Abstract
Polymeric materials have emerged in recent years1 as the most promising candidates for all-optical signal processing devices because of their advantages such as ultrahigh-speed response (femtosecond) and extremely large optical nonlinearity. Waveguide characteristics such as high optical power density can be combined with optimized polymer materials to provide new opportunities for practical all-optical switching devices. However, to date in most polymer waveguides for all-optical devices2 only cladding layers were of nonlinear polymer. Their power thresholds were high. To optimize the guided-wave nonlinear optics interaction, we first fabricated polymer waveguide in which polyphenylacetylene constituted the guiding film itself. Optical switching was observed by prism coupling into the polymer waveguide.
© 1992 Optical Society of America
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