Nonlinear-optical response in polythiophene films using four-wave mixing techniques
- 1 December 1989
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 14 (23), 1321-1323
- https://doi.org/10.1364/ol.14.001321
Abstract
We report measurement of χ3 in polythiophene and a homologous series of polycondensed thiophene-based polymers above and below the absorption edge using the folded-boxcar four-wave mixing technique. Above gap the nonlinear coefficient χ3 was found to be one of the largest and fastest in a polymer.Keywords
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