point

Xuan Mao, Guo-Qing Qin, Hao Zhang +4

Non-Hermitian systems associated with exceptional points (EPs) are expected to demonstrate a giant response enhancement for various sensors. The widely investigated enhancement mec…

physics.optics2023

Proximity-encirclement of exceptional points in a multimode optomechanical system

Zheng Fan, Dan Long, Xuan Mao +4

Dynamic encircling a second-order exception point (EP) exhibit chiral state transfer, while there is few research on dynamic encircling multiple and higher-order EPs. Here, we stud…

physics.optics2022★ 6 cited

Optomechanical compensatory cooling mechanism with exceptional points

Guo-Qing Qin, Xuan Mao, Hao Zhang +4

The ground state cooling of Brillouin scattering optomechanical system is limited by defects in practical sample. In this paper, we propose a new compensatory cooling mechanism for…

quant-ph2022★ 13 cited

Simultaneous ground-state cooling of multiple degenerate mechanical modes through cross-Kerr effect

Pengyu Wen, Xuan Mao, Min Wang +3

Simultaneous ground-state cooling of multiple degenerate mechanical modes is a tough issue in optomechanical system due to the existence of the dark mode effect. Here we propose a…

physics.optics2022★ 17 cited

Dynamical encircling exceptional point in largely detuned multimode optomechanical system

Dan Long, Xuan Mao, Guo-Qing Qin +4

Dynamical encircling exceptional point(EP) shows a number of intriguing physical phenomena and its potential applications. To enrich the manipulations of optical systems in experim…

physics.optics2022★ 26 cited

Experimental demonstration of phase-matching and Sagnac effect in a millimeter-scale wedged resonator gyroscope

Xuan Mao, Hong Yang, Dan Long +7

The highly efficient coupling of light from conventional optical components to optical mode volumes lies in the heart of chip-based micro-devices, which is determined by the phase-…

physics.optics2021★ 10 cited

Tunable partial polarization beam splitter and optomechanically induced Faraday effect

Xuan Mao, Guo-Qing Qin, Hong Yang +5

Polarization beam splitter (PBS) is a crucial photonic element to separately extract transverse-electric (TE) and transverse-magnetic (TM) polarizations from the propagating light…

physics.optics2020★ 79 cited

Experimental realization of sensitivity enhancement and suppression with exceptional surfaces

Guoqing Qin, Ranran Xie, Hao Zhang +6

By preparing a sensor system around isolated exceptional points, one can obtain a great enhancement of the sensitivity benefiting from the non-Hermiticity. However, this comes at t…