Cavity linewidth narrowing by means of electromagnetically induced transparency in Rb with a longitudinal magnetic field |
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| Affiliation: | [1]Department of Physics, East China University of Science and Technology, Shanghai 200237, China; [2]Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
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| Abstract: | We demonstrate a method for further reducing the cavity linewidth by the application of a small longitudinal magnetic field on the Rb cell. Because of the magnetic field multiple electromagnetically induced transparencies(EITs) are observed. The center EIT linewidth is measured as a function of the magnetic field. By utilizing the center EIT we narrow the cavity linewidth to 2 MHz which is half of the cavity linewidth without magnetic field. |
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| Keywords: | 270.1670 300.3700 260.2030 020.7490 |
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