基于电容分流fluxonium亚稳态的$\Lambda$系统实现
量子物理
2018-04-18 v2 介观与纳米尺度物理
摘要
我们在超导电路中实现了一个系统，其亚稳态寿命长达8\,ms。我们通过创建“重”fluxonium（通过在原始电路设计中添加电容分流实现）来指数抑制自发能量弛豫涉及的隧穿矩阵元。该器件允许腔辅助和直接荧光读出，以及类似于光泵浦的状态制备方案。由于亚稳态之间的直接跃迁被强烈抑制，我们利用拉曼跃迁对这些态进行相干操控。
引用
@article{arxiv.1707.00656,
title = {Realization of a $\Lambda$ system with metastable states of a capacitively-shunted fluxonium},
author = {Nathan Earnest and Srivatsan Chakram and Yao Lu and Nicholas Irons and Ravi K. Naik and Nelson Leung and Leo Ocola and David A. Czaplewski and Brian Baker and Jay Lawrence and Jens Koch and David I. Schuster},
journal= {arXiv preprint arXiv:1707.00656},
year = {2018}
}
备注
Total of 10 pages. 5 pages in main tex, and 5 in supplement. Total of 9 figures in entire document