One-step entanglements generation on distant superconducting resonators in the dispersive regime |
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| Authors: | Ming Hua Ming-Jie Tao Faris Alzahrani Aatef Hobiny Hai-Rui Wei Fu-Guo Deng |
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| Affiliation: | 1.Department of Applied Physics, School of Science,Tianjin Polytechnic University,Tianjin,China;2.Applied Optics Beijing Area Major Laboratory, Department of Physics,Beijing Normal University,Beijing,China;3.NAAM-Research Group, Department of Mathematics, Faculty of Science,King Abdulaziz University,Jeddah,Saudi Arabia;4.School of Mathematics and Physics,University of Science and Technology Beijing,Beijing,China |
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| Abstract: | We present a scalable quantum-bus-based device for generating the entanglement on photons in distant superconducting resonators (SRs). The device is composed of some one-dimensional (1D) SRs \(r_j\) coupled to the quantum bus (another common resonator R) in its different positions assisted by superconducting quantum interferometer devices which are used to tune the coupling strengths between \(r_j\) and R. By using the technique for catching and releasing a photon state in a 1D SR, it can work as an entanglement generator or a node in quantum communication. To demonstrate the performance of this device, we propose a one-step scheme to generate high-fidelity Bell state on photons in two distant SRs. It works in the dispersive regime of \(r_j\) and R, which enables us to extend it to generate high-fidelity multi-Bell states on different resonator pairs simultaneously. |
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