Ramaz Khomeriki Javakhishvili Tbilisi State University, GEORGIA Energy

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Presentation transcript:

Linear and Nonlinear Landau-Zener Tunneling in Optical Directional Coupler Ramaz Khomeriki Javakhishvili Tbilisi State University, GEORGIA Energy Time

R. Khomeriki, S. Ruffo, Phys. Rev. Lett., 94, 113904 (2005) A. Fratalocchi, G. Assanto, OPTICS EXPRESS, 14, 2021 (2006)

Adiabatic Process Diabatic Process

Square Double Well Potential

L. D. Landau, Phys. Z. Sowjetunion 2, 46 (1932). G. Zener, Proc. R. Soc. London A 137, 696 (1932). Linear Limit: Transition Rate:

Multiple Linear Landau-Zener Tunneling

Nonlinear Landau-Zener Tunneling: B. Wu, Q. Niu, Phys. Rev Nonlinear Landau-Zener Tunneling: B. Wu, Q. Niu, Phys. Rev. A 61, 023402 (2000).

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