79 citations · 226 across the 14 of their papers we have counts for
14 papers
Critical Microwave Mach-Zehnder-Type Interferometry with Dual-LO Rydberg Atoms
Jun-Rong Chen, Guo-Qing Qin, Peng-Fu Liang +7
High-precision phase measurement of microwave fields underpins a wide range of applications, including wireless communications, distributed radar, plasma diagnostics, and antenna m…
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…
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…
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…
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…
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…
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…
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…
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…
Quantum Sensing by Using STIRAP with Dressed States Driving
Hao Zhang, Guo-Qing Qin, Xue-Ke Song +1
Exploring quantum technology to precisely measure physical quantities is a meaningful task for practical scientific researches. Here, we propose a novel quantum sensing model based…
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…
Manipulation of optomechanically induced transparency and absorption by indirectly coupling to an auxiliary cavity mode
Guo-qing Qin, Hong Yang, Xuan Mao +4
We theoretically study the optomechanically induced transparency (OMIT) and absorption(OMIA) phenomena in a single microcavity optomechanical system, assisted by an indirectly-coup…
Experimental observation of information flow in the anti--symmetric system
Jingwei Wen, Guoqing Qin, Chao Zheng +4
The recently theoretical and experimental researches related to -symmetric system have attracted unprecedented attention because of various novel features and potenti…
Experimental quantum secure direct communication with single photons
Jianyong Hu, Bo Yu, Mingyong Jing +4
Quantum communication holds promise for absolutely security in secret message transmission. Quantum secure direct communication is an important mode of the quantum communication in…