Ultrafast dynamics of coherent optical phonons and phonon-polaritons in a LiNbO 3 crystal observed by reflective pump-probe spectroscopy based on electro-optic sampling

Aizitiaili Abulikemu,Takumi Fukuda,Muneaki Hase

conference on lasers and electro optics（2021）

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摘要

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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关键词

LiNbO3 crystal,reflective pump-probe spectroscopy,ultrafast dynamics,low-frequency phononpolariton A-mode,longitudinal-optic modes,high-frequency E-modes,x-cut lithium niobate crystal,reflection-type pump-probe spectroscopy,electro-optic sampling technique,coherent optical phonons,phononpolaritons

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