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- University of Science and Technology of ChinaCN42 papers
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- CAS Key Laboratory of Urban Pollutant ConversionCN29 papers
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- Collaborative Innovation Center of Quantum MatterCN11 papers
7 papers · 2 filters
Classical-driving-enhanced parameter-estimation precision of a non-Markovian dissipative two-state system
Yan-Ling Li, Xing Xiao, Yao Yao
The dynamics of quantum Fisher information (QFI) of the phase parameter in a driven two-state system is studied within the framework of non-Markovian dissipative process. The influ…
Amplitude modulated Bloch oscillations of photon probability distribution in a cavity-atom system
Gang Zhang, Wenhui Hu, Zhi Song
We study the dynamics of the Rabi Hamiltonian in the medium coupling regime with , where is atom-field coupling constant, is the field…
Implications and applications of the variance-based uncertainty equalities
Yao Yao, Xing Xiao, Xiaoguang Wang +1
In quantum mechanics, the variance-based Heisenberg-type uncertainty relations are a series of mathematical inequalities posing the fundamental limits on the achievable accuracy of…
Enhancing parameter precision of optimal quantum estimation by direct quantum feedback
Qiang Zheng, Li Ge, Yao Yao +1
Various schemes have been proposed to overcome the drawback of the decoherence on quantum-enhanced parameter estimation. Here we suggest an alternative method, quantum feedback, to…
Theory of microwave single-photon detection using an impedance-matched system
Kazuki Koshino, Kunihiro Inomata, Zhirong Lin +2
By properly driving a qubit-resonator system in the strong dispersive regime, we implement an "impedance-matched" system in the dressed states, where a resonant single photon d…
Hybrid opto-mechanical systems with nitrogen-vacancy centers
Zhang-qi Yin, Nan Zhao, Tongcang Li
In this review, we briefly overview recent works on hybrid (nano) opto-mechanical systems that contain both mechanical oscillators and diamond nitrogen-vacancy (NV) centers. We rev…