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Conferences > UP > 2014 > 09.Wed.B > 09.Wed.B.6

Ultrafast modulation of polarization amplitude by terahertz fields in electronic-type organic ferroelectrics

T. Miyamoto, D. Hata, K. Fujimoto, H. Yamakawa, T. Morimoto, M. Sotome, H. Yada, N. Kida, S. Horiuchi, and H. Okamoto

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Abstract

Using strong terahertz fields, we succeeded in rapidly modulating ferroelectric polarizations in electronic-type ferroelectrics of molecular crystals, TTF-CA and croconic acid. Polarization modulations are attributable to collective inter- or intra-molecular charge-transfers induced by terahertz field.

© 2014 Optical Society of America

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