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Proceedings Paper

Terahertz spectroscopy of low-dimensional nanomaterials: nonlinear emission and ultrafast electrodynamics
Author(s): Liang Luo; Jigang Wang
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Paper Abstract

Nonlinear and non-equilibrium properties of low-dimensional quantum materials are fundamental in nanoscale science yet transformative in nonlinear imaging/photonic technology today. These have been poorly addressed in many nano-materials despite of their well-established equilibrium optical and transport properties. The development of ultrafast terahertz (THz) sources and nonlinear spectroscopy tools facilitates understanding these issues and reveals a wide range of novel nonlinear and quantum phenomena that are not expected in bulk solids or atoms. In this paper, we discuss our recent discoveries in two model photonic and electronic nanostructures to solve two outstanding questions: (1) how to create nonlinear broadband terahertz emitters using deeply subwavelength nanoscale meta-atom resonators? (2) How to access one-dimensional (1D) dark excitons and their non-equilibrium correlated states in single-walled carbon nanotubes (SWMTs)?

Paper Details

Date Published: 26 August 2015
PDF: 14 pages
Proc. SPIE 9584, Ultrafast Nonlinear Imaging and Spectroscopy III, 958410 (26 August 2015); doi: 10.1117/12.2187130
Show Author Affiliations
Liang Luo, Ames Lab. (United States)
Iowa State Univ. (United States)
Jigang Wang, Ames Lab. (United States)
Iowa State Univ. (United States)

Published in SPIE Proceedings Vol. 9584:
Ultrafast Nonlinear Imaging and Spectroscopy III
Zhiwen Liu, Editor(s)

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