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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 21, Iss. 9 — Sep. 1, 2004
  • pp: 1647–1650

Frequency-modulation-induced transient oscillation in the spectra of electromagnetically induced transparency

Yong-Fan Chen, Guan-Chi Pan, and Ite A. Yu  »View Author Affiliations

JOSA B, Vol. 21, Issue 9, pp. 1647-1650 (2004)

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We observed the transient oscillation in the spectra of electromagnetically induced transparency by rapidly sweeping the probe laser frequency. The spectra were measured with laser-cooled 87Rb atoms. We show that the amplitude of the transient oscillation decays exponentially at a rate of Ωc2/2Γ, where Ωc is the Rabi frequency of the coupling laser and Γ is the spontaneous decay rate of the excited state. Using the transient oscillation, we demonstrate a simple method to determine Ωc. This method is particularly useful with the low-intensity coupling laser.

© 2004 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(270.1670) Quantum optics : Coherent optical effects
(300.6360) Spectroscopy : Spectroscopy, laser

Yong-Fan Chen, Guan-Chi Pan, and Ite A. Yu, "Frequency-modulation-induced transient oscillation in the spectra of electromagnetically induced transparency," J. Opt. Soc. Am. B 21, 1647-1650 (2004)

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