Signal Processing with Degenrate Four-Wave Mixing.
Annual rept. Sep 85-Oct 86,
ARIZONA UNIV TUCSON OPTICAL SCIENCES CENTER
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In light of this need a major part of our research program in the last year has been the continuation of research into the semiconductor-doped glass material system. Bulk DFWM an photoluminescence experiments on these materials determined that they have a large nonlinear index of refraction n2 approx 10 to the minus 14th power sq m with fast response times r less than 16 psec required for high speed optical signal processing. Along with collaborators in the University of Galsgow we successfully developed a successful ion-exchange NaK technique for producing low-loss optical waveguides in these materials, the details of which are in the enclosed reprint.