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Proceedings Paper

Harmonic generation in 2D layered materials
Author(s): Corey Janisch; Ding Ma; Nikhil Mehta; Ana Laura-Elias; Nestor Perea-Lopez; Mauricio Terrones; Zhiwen Liu
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Paper Abstract

Two-Dimensional (2D) layered materials have garnered interest due to their novel optical and electronic properties. In this work, we investigate Second Harmonic Generation (SHG) in Tungsten Disulfide (WS2) monolayers grown on SiO2/Si substrates and suspended on a transmission electron microscopy grid; we find an unusually large second order susceptibility, which is nearly three orders of magnitude larger than common nonlinear crystals. We have also developed a Green’s function based formalism to model the harmonic generation from a 2D layer .

Paper Details

Date Published: 17 September 2014
PDF: 7 pages
Proc. SPIE 9198, Ultrafast Nonlinear Imaging and Spectroscopy II, 91980L (17 September 2014); doi: 10.1117/12.2062278
Show Author Affiliations
Corey Janisch, The Pennsylvania State Univ. (United States)
Ding Ma, The Pennsylvania State Univ. (United States)
Nikhil Mehta, The Pennsylvania State Univ. (United States)
Ana Laura-Elias, The Pennsylvania State Univ. (United States)
Nestor Perea-Lopez, The Pennsylvania State Univ. (United States)
Mauricio Terrones, The Pennsylvania State Univ. (United States)
Zhiwen Liu, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 9198:
Ultrafast Nonlinear Imaging and Spectroscopy II
Zhiwen Liu, Editor(s)

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