Cavity linewidth narrowing by means of electromagnetically induced transparency in Rb with a longitudinal magnetic field

Haonan Chen; Kang Ying; Yafan Duan; Yueping Niu; Shangqing Gong

doi:10.3788/col201412.092701

Chinese Optics Letters, Volume. 12, Issue 9, 092701(2014)

Cavity linewidth narrowing by means of electromagnetically induced transparency in Rb with a longitudinal magnetic field

Haonan Chen¹, Kang Ying², Yafan Duan¹, Yueping Niu¹, and Shangqing Gong¹

Author Affiliations

¹Department of Physics, East China University of Science and Technology, Shanghai 200237, China

²Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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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.

Keywords

020.7490 260.2030 270.1670 300.3700

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Haonan Chen, Kang Ying, Yafan Duan, Yueping Niu, Shangqing Gong, "Cavity linewidth narrowing by means of electromagnetically induced transparency in Rb with a longitudinal magnetic field," Chin. Opt. Lett. 12, 092701 (2014)

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Paper Information

Category: Quantum Optics

Received: Apr. 22, 2014

Accepted: May. 20, 2014

Published Online: Sep. 1, 2014

The Author Email:

DOI:10.3788/col201412.092701

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