Harmonic generation in 2D layered materials

Corey Janisch; Ding Ma; Nikhil Mehta; Ana Laura-Elias; Nestor Perea-Lopez; Mauricio Terrones; Zhiwen Liu

doi:10.1117/12.2062278

17 September 2014 Harmonic generation in 2D layered materials

Corey Janisch, Ding Ma, Nikhil Mehta, Ana Laura-Elias, Nestor Perea-Lopez, Mauricio Terrones, Zhiwen Liu

Proceedings Volume 9198, Ultrafast Nonlinear Imaging and Spectroscopy II; 91980L (2014) https://doi.org/10.1117/12.2062278
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

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 .

Citation Download Citation

Corey Janisch, Ding Ma, Nikhil Mehta, Ana Laura-Elias, Nestor Perea-Lopez, Mauricio Terrones, and Zhiwen Liu "Harmonic generation in 2D layered materials", Proc. SPIE 9198, Ultrafast Nonlinear Imaging and Spectroscopy II, 91980L (17 September 2014); https://doi.org/10.1117/12.2062278

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