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Proceedings Paper

Excited-state enhancement of third-order optical nonlinearity in a PPV derivative
Author(s): Guohong Ma; Lijun Guo; Jianhua Liu; Ye Liu; Jun Mi; Shixiong Qian; Gufeng He; Yongfang Li; Ronqiu Wang
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Paper Abstract

By using two-color femtosecond optically heterodyned optical Kerr effect experiment, we studied the real components of third-order nonlinearity of 2,5-dioctyloxy poly(p-phenylene vinylene) (DO-PPV). As pump wavelength was set near the absorption region of the material, the value of x(3) of DO-PPV was improved by one order of the magnitude comparing with that of nonresonant condition. We suggest that this enhancement result from the contribution of the excited state.

Paper Details

Date Published: 29 November 2000
PDF: 5 pages
Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); doi: 10.1117/12.408396
Show Author Affiliations
Guohong Ma, Fudan Univ. (Singapore)
Lijun Guo, Fudan Univ. (China)
Jianhua Liu, Fudan Univ. (China)
Ye Liu, Fudan Univ. (China)
Jun Mi, Fudan Univ. (China)
Shixiong Qian, Fudan Univ. (China)
Gufeng He, Institute of Chemistry (China)
Yongfang Li, Institute of Chemistry (China)
Ronqiu Wang, Institute of Chemistry (China)

Published in SPIE Proceedings Vol. 4086:
Fourth International Conference on Thin Film Physics and Applications
Junhao Chu; Pulin Liu; Yong Chang, Editor(s)

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