Superconducting Nonadiabatic Geometric Quantum Computation with Optimal Control

XU Jing; XUE Zhengyuan

doi:10.6054/j.jscnun.2020087

Journal of South China Normal University (Natural Science Edition) > 2020 > 52(6): 10-14. > DOI: 10.6054/j.jscnun.2020087

XU Jing, XUE Zhengyuan. Superconducting Nonadiabatic Geometric Quantum Computation with Optimal Control[J]. Journal of South China Normal University (Natural Science Edition), 2020, 52(6): 10-14. DOI: 10.6054/j.jscnun.2020087

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Superconducting Nonadiabatic Geometric Quantum Computation with Optimal Control

XU Jing,
XUE Zhengyuan^,

School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China

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Received Date: June 04, 2020
Available Online: January 04, 2021

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Abstract

In order to realize quantum gates with high fidelity and strong robustness, a scheme of nonadiabatic geometric quantum computation based on superconducting quantum circuits is proposed. Arbitrary single-qubit geometric quantum gates can be realized by applying a time-dependent resonant microwave field to a superconducting qubit. Meanwhile, nontrivial two-qubit geometric quantum gates can be realized similarly on two capacitively coupled qubits. The results show that the proposed scheme not only have good robustness of geometric operations but also are compatible with optimal control technology to further enhance the gate robustness. The study makes an important step towards fault-tolerant solid-state quantum computation.
- quantum computing,
- superconducting circuit,
- nonadiabatic evolution,
- geometric phase,
- optimal control

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