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Nonlinear phonon dynamics in the topological insulator Bi2Se3 driven by intense THz pulses

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Abstract

We demonstrate a powerful, table-top approach for directly visualizing crystal lattice dynamics using optical second harmonic generation after intense terahertz photoexcitation of a specific phonon mode in the topological insulator Bi2Se3.

© 2016 Optical Society of America

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More Like This
Nonlinear phonon dynamics in Bi2Se3 driven by intense THz pulses and probed with optical second harmonic generation

P. Bowlan, J. Bowlan, S. A. Trugman, R. Valdes-Aguilar, J. Qi, X. Liu, J. Furdyna, A. J. Taylor, D. A. Yarotski, and R. P. Prasankumar
FTu3L.3 CLEO: QELS_Fundamental Science (CLEO:FS) 2016

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Chihun In, Sangwan Sim, Jun Park, Jaeseok Kim, Sungjoon Park, Nikesh Koirala, Matthew Brahlek, Jisoo Moon, Maryam Salehi, Seongshik Oh, and Hyunyong Choi
FW4B.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2016

Terahertz investigation of Dirac plasmons and phonon interaction in the topological insulator Bi2Se3 metamaterials

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FF1F.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2017

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