Abstract
We have carried out an experimental study of the nonlinear optical properties of multilayer heterostructures based on zinc chalcogenides when excited by ultrashort laser pulses. We have observed a strong change in the optical properties of the samples over a broad spectral region for two-photon and one-photon excitation of the ZnSe sublattice. The fast relaxation time of the nonlinearity is ∼2–5 psec in both cases. We propose a physical model qualitatively explaining the observed effects.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 74, No. 6, pp. 805–809, November–December, 2007.
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Stankevich, V.V., Ermolenko, M.V., Buganov, O.V. et al. Optical properties of multilayer heterostructures based on zinc chalcogenides upon strong laser excitation. J Appl Spectrosc 74, 897–902 (2007). https://doi.org/10.1007/s10812-007-0139-z
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DOI: https://doi.org/10.1007/s10812-007-0139-z