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Observation of intense second harmonic generation from MoS 2 atomic crystals

Observation of intense second harmonic generation from MoS 2 atomic crystals The nonlinear optical properties of few-layer MoS 2 two-dimensional crystals are studied using femtosecond laser pulses. We observed highly efficient second-harmonic generation from the odd-layer crystals, which shows a polarization intensity dependence that directly reveals the underlying symmetry and orientation of the crystal. Additionally, the measured second-order susceptibility spectra provide information about the electronic structure of the material. Our results open up opportunities for studying the nonlinear optical properties in these two-dimensional crystals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Observation of intense second harmonic generation from MoS 2 atomic crystals

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References (13)

Publisher
American Physical Society (APS)
Copyright
Copyright © 2013 The American Physical Society
ISSN
1550-235X
DOI
10.1103/PhysRevB.87.201401
Publisher site
See Article on Publisher Site

Abstract

The nonlinear optical properties of few-layer MoS 2 two-dimensional crystals are studied using femtosecond laser pulses. We observed highly efficient second-harmonic generation from the odd-layer crystals, which shows a polarization intensity dependence that directly reveals the underlying symmetry and orientation of the crystal. Additionally, the measured second-order susceptibility spectra provide information about the electronic structure of the material. Our results open up opportunities for studying the nonlinear optical properties in these two-dimensional crystals.

Journal

Physical Review BAmerican Physical Society (APS)

Published: May 15, 2013

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