11 February 2008 Simultaneous generation of slow and fast light for Raman coupled beams
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This paper presents an experiment to realize both slow and fast light effects simultaneously using the Raman gain and pump depletion in an atomic vapor. Heterodyne phase measurement shows the opposite dispersion characteristics at pump and probe frequencies. Optical pulse propagations in the vapor medium also confirm the slow and fast light effects due to these dispersions. The method being experimentally simple, and allowing the use of intense pulses experiencing anomalous dispersion via the fast light, can be applied in rotation sensing and broadband detection schemes proposed recently.
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G. S. Pati, G. S. Pati, M. Salit, M. Salit, K. Salit, K. Salit, S. Tseng, S. Tseng, M. S. Shahriar, M. S. Shahriar, "Simultaneous generation of slow and fast light for Raman coupled beams", Proc. SPIE 6904, Advances in Slow and Fast Light, 69040L (11 February 2008); doi: 10.1117/12.772236; https://doi.org/10.1117/12.772236

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