Nonlinear plasmonic response in GaAs/InGaAs core/shell nanowires

Rakesh Rana,Leila Balaghi,Ivan Fotev,Harald Schneider,Manfred Helm,Emmanouil Dimakis,Alexej Pashkin

The 22nd International Conference on Ultrafast Phenomena 2020 (2020), paper Tu4A.45（2020）

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摘要

We show nonlinear plasmonic response in GaAs/In0.2Ga0.8As nanowires using high-field terahertz pulses. With increasing THz field, plasmon resonance redshifts and its spectral weight decreases indicating a spatially inhomogeneous intervalley electron scattering.

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关键词

nonlinear plasmonic response,nanowires,gaas/ingaas core/shell

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