Using the relationship between geometry and hyperpolarizability as a tool for developing new paradigms for molecular engineering

Mark G. Kuzyk; David S. Watkins

doi:10.1117/12.678428

14 September 2006 Using the relationship between geometry and hyperpolarizability as a tool for developing new paradigms for molecular engineering

Mark G. Kuzyk, David S. Watkins

Author Affiliations +

Proceedings Volume 6331, Linear and Nonlinear Optics of Organic Materials VI; 633113 (2006) https://doi.org/10.1117/12.678428
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

We consider how geometry and symmetry alone play a role in determining the magnitude of the hyperpolarizability. Using potential energy functions given by a superposition of force centers representing nuclei, we find that for certain specific geometries, such as asymmetric octupolar-like molecule with donors and acceptors of varying strengths at the branches, the hyperpolarizability is near the fundamental limit. The fact that the hyperpolarizability, when it is at the fundamental limit, is well approximated by a three-level model confirms the three-level ansatz. Our results suggest new design strategies for breaking beyond the apparent limit.

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Mark G. Kuzyk and David S. Watkins "Using the relationship between geometry and hyperpolarizability as a tool for developing new paradigms for molecular engineering", Proc. SPIE 6331, Linear and Nonlinear Optics of Organic Materials VI, 633113 (14 September 2006); https://doi.org/10.1117/12.678428

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