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Controlling the propagation of broadband light pulses by Electromagnetically Induced Transparency
Authors:Emilio Ignesti  Roberto Buffa  Lorenzo Fini  Emiliano Sali  Marco V. Tognetti  Stefano Cavalieri
Affiliation:1. Dipartimento di Fisica e Astronomia, Università di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy;2. Dipartimento di Fisica, Università di Siena, Via Roma 56, I-53100 Siena, Italy;3. European Laboratory for Nonlinear Spectroscopy, Università di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy;1. College of Physics and Electronic Science, Hubei Normal University, Huangshi 435002, China;2. School of Mathematics and Physics, China University of Geosciences, Wuhan 430074, China;3. School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China;1. Texas A&M University, College Station, TX 77843, USA;2. Princeton University, Princeton, NJ 08544, USA;3. Baylor University, Waco, TX 76798, USA;4. National University of Mongolia, Ulaanbaatar 210646, Mongolia;5. Joint Institute of High Temperature, RAS, Moscow 125412, Russia;6. University of North Texas, Denton, TX 76203, USA;1. Physics Department, Faculty of Natural and Exact Sciences, University of Oriente, Santiago de Cuba, Cuba;2. Physics Department, Higher Institute for Mines and Metallurgy, Moa, Holguin, Cuba;3. Physics Institute-USP, SP, Brazil;4. Faculty of Pharmaceutical Sciences, USP, SP, Brazil;5. Pontificia Universidad Católica de Valparaíso, Escuela de Ingeniería Mecánica, Chile;6. Clinical and Surgical Hospital, Juan Bruno Zayas, Santiago de Cuba, Cuba;1. State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, PR China;2. College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, PR China
Abstract:We present an experimental and theoretical investigation, performed on hot sodium atoms in a ladder scheme, showing the control of the absorption and of the propagation velocity of a probe light pulse with a spectral bandwidth as large as 1.8 GHz. The predictions of the theoretical model compare favorably with the experimental results.
Keywords:
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