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Proceedings Paper

Excited state dynamics of the third-order nonlinear optical response in diphenylhexatriene
Author(s): D. C. Rodenberger; Weidong Chen; Rui-Fang Shi; Qihou L. Zhou; Anthony F. Garito
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Paper Abstract

Conjugated organic molecules and polymer systems are of interest due to the delocalized (pi) -electron systems which give rise to large values of (chi) (3)(-(omega) ;(omega) ,(omega) ,-(omega) ), with extremely fast response times, in wavelength regimes where there is minimal background absorption. We have previously presented theoretical results demonstrating that (chi) (3)(-(omega) ;(omega) ,(omega) ,-(omega) ) can be further increased for nonlinear optical processes originating from real population of electronic excited states in conjugated linear chains. In this paper, a dynamical model is developed for the time evolution of the degenerate four wave mixing susceptibility (gamma) (-(omega) ;(omega) ,(omega) ,-(omega) ).

Paper Details

Date Published: 16 December 1993
PDF: 6 pages
Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165302
Show Author Affiliations
D. C. Rodenberger, Univ. of Pennsylvania (United States)
Weidong Chen, Univ. of Pennsylvania (United States)
Rui-Fang Shi, Univ. of Pennsylvania (United States)
Qihou L. Zhou, Univ. of Pennsylvania (United States)
Anthony F. Garito, Univ. of Pennsylvania (United States)

Published in SPIE Proceedings Vol. 2025:
Nonlinear Optical Properties of Organic Materials VI
Gustaaf R. Moehlmann, Editor(s)

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