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arXiv:quant-ph/0506211 · Optics Communications

Electromagnetically induced transparency and light slowdown for Λ-like systems with a structured continuum

Andrzej Raczyński, M. Rzepecka, Jarosław Zaremba, S. Zielińska-Kaniasty

Published May 27, 2006• 22 citations
arXivHTMLPDF
DOI
10.1016/j.optcom.2006.04.075

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We discuss the propagation of a short laser pulse in an autoionizing medium with double Fano structure. By solving the coupled equations for atoms and fields simultaneously, we can consider the influence of double Fano structure on the pulse laser in the transmission process. Full Text: PDF References A. Raczynski, M. Rzepecka, J. Zaremba, and S. Zielinska-Kaniasty, Electromagnetically induced transparency and light slowdown for Λ-like systems with a structured continuum, Opt. Commun. 266, 552 (2006). CrossRef T. Bui Dinh, W. Leonski, V. Cao Long and J. Perina Jr, Electromagnetically induced transparency for a double Fano-profile system, Eur. Phys. J. D, 68 (2014) CrossRef T. Bui Dinh, W. Leonski, V. Cao Long and J. Perina Jr, Electromagnetically induced transparency in systems with degenerate autoionizing levels in Λ-configuration, Optica Applicata 43, 471 (2013). CrossRef Cao Long Van, Structured continuum in various optical phenomena, in Physics and applications I: Quantum Optics Ed. Wieslaw Leonski, University of Zielona Gora Press, p.195 (2012). DirectLink M. Shapiro, Electromagnetically induced transparency with structured multicontinua, Phys.Rev.A 75, 013424 (2007). CrossRef E. Paspalakis, P.L. Knight, Population transfer via an autoionizing state with temporally delayed chirped laser pulses, J. Phys. B 31, 2753 (1998). CrossRef S.Y. Zhu and E.E. Fill, Nonlinear theory of lasers without inversion with two upper lasing levels, Phys. Rev. A 42, 5684 (1990). CrossRef S. E. Harris, Lasers without inversion: Interference of lifetime-broadened resonances, Phys. Rev. A 62, 1033 (1989). CrossRef E. Paspalakis, N. J. Kylstra, and P. L. Knight, Propagation dynamics in an autoionization medium, Phys. Rev. A 60, 642 (1999). CrossRef W. Leonski, R. Tanaś and S. Kielich, Laser-induced autoionization from a double Fano system, J. Opt. Am. B 4, 72 (1987). CrossRef

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We discuss the propagation of a short laser pulse in an autoionizing medium with double Fano structure. By solving the coupled equations for atoms and fields simultaneously, we can consider the influence of double Fano structure on the pulse laser in the transmission process. Full Text: PDF References A. Raczynski, M. Rzepecka, J. Zaremba, and S. Zielinska-Kaniasty, Electromagnetically induced transparency and light slowdown for Λ-like systems with a structured continuum, Opt. Commun. 266, 552 (2006). CrossRef T. Bui Dinh, W. Leonski, V. Cao Long and J. Perina Jr, Electromagnetically induced transparency for a double Fano-profile system, Eur. Phys. J. D, 68 (2014) CrossRef T. Bui Dinh, W. Leonski, V. Cao Long and J. Perina Jr, Electromagnetically induced transparency in systems with degenerate autoionizing levels in Λ-configuration, Optica Applicata 43, 471 (2013). CrossRef Cao Long Van, Structured continuum in various optical phenomena, in Physics and applications I: Quantum Optics Ed. Wieslaw Leonski, University of Zielona Gora Press, p.195 (2012). DirectLink M. Shapiro, Electromagnetically induced transparency with structured multicontinua, Phys.Rev.A 75, 013424 (2007). CrossRef E. Paspalakis, P.L. Knight, Population transfer via an autoionizing state with temporally delayed chirped laser pulses, J. Phys. B 31, 2753 (1998). CrossRef S.Y. Zhu and E.E. Fill, Nonlinear theory of lasers without inversion with two upper lasing levels, Phys. Rev. A 42, 5684 (1990). CrossRef S. E. Harris, Lasers without inversion: Interference of lifetime-broadened resonances, Phys. Rev. A 62, 1033 (1989). CrossRef E. Paspalakis, N. J. Kylstra, and P. L. Knight, Propagation dynamics in an autoionization medium, Phys. Rev. A 60, 642 (1999). CrossRef W. Leonski, R. Tanaś and S. Kielich, Laser-induced autoionization from a double Fano system, J. Opt. Am. B 4, 72 (1987). CrossRef
We discuss the propagation of a short laser pulse in an autoionizing medium with double Fano structure. By solving the coupled equations for atoms and fields simultaneously, we can consider the influence of double Fano structure on the pulse laser in the transmission process. Full Text: PDF References A. Raczyński, M. Rzepecka, J. Zaremba, and S. Zielińska-Kaniasty, "Electromagnetically induced transparency and light slowdown for Λ-like systems with a structured continuum", Opt. Commun. 266, 552 (2006). CrossRef T. Bui Dinh, W. Leoński, V. Cao Long and J. Perina Jr, "Electromagnetically induced transparency for a double Fano-profile system", Eur. Phys. J. D, 68 (2014) CrossRef T. Bui Dinh, W. Leoński, V. Cao Long and J. Perina Jr, "Electromagnetically induced transparency in systems with degenerate autoionizing levels in Λ-configuration", Optica Applicata 43, 471 (2013). CrossRef Cao Long Van, Structured continuum in various optical phenomena, in Physics and applications I: Quantum Optics" Ed. Wiesław Leoński, University of Zielona Góra Press, p.195 (2012). DirectLink M. Shapiro, "Electromagnetically induced transparency with structured multicontinua", Phys.Rev.A 75, 013424 (2007). CrossRef E. Paspalakis, P.L. Knight, "Population transfer via an autoionizing state with temporally delayed chirped laser pulses", J. Phys. B 31, 2753 (1998). CrossRef S.Y. Zhu and E.E. Fill, "Nonlinear theory of lasers without inversion with two upper lasing levels", Phys. Rev. A 42, 5684 (1990). CrossRef S. E. Harris, "Lasers without inversion: Interference of lifetime-broadened resonances", Phys. Rev. A 62, 1033 (1989). CrossRef E. Paspalakis, N. J. Kylstra, and P. L. Knight, "Propagation dynamics in an autoionization medium", Phys. Rev. A 60, 642 (1999). CrossRef W. Leoński, R. Tanaś and S. Kielich, "Laser-induced autoionization from a double Fano system", J. Opt. Am. B 4, 72 (1987). CrossRef
We discuss the electromagnetically induced transparency (EIT) phenomenon for a model in which a structured continuum is described by a so-called double Fano structure; instead of one autoionizing (AI) state, two such states are embedded in a flat continuum. Such a Fano structure is the upper level of a Λ-like three-level system and is coupled to two lower ones by an external laser field involving δ-correlated, Gaussian, Markov process (white noise), simulating realistic conditions of the experiment. For such a system we derived and solved a set of coupled stochastic integrodifferential equations in the stationary regime, obtaining exact formulas determining the electric susceptibility of the system. Dispersion and absorption spectra of the medium susceptibility were calculated and compared with those already discussed in the literature. We have shown that the presence of an additional AI level considerably changes the structure of transparency windows and how noisy excitation influences the EIT processes.