Evolution of silica-based highly nonlinear fibers for FWM-based wavelength conversion application
Recent progresses on silica-based highly nonlinear fibers for practical FWM-based applications such as wavelength conversion efficiency enhancement and chromatic dispersion design are described, and then functional wavelength conversions using the fibers are demonstrated.
Applications of four-wave mixing and cross phase modulation in highly nonlinear fibers
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Highly-nonlinear bismuth oxide-based glass fibers for all-optical signal processing
We have developed a highly nonlinear fiber made of the Bi/sub 2/O/sub 3/-based glass. From four-wave mixing measurements, the nonlinear coefficient is estimated to be /spl gamma/ = 64.2 W/sup -1/ km/sup -1/. The propagation loss is less than 0.8 dB/m, and it can be fusion-spliced to SiO/sub 2/ fibers. These characteristics are very attractive for applications of the Bi-fiber to all-optical signal processing devices.