77 citations · 183 across the 8 of their papers we have counts for
8 papers
Nonlinear time-reversal interferometry with arbitrary quadratic collective-spin interaction
Zhiyao Hu, Qixian Li, Xuanchen Zhang +3
Atomic nonlinear interferometry has wide applications in quantum metrology and quantum information science. Here we propose a nonlinear time-reversal interferometry scheme with hig…
Loss-induced Floquet non-Hermitian skin effect
Yaohua Li, Cuicui Lu, Shuang Zhang +1
Non-Hermitian topological systems have attracted lots of interest due to their unique topological properties when the non-Hermitian skin effect (NHSE) appears. However, the experim…
Spin Squeezing with Arbitrary Quadratic Collective-Spin Interaction
Zhiyao Hu, Qixian Li, Xuanchen Zhang +3
Spin squeezing is vitally important in quantum metrology and quantum information science. The noise reduction resulting from spin squeezing can surpass the standard quantum limit a…
PT-symmetric feedback induced linewidth narrowing
Yuanjiang Tang, Chao Liang, Xin Wen +3
Narrow linewidth is a long-pursuing goal in precision measurement and sensing. We propose a parity-time (PT )-symmetric feedback method to narrow the linewidths of resonance system…
Observation of Exceptional Points in Thermal Atomic Ensembles
Chao Liang, Yuanjiang Tang, An-Ning Xu +1
Exceptional points (EPs) in non-Hermitian systems have recently attracted wide interests and spawned intriguing prospects for enhanced sensing. However, EPs have not yet been reali…
Heisenberg-limited spin squeezing in coupled spin systems
Long-Gang Huang, Xuanchen Zhang, Yanzhen Wang +3
Spin squeezing plays a crucial role in quantum metrology and quantum information science. Its generation is the prerequisite for further applications but still faces an enormous ch…
Mechanical Squeezing via Detuning-Switched Driving
Yaohua Li, An-Ning Xu, Long-Gang Huang +1
Generation of mechanical squeezing has attracted a lot of interest for its nonclassical properties, applications in quantum information, and high-sensitivity measurement. Here we p…
Tunable optical second-order sideband effects in a parity-time symmetric optomechanical system
Xing Xiao, Qinghong Liao, Nanrun Zhou +2
We theoretically investigate the optical second-order sideband generation (OSSG) in an optical parity-time (PT) symmetric system, which consists of a passive cavity trapping the at…