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Quantum state manipulation of single-cesium-atom qubit in a micro-optical trap
  • ISSN号：2095-0462
  • 期刊名称：Frontiers of Physics
  • 时间：2014.6.30
  • 页码：634-639
  • 分类：O413.1[理学—理论物理;理学—物理] TN248[电子电信—物理电子学]
  • 作者机构：[1]State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
  • 相关基金：Acknowledgements This work was supported by the National Basic Research Program of China （Grant No. 2012CB921601） and the National Natural Science Foundation of China （Grants Nos. 11125418, 91336107, 61275210, 61227902, and 61121064）.
  • 相关项目：冷原子与腔量子电动力学
作者： Zhihui Wang|Gang Li|Yali Tian|Tiancai Zhang|
关键词： 铯原子, 量子位, 量子态, 微光学, 量子信息处理, 操纵, 旋转状态, 量子比特, qubit, single atom, Rabi flopping, spin-echo, dephasing time
中文摘要：

把我们展出了的显微镜的光陷井基于在 1064 nm 套住的单个铯原子编码为铯钟的单个 qubit 说。有高效率的单个 qubit 初始化，察觉和快州的旋转被表明，这州的操作为量信息处理是关键的。扎根的状态 Rabi 229.0 的跳动的率

英文摘要：

Based on single Cesium atoims trapped in a 1064 nm microscopic optical trap we have exhibited a single qubit encoded in the Cesium ＂clock states＂. The single qubit initialization, detection and the fast state rotation with high efficiencies are demonstrated and this state manipulation is crucial for quantmn information processing. The ground ~ates Rabi flopping rate of 229.0 ± 0.6 kHz is realized hy a two-photon Raman process. A clock states dephasing time of 3.0 ± 0.7 ms is measured, while all irreversible homogeneous dephasing time of 124 ± 17 ms is achieved by using the spin-echo technique. This well-controlled single atom provides an ideal quantmn qubit and quantmn node for quantum information processing.

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期刊信息
  • 《物理学前沿：英文版》
  • 主管单位:中华人民共和国教育部
  • 主办单位:高等教育出版社
  • 主编：赵光达
  • 地址：北京市朝阳区惠新东街4号富盛大厦15层
  • 邮编：100029
  • 邮箱：
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  • 国际标准刊号：ISSN：2095-0462
  • 国内统一刊号：ISSN：11-5994/O4
  • 邮发代号:80-965
  • 获奖情况:
  • 国内外数据库收录:
  • 荷兰文摘与引文数据库,美国科学引文索引（扩展库）,英国科学文摘数据库
  • 被引量:3