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Ultrafast dynamics of coherent optical phonons and phonon-polaritons in a LiNbO3 crystal observed by reflective pump-probe spectroscopy based on electro-optic sampling

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Abstract

Ultrafast dynamics of low-frequency phonon polariton A-mode, longitudinal-optic (LO) modes, transverse-optic (TO) modes, and low and high-frequency E-modes in x-cut lithium niobate crystal have been studied using reflection-type pump-probe spectroscopy with an electro-optic sampling technique.

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