Pushing the hyperpolarizability to the limit

Details Pushing the hyperpolarizability to the limit Pushing the hyperpolarizability to the limit

2006-05-22

arxiv.org/abs/physics/0605187v2

Opt. Lett. 31, 2891-2893(2006)

Physics

Optics

4 pages, 3 figures

Scientific paper

10.1364/OL.31.002891

We use numerical optimization to find a one-dimensional potential energy function that yields the largest hyperpolarizability, which we find is within 30% of the fundamental limit. Our results reveal insights into the character of the potential energy functions and wavefunctions that lead to the largest hyperpolarizability. We suggest that donor-acceptor molecules with a conjugated bridge with many sites of reduced conjugation to impart conjugation modulation may be the best paradigm for making materials with huge hyperpolarizabilities that approach the fundamental limit.

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