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Modification of Energy Bands of a Dielectric Crystal by Pondermotive Potential of Gaussian Ultrashort Laser Pulse

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Abstract

Ultrafast modification of direct-gap parabolic energy bands of a dielectric crystal by high-intensity Gaussian ultrashort laser pulse is theoretically studied. Non-trivial dynamics of laser-driven Bloch oscillations of electrons result in formation of transient indirect bands.

© 2017 Optical Society of America

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