Scattering of 3D extremely short pulses on a metallic inhomogeneity in an array of carbon nanotubes

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Abstract

We studied the scattering of extremely short optical pulses propagating in a medium with carbon nanotubes containing metallic inhomogeneity. The behavior of a 3D pulse depending on three spatial coordinates and one time coordinate is investigated. The electromagnetic field is considered based on Maxwell’s equations, supplemented with a term that considers multiphoton absorption of carbon nanotubes. The peculiarities of the interaction of the pulse with a metal wire in the nonlinear medium under study have been established.

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About the authors

S. V. Belibikhin

Volgograd State University

Author for correspondence.
Email: yana_nn@volsu.ru
Russian Federation, Volgograd

N. N. Konobeeva

Volgograd State University

Email: yana_nn@volsu.ru
Russian Federation, Volgograd

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2. Fig. 1. Dependence of the electric field intensity of a 3D pulse on the coordinates at different moments of time z: t = 0 (a), 1.5 (b), 2.5 (c), 3.5 (d). The values ​​on the color scale are normalized to the maximum value of I at each moment of time. The coordinates of the location of the inhomogeneity are x = 2.0, z = 1.2.

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3. Fig. 2. Cross-sections of the electric field intensity of a 3D pulse passing through the pulse maximum from the x coordinate: t = 2.5 (a), 3.5 (b). The solid curve corresponds to a CNT array without a metal wire, the dotted curve corresponds to a CNT array with inhomogeneity.

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4. Fig. 3. Longitudinal sections of the electric field intensity of a 3D pulse passing through the pulse maximum from the z coordinate: t = 2.5 (a), 3.5 (b). The solid curve corresponds to a CNT array without a metal wire, the dotted curve corresponds to a CNT array with inhomogeneity.

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