Three-Dimensional Nanostructures as Highly Efficient Generators of Second Harmonic Light
Top Cited Papers
- 1 November 2011
- journal article
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 11 (12), 5519-5523
- https://doi.org/10.1021/nl2033602
Abstract
Plasmonic nanostructures enable the generation of large electromagnetic fields confined to small volumes, potentially providing a route for the development of nanoengineered nonlinear optical media. A metal-capped hemispherical nanoparticle, also known as a nanocup, generates second harmonic light with increasing intensity as the angle between the incident fundamental beam and the nanocup symmetry axis is increased. Nanoparticle orientation also modifies the emission direction of the second harmonic light. With conversion efficiencies similar to those of inorganic SHG crystals, these structures provide a promising approach for the design and fabrication of stable, synthetic second-order nonlinear optical materials tailored for specific wavelengths.This publication has 32 references indexed in Scilit:
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