Multiphoton ionization in a photonic crystal based on carbon nanotubes under the action of a few cycle optical pulse

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Abstract

We considered a theoretical model of the interaction of a one-dimensional few cycles optical pulse with a nonlinear medium of semiconductor carbon nanotubes, which has a spatial modulation of the refractive index in the direction of pulse propagation (a one-dimensional photonic crystal). The results of the dependence of the rate of one- and two-photon ionization on the intensity of the short-wavelength pulse are shown. The effect of additional external electric and magnetic fields on the photoionization rate is considered.

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About the authors

Yu. V. Dvuzhilova

Volgograd State University

Email: dvuzhilov.ilya@volsu.ru
Russian Federation, Volgograd

I. S. Dvuzhilov

Volgograd State University

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

M. B. Belonenko

Volgograd State University

Email: dvuzhilov.ilya@volsu.ru
Russian Federation, Volgograd

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Supplementary files

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2. Fig. 1. Dependence of the electric field strength of the PKI on the coordinate at a fixed time of 10 ps during propagation in the CNT medium: in the absence of PC (red line), in the presence of PC (blue line).

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3. Fig. 2. Dependence of the intensity of the PCR during one-photon (left) and two-photon (right) ionization in a homogeneous CNT medium without refractive index modulation (red line) and with it (blue line).

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4. Fig. 3. Dependence of the intensity of the primary ionizing radiation during single-photon (left) and two-photon (right) ionization (1) – without ionizing radiation, (2) – in the presence of ionizing radiation under the action of an external electric field, (3) – in the presence of ionizing radiation in the absence of an external electric field.

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5. Fig. 4. Dependence of the intensity of the PCR during one-photon (left) and two-photon (right) ionization in a CNT PC without taking into account the external magnetic field (red line) and taking into account the external magnetic field (blue line).

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