Novel organic-inorganic hybrid materials were successfully synthesized by non-hydrolytic sol-gel processing. Crack-free
and thick films were produced with no remaining traces of solvents without high volume shrinkage. Adjusting the
chemical composition of the materials allows the precise tailoring of the optical properties of the materials, such as
optical loss, birefringence, refractive index, and thermo-optic coefficient. They can be fabricated into the step index
optical waveguide structures with well-defined and reproducible refractive index differences within 0.001. The
transmission performance of each waveguide channel was tested using a 10 Gbps data stream. The electrical output
signal from a photodetector, connected to a wide-band oscilloscope, displays a clear 10 Gbps eye pattern. We produced a
series of flexible optical waveguides from organic-inorganic hybrid materials by using soft-lithographic technique. The
optical losses of the flexible waveguide arrays bent over various curvatures were measured and the transmission
performance of each waveguide channel was also tested. The bending losses of a flexible waveguide array were
measured and found to yield no significant loss above 2 mm diameter curvature.
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