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17 papers · 2 filters
Fast preparation of W states with superconducting quantum interference devices by using dressed states
Yi-Hao Kang, Ye-Hong Chen, Zhi-Cheng Shi +2
In this paper, we propose a protocol to prepare W states with superconducting quantum interference devices (SQUID) by using dressed states. Through choosing a set of dressed states…
Optical Schrödinger Cat States in One Mode and two Coupled-Modes Subject to Environments
X. L. Zhao, Z. C. Shi, M. Qin +1
Taking the decoherence into account, we investigate nonclassical features of the optical Schrödinger cat states in one mode and two coupled-modes systems with two-photon driving. I…
Quantum simulation of gravitational-like waves in minisuperspace with an artificial qubit
Ze-Lin Zhang, Ming-Feng Chen, Huai-Zhi Wu +1
On the background of the Born-Oppenheimer (adiabatic) approximation, we investigate the geometrical and topological structure in the theory of quantum gravity by using the path int…
A two-fold quantum delayed-choice experiment in a superconducting circuit
K. Liu, Y. Xu, W. Wang +9
We propose and experimentally demonstrate a two-fold quantum delayed-choice experiment where wave or particle nature of a superconducting interfering device can be post-selected tw…
Reverse engineering of a Hamiltonian by designing the evolution operators
Yi-Hao Kang, Ye-Hong Chen, Qi-Cheng Wu +3
We propose an effective and flexible scheme for reverse engineering of a Hamiltonian by designing the evolution operators to eliminate the terms of Hamiltonian which are hard to be…
Heralded quantum controlled phase gates with dissipative dynamics in macroscopically-distant resonators
Wei Qin, Xin Wang, Adam Miranowicz +2
Heralded near-deterministic multi-qubit controlled phase gates with integrated error detection have recently been proposed by Borregaard et al. [Phys. Rev. Lett. 114, 110502 (2015)…