Microscopic model of transient Kerr birefringence and self-focusing in bulk dielectrics: dynamic Franz-Keldysh bandgap renormalization

Sergey I. Kudryashov

doi:10.1117/12.638606

7 February 2006 Microscopic model of transient Kerr birefringence and self-focusing in bulk dielectrics: dynamic Franz-Keldysh bandgap renormalization

Sergey I. Kudryashov

Author Affiliations +

Proceedings Volume 5991, Laser-Induced Damage in Optical Materials: 2005; 599110 (2006) https://doi.org/10.1117/12.638606
Event: Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers, 2005, Boulder, CO, United States

Abstract

Coherent band spectrum renormalization in dielectrics by a strong anisotropic electric field of intense laser pulses is considered in terms of dynamic Franz-Keldysh effect (DFKE). Comparing to permanent DFKE shifts of center-zone (Γ-point) non-degenerate band extrema, DFKE band spectrum renormalization of degenerate center-zone and zone-edge band extrema occurs as their simultaneous shifts and splitting. Theory-group analysis is invoked to construct the DFKE Hamiltonian for typical dispersion curves of valence and conduction bands in dielectric materials.

Citation Download Citation

Sergey I. Kudryashov "Microscopic model of transient Kerr birefringence and self-focusing in bulk dielectrics: dynamic Franz-Keldysh bandgap renormalization", Proc. SPIE 5991, Laser-Induced Damage in Optical Materials: 2005, 599110 (7 February 2006); https://doi.org/10.1117/12.638606

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