11 October 2012 Using geometry to enhance the nonlinear response of quantum confined systems
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Abstract
We study the effect of geometry on the nonlinear response of a network of quantum wires that form loops. Exploiting the fact that a loop’s transition moment matrix and energies are exactly solvable for each wire segment, they can be pieced together to determine a loop’s properties. A Monte Carlo method is used to sample the configuration space of all possible geometries to determine the shape that optimizes the intrinsic hyperpolarizability. We suggest that a combination of wire geometry and confinement effects can lead to artificial systems with ultra-large nonlinear response, which can be potentially made using known nanofabrication techniques.
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Shoresh Shafei, Shoresh Shafei, Rick Lytel, Rick Lytel, Mark G. Kuzyk, Mark G. Kuzyk, } "Using geometry to enhance the nonlinear response of quantum confined systems", Proc. SPIE 8474, Optical Processes in Organic Materials and Nanostructures, 84740P (11 October 2012); doi: 10.1117/12.928874; https://doi.org/10.1117/12.928874
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