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Conferences > CLEO > 2010 > CTuBB > CTuBB1

Nonlinear THz Spectroscopy on the Dielectric Thin Films

Ikufumi Katayama, Hiroshi Aoki, Jun Takeda, Hiroshi Shimosato, Masaaki Ashida, Ryuhei Kinjo, Iwao Kawayama, Masayoshi Tonouchi, Masaya Nagai, and Koichiro Tanaka

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Abstract

Anharmonicity in the soft-mode potential of quantum-paraelectric SrTiO3 thin films has been directly observed with strong terahertz wave generated from a LiNbO3 single crystal. Hardening of the soft-mode resonance has been detected.

© 2010 Optical Society of America

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