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Proceedings Paper

Optimizing specific third-order polarizabilities and approaching the fundamental limit in donor substituted cyanoethynylethene (CEE) molecules
Author(s): Joshua C. May; Philip R. LaPorta; Bweh Esembeson; Ivan Biaggio; Tsuyoshi Michinobu; Filip Bures; François Diederich
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Paper Abstract

We review the molecular third-order polarizability of a series of compact two-dimensional cyanoethynylethene derivatives and show that the best molecules have a nonlinearity that is only by a factor of 50 lower than the fundamental limit derived by Kuzyk, which is revealed to be a quite useful concept in discussing the observed trends in molecular nonlinearities. We also show that the nonlinearity of this family of molecules contains a large two-photon contribution, and that the best molecules have a very high specific third-order polarizability, meaning that they pack a large nonlinearity in a relatively small size.

Paper Details

Date Published: 7 September 2006
PDF: 14 pages
Proc. SPIE 6331, Linear and Nonlinear Optics of Organic Materials VI, 633101 (7 September 2006); doi: 10.1117/12.682451
Show Author Affiliations
Joshua C. May, Lehigh Univ. (United States)
Philip R. LaPorta, Lehigh Univ. (United States)
Bweh Esembeson, Lehigh Univ. (United States)
Ivan Biaggio, Lehigh Univ. (United States)
Tsuyoshi Michinobu, ETH Zürich (Switzerland)
Filip Bures, ETH Zürich (Switzerland)
François Diederich, ETH Zürich (Switzerland)

Published in SPIE Proceedings Vol. 6331:
Linear and Nonlinear Optics of Organic Materials VI
Robert A. Norwood, Editor(s)

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