activity
20192023
most citedExperimental realization of sensitivity enhancement and suppression with exceptional surfaces

79 citations · 132 across the 9 of their papers we have counts for

collaborators

9 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.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…

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.optics2021

Scalable higher-order exceptional surface with passive resonators

Hong Yang, Xuan Mao, Guo-Qing Qin +4

The sensitivity of perturbation sensing can be effectively enhanced with higher-order exceptional points due to the nonlinear response to frequency splitting. However, the experime…

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…

physics.optics2020★ 7 cited

Exceptional point enhanced optical gyroscope in mechanical PT-symmetric system

Xuan Mao, Guo-qing Qin, Hao Zhang +3

As an important device for detecting rotation, high sensitivity gyroscope is required for practical applications. In recent years, exceptional point (EP) shows its potential in enh…

physics.optics2020★ 17 cited

Multimode interference induced optical nonreciprocity and routing in an optical microcavity

Hong Yang, Guo-Qing Qin, Hao Zhang +3

Optical nonreciprocity and routing using optocal microcavities draw much atttention in recent years. Here, we report the results of the study on the nonreciprocity and routing usin…

physics.optics2019

Frequency-tuning induced state transfer in optical microcavities

Xu-sheng Xu, Hao Zhang, Xiang-Yu Kong +2

Quantum state transfer in optical microcavities plays an important role in quantum information processing, and is essential in many optical devices, such as optical frequency conve…

physics.ins-det2019★ 6 cited

Arbitrary function resonance tuner of the optical microcavity with sub-MHz resolution

Xu-Sheng Xu, Hao Zhang, Min Wang +2

The resonance frequency of an optical whispering gallery mode (WGM) microcavity is extremely important in its various applications. Many efforts have been made to fine tune this pa…