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Conferences > NLO > 2023 > Th1B > Th1B.3

Nonlinear Optical Spectroscopy of Perovskites

Chandra P. Neupane, Jeremy Sylvester, Helani A. S. Singhapurage, Dinusha M. S. R. Mudiyanselage, and Feruz Ganikhanov

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Abstract

Ultrafast decay of optical phonon has been studied in wide-bandgap BaSnO3 and SrTiO3 perovskites using a nonlinear spectroscopic technique. Measured phonon decay rates are within 1.4 – 2.3ps-1and can be explained within the framework of parametric phonon interactions.

© 2023 The Author(s)

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