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Proceedings Paper

Picosecond nonlinear spectroscopy of quantum-size PbTe films
Author(s): A. G. Kornienko; V. M. Petnikova; Vladimir V. Shuvalov; Ludmila N. Vereshchagina; Alexander N. Zherikhin
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Paper Abstract

We propose new and promising technique for studying quantum- size structures. We tested this technique based on optical two-photon excitation and probing of renormalized electron spectrum in our investigation of monocrystalline PbTe films. We revealed sharp dependence of spectral position of two- photon resonances versus film thickness L equals 6, 18, and 30 nm. Our theoretical model explained this result by taking into account Pb Te band structure, electron-electron and electron-phonon interactions, and redistribution of charge carriers due to inter- and intraband processes. Estimation T2 >= 300 fs for decay time of interband polarization was obtained.

Paper Details

Date Published: 10 June 1996
PDF: 10 pages
Proc. SPIE 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials, (10 June 1996); doi: 10.1117/12.242138
Show Author Affiliations
A. G. Kornienko, M.V. Lomonosov Moscow State Univ. (Russia)
V. M. Petnikova, M.V. Lomonosov Moscow State Univ. (Russia)
Vladimir V. Shuvalov, M.V. Lomonosov Moscow State Univ. (Russia)
Ludmila N. Vereshchagina, Scientific Research Ctr. for Technological Lasers (Russia)
Alexander N. Zherikhin, Scientific Research Ctr. for Technological Lasers (Russia)


Published in SPIE Proceedings Vol. 2801:
Nonlinear Optics of Low-Dimensional Structures and New Materials
Vladimir I. Emel'yanov; Vladislav Ya. Panchenko, Editor(s)

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