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Ion-exchanged glass waveguides with improved coupling to semiconductor lasers

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Abstract

Ion exchanged glass waveguide components can perform many functions needed in optical communications, but will find a use in communications networks only if insertion losses are low enough. Exchanged guides have been made with low optical propagation loss, and channel guides with excellent coupling to optical fiber have been made.|1] In some cases, however, we require direct coupling to semiconductor lasers, which have much smaller mode size than fibers. A small mode size also serves to minimize losses in waveguide bends.

© 1992 Optical Society of America

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