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2018•Frontiers in Optics / Laser ScienceRequires access

Coherent excitation of phonon polaritons in BaGa4Se7 by terahertz pulses

Bo Wang, E Yiwen, Jiyong Yao, Li Wang

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Abstract

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.

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What this paper is about

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.

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Available abstract

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.

Key concepts: Terahertz radiation, Polariton, Femtosecond, Excitation, Phonon, Laser, Physics, Optics

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