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Conferences > CLEO_QELS > 2013 > QM3D > QM3D.2

Ultrafast optical-pump terahertz-probe spectroscopy of individual silicon nanowires

Taeyong Kim, Sangwan Sim, Jungmok Seo, Jaehong Lee, Heetak Han, Taeyoon Lee, and Hyunyong Choi

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Abstract

We present terahertz carrier dynamics in individual silicon nanowires by ultrafast optical-pump and terahertz-probe spectroscopy. Density-dependent study reveals that the surface traps play a major role in the carrier dynamics, in which the conductivity changes with the terahertz polarization parallel to nanowire axis are extracted.

© 2013 Optical Society of America

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