Quantum state preparation in circuit QED via Landau-Zener tunneling

K. Saito; M. Wubs; S. Kohler; P. Hänggi; Y. Kayanuma

doi:10.1209/epl/i2006-10232-4

Quantum state preparation in circuit QED via Landau-Zener tunneling

K. Saito, M. Wubs, S. Kohler, P. Hänggi, Y. Kayanuma

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

We study a qubit undergoing Landau-Zener transitions enabled by the coupling to a circuit-QED mode. Summing an infinite-order perturbation series, we determine the exact nonadiabatic transition probability for the qubit, being independent of the frequency of the QED mode. Possible applications are single-photon generation and the controllable creation of qubit-oscillator entanglement.

Original language	English
Pages (from-to)	22-28
Number of pages	7
Journal	EPL
Volume	76
Issue number	1
DOIs	https://doi.org/10.1209/epl/i2006-10232-4
Publication status	Published - 2006 Oct 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1209/epl/i2006-10232-4

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AU - Kohler, S.

AU - Hänggi, P.

AU - Kayanuma, Y.

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N2 - We study a qubit undergoing Landau-Zener transitions enabled by the coupling to a circuit-QED mode. Summing an infinite-order perturbation series, we determine the exact nonadiabatic transition probability for the qubit, being independent of the frequency of the QED mode. Possible applications are single-photon generation and the controllable creation of qubit-oscillator entanglement.

AB - We study a qubit undergoing Landau-Zener transitions enabled by the coupling to a circuit-QED mode. Summing an infinite-order perturbation series, we determine the exact nonadiabatic transition probability for the qubit, being independent of the frequency of the QED mode. Possible applications are single-photon generation and the controllable creation of qubit-oscillator entanglement.

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Quantum state preparation in circuit QED via Landau-Zener tunneling

Abstract

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