Electromagnetically Induced Transparency Spectra of [sup.6]Li Rydberg Atoms

Rydberg atoms possess highly excited valence electrons that are far away from atomic cations. Compared with ground states, Rydberg states are excited states with a high principal quantum number n that exhibit large electric dipole moments and have a variety of applications in quantum information pro...

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Bibliographic Details
Published in:Photonics 2023-12, Vol.10 (12)
Main Authors: Wu, Meimei, Bao, Xin, Yu, Shuxian, Yi, Licheng, Ren, Pingshuai, Deng, Shujin, Wu, Haibin
Format: Article
Language:English
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Lasers
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Summary:Rydberg atoms possess highly excited valence electrons that are far away from atomic cations. Compared with ground states, Rydberg states are excited states with a high principal quantum number n that exhibit large electric dipole moments and have a variety of applications in quantum information processing. In this communication, we report the measurement of the [sup.6]Li Rydberg excitation spectrum by ladder-type electromagnetically induced transparency (EIT) in a vapor cell. The 2p→ns/nd EIT spectra were recorded by sweeping the frequency of an ultraviolet Rydberg pumping laser while keeping the probing laser resonant to the 2s→2p transition. All lasers were locked on an ultrastable optical Fabry-Pérot cavity and measured by an optical frequency comb. Our results provide valuable information to precisely determine quantum defects and enable novel experiments with Rydberg-dressed ultracold Fermi gases.
ISSN:2304-6732
DOI:10.3390/photonics10121367