Electromagnetically Induced Transparency in <sup>87</sup>Rb Bose-Einstein Condensate

Liang-chao, 陈良超 Chen; Guang-Yu, 杨广玉 Yang; Zeng-ming, 孟增明 Meng; Liang-Hui, 黄良辉 Huang; Peng-jun, 王鹏军 Wang

doi:10.3788/jqo20172303.0006

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2023

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“…The experimental setup is sketched in Fig. 1(b) and presented in detail in our previous works [50,51] . The experiment starts with the preparation of a degenerate Fermi gas of 40 K atoms in the state jF = 9=2,m F = 9=2i in a crossed optical dipole trap.…”

Section: Principle and Experimental Setupmentioning

confidence: 99%

Rydberg electromagnetically induced transparency in 40K ultracold Fermi gases

Bian,

Shan,

Huang

et al. 2023

中国光学快报

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We report the measurement of the electromagnetically induced transparency (EIT) with Rydberg states in ultracold 40 K Fermi gases, which is obtained through a two-photon process with the ladder scheme. Rydberg-EIT lines are obtained by measuring the atomic losses instead of the transmitted probe beam. Based on the laser frequency stabilization locking to the superstable cavity, we study the Rydberg-EIT line shapes for the 37s and 35d states. We experimentally demonstrate the significant change in the Rydberg-EIT spectrum by changing the principal quantum number of the Rydberg state (n = 37=52 and l = 0). Moreover, the transparency peak position shift is observed, which may be induced by the interaction of the Rydberg atoms. This work provides a platform to explore many interesting behaviors involving Rydberg states in ultracold Fermi gases.

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Section: Principle and Experimental Setupmentioning

confidence: 99%