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Superconducting Qubits

Qubit-Photon Bound States in Superconducting Metamaterials

arXiv
Authors: M. Pejic, Z. Przulj, D. Chevizovich, N. Lazarides, G. P. Tsironis, Z. Ivic

Year

2021

Paper ID

41004

Status

Preprint

Abstract Read

~2 min

Abstract Words

106

Citations

N/A

Abstract

We study quantum features of electromagnetic radiation propagating in the one-dimensional superconducting quantum metamaterial comprised of an infinite chain of charge qubits placed within two-stripe massive superconductive resonators. The Quantum-mechanical model is derived assuming weak fields and that, at low temperatures, each qubit is either unoccupied $N=0$ or occupied by a single Cooper pair $N=1$. Based on this assumption we demonstrate the emergence of two bands of single-photon-qubit bound states with the energy lying within (lower branch) or outside (higher) the photon continuum. The emergence of bound states may cause radiation trapping which could be of interest for the control of photon transport in these systems.

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  • We study quantum features of electromagnetic radiation propagating in the one-dimensional superconducting quantum metamaterial comprised of an infinite chain of charge qubits...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2112.01825 [2] arXiv https://arxiv.org/abs/2112.01825 [3] Publisher https://arxiv.org/abs/2112.01825

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