脉冲光抽运原子钟原子相位反馈研究

董功勋1,2 林锦达1 张松1 邓见辽1 王育竹1

(1.中国科学院上海光学精密机械研究所量子光学重点实验室, 上海 201800)
(2.中国科学院大学, 北京 100049)

【摘要】在基于Ramsey作用的原子钟里, 受限于原子的相干时间及晶振的相位噪声, 自由演化时间不能太长。提出了大失谐光无破坏测量方法, 利用该方法获取了原子相位数据, 并将其反馈到微波相位上, 从而实现了原子相位反馈, 有效地延长了自由演化时间。分别从理论和实验上验证了这种周期性反馈作用的可行性。

【关键词】 原子与分子物理学; 原子相位反馈; 大失谐光探测; 脉冲光抽运; 原子钟;

【DOI】

【基金资助】 国家自然科学基金 (91536220, 11504393)

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This Article

ISSN:0253-2239

CN:31-1252/O4

Vol 37, No. 07, Pages 36-41

July 2017

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Article Outline

摘要

  • 1 引言
  • 2 基本原理
  • 3 实验结果
  • 4 结论
  • 参考文献