Nonlinear absorption in polydiacetylene waveguides
- 13 February 1995
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (7) , 786-788
- https://doi.org/10.1063/1.114188
Abstract
We have observed nonlinear absorption in spin-coated poly(4,6-decadiyne-1, 10-diolbis {[(n-butoxycarbonyl)methyl]urethane}) [poly(3BCMU)] polydiacetylene channel waveguides at different wavelengths in the near-infrared. Intensity dependent absorption coefficients, α2 and α3, have been determined by measurements of the intensity dependent transmission. The implications of nonlinear absorption for all-optical device applications in this material are discussed.Keywords
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