Abstract
Using the low loss buried waveguide construction technology based on Polyguide, and acrylate photopolymerizable monomer and associated acetate binders described elsewhere, key waveguide device building blocks have been constructed and evaluated. These building block components include Y branches, evanescent couplers, and crossovers, which are the waveguide elements necessary for passive and active device components for application in telecommunications, data communications, sensors, and printed circuit board applications. For evaluation purposes, the edge of the laminated multilayer structure is polished using colloidal silica, permitting low loss cleaved optical fiber butt-coupling to the waveguide using index matching fluid (Fig. 1). For permanent devices, stable optical fiber device pigtailing is being investigated by creating grooves using excimer laser ablation techniques, which are reported in another paper. Coupling has also been demonstrated using holographically constructed volume phase gratings. The parameters to create these gratings are being optimized for application to devices, sensors, interlayer interconnects, and wavelength sensitive systems.
© 1989 Optical Society of America
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