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Proceedings Paper

Bipolaronic-enhanced third-order nonlinearity in organic ladder polymers
Author(s): Xiao Fan Cao; Jien-Ping Jiang; Robert W. Hellwarth; Luping Yu; Mai Chen; Larry Raymond Dalton
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Paper Abstract

Third order nonlinear optical properties of organic ladder copolymer (POL) system is studied using degenerate four-wave mixing with picosecond laser pulse. Both the real and imaginary part of the third order nonlinear susceptibility (3) were determined by a new phase conjugate interferometric method over the wavelength range of 532 - 720 nm. From the space symmetry and wavelength dependence of -) we attribute the observed nonlinearity to the nonlinear photoexcitation of bipolarion states in this ladder copolymer system.

Paper Details

Date Published: 1 December 1990
PDF: 11 pages
Proc. SPIE 1337, Nonlinear Optical Properties of Organic Materials III, (1 December 1990); doi: 10.1117/12.22938
Show Author Affiliations
Xiao Fan Cao, Univ. of Southern California (United States)
Jien-Ping Jiang, Univ. of Southern California (United States)
Robert W. Hellwarth, Univ. of Southern California (United States)
Luping Yu, Univ. of Southern California (United States)
Mai Chen, Univ. of Southern California (United States)
Larry Raymond Dalton, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 1337:
Nonlinear Optical Properties of Organic Materials III
Garo Khanarian, Editor(s)

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