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arXiv 1005.0773cond-mat.mes-hallcond-mat.mtrl-scicond-mat.supr-conquant-ph
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混合量子系统的多光子光谱

Multi-photon spectroscopy of a hybrid quantum system

Pavel Bushev, Clemens Müller, Jürgen Lisenfeld, Jared H. Cole, Alexander Lukashenko, Alexander Shnirman, Alexey V. Ustinov

摘要:

我们报道了一个超导相位量子比特相干耦合到一个本征二能级缺陷的混合量子系统的多光子光谱实验。在强相互作用机制下,我们直接研究了量子位-缺陷系统的杂化态,其中量子位-缺陷耦合和驱动都不能被认为是弱微扰。这个制度是由一个理论模型,其中包括非谐波校正,多光子过程和退相干描述。我们提出了一个详细的实验和理论之间的比较,并找到了很好的协议在很宽的参数范围。

英文摘要:

We report on experimental multi-photon spectroscopy of a hybrid quantum system consisting of a superconducting phase qubit coherently coupled to an intrinsic two-level defect. We directly probe hybridized states of the combined qubit-defect system in the strongly interacting regime, where both the qubit-defect coupling and the driving cannot be considered as weak perturbations. This regime is described by a theoretical model which incorporates anharmonic corrections, multi-photon processes and decoherence. We present a detailed comparison between experiment and theory and find excellent agreement over a wide range of parameters.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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