Abstract-Coherent excitation of phonon polaritons in BaGa4Se7 by terahertz pulses

Bo Wang, Yiwen E, Jiyong Yao, and Li Wang

https://www.osapublishing.org/abstract.cfm?uri=fio-2018-JW4A.36&origin=search

Phonon polaritons are generated in BaGa4Se7 by linear excitation of terahertz pulses, and probed using 800 nm femtosecond laser pulses. The observed phonon polaritons can be perfectly reproduced by a damped harmonic oscillator model.

© 2018 The Author(s)