Compensation of field-induced frequency shifts in Ramsey spectroscopy of optical clock transitions

Compensation of field-induced frequency shifts in Ramsey spectroscopy of optical clock transitions
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光学时钟跃迁拉姆齐光谱中场致频移的补偿

DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
F. Riehle
F. Riehle
中科院分区：
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文献类型：
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作者：
A. Taichenachev;A. Taichenachev;A. Taichenachev;V. Yudin;V. Yudin;V. Yudin;C. Oates;Z. Barber;N. Lemke;A. Ludlow;U. Sterr;C. Lisdat;F. Riehle

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我们已经扩展了拉姆齐光谱步进探测频率在两个拉姆齐激发脉冲，以补偿由激发本身引起的频移。这使得精确的拉姆齐光谱甚至适用于具有与光谱分辨率相当的斯塔克和塞曼位移的跃迁。该方法实现了一种新的方法来评估和补偿关键的频率偏移，这特别有利于基于磁场诱导，光谱，双光子跃迁或严重禁止跃迁的光学时钟。
We have extended Ramsey spectroscopy by stepping the probe frequency during the two Ramsey excitation pulses to compensate frequency shifts induced by the excitation itself. This makes precision Ramsey spectroscopy applicable even for transitions that have Stark and Zeeman shifts comparable to the spectroscopic resolution. The method enables a new way to evaluate and compensate key frequency shifts, which benefits in particular, optical clocks based on magnetic field-induced, spectroscopy, two-photon transitions, or heavily forbidden transitions.