Time-domain Ramsey-narrowed sub-kHz electromagnetically induced absorption in atomic potassium
Time-domain Ramsey-narrowed sub-kHz electromagnetically induced absorption in atomic potassium
复制标题
原子钾的时域拉姆齐窄亚赫兹电磁感应吸收
DOI:
10.1088/1361-6455/ab0fc5
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Lenci L
中科院分区:
文献类型:
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作者:
Lenci L
The use of electromagnetically induced absorption (EIA) in sensing and metrology has been thus far hindered by saturation effects, which severely degrade its linewidth. Here we propose, and experimentally demonstrate, that time-dependent Ramsey spectroscopy in potassium vapour overcomes the detrimental effect of saturation. We observe sub-kHz Ramsey fringes, with full control of the EIA resonance characteristics. Combined with the efficient optical pumping associated to the KD 1 line, the present work demonstrates an EIA scheme suitable for sensing and metrological applications.
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DOI:
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发表时间:
2008
期刊:
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Journal of Physics B: Atomic, Molecular and Optical Physics
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