Journal
CHINESE PHYSICS B
Volume 31, Issue 2, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1674-1056/ac2f2e
Keywords
quantum states transfer; edge states; change-over switch; circuit quantum electrodynamics (QED) lattice
Categories
Funding
- National Natural Science Foundation of China [61801280, 61805134, 61822114]
- Applied Fundamental Research Projects of Shanxi Province, China [201801D221015]
- Science and Technology Innovation Project of Shanxi Normal University [2020XSY032]
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This paper proposes schemes to achieve robust quantum state transfer between distant resonators using the topological edge states of a one-dimensional circuit QED lattice. By adding on-site defects on the resonators, the distribution of edge states can be regulated accordingly, and different types of quantum state transfer can be achieved without adjusting the number of lattices.
We propose schemes to realize robust quantum states transfer between distant resonators using the topological edge states of a one-dimensional circuit quantum electrodynamics (QED) lattice. Analyses show that the distribution of edge states can be regulated accordingly with the on-site defects added on the resonators. And we can achieve different types of quantum state transfer without adjusting the number of lattices. Numerical simulations demonstrate that the on-site defects can be used as a change-over switch for high-fidelity single-qubit and two-qubit quantum states transfer. This work provides a viable prospect for flexible quantum state transfer in solid-state topological quantum system.
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