Abstract
By direct UV-writing on Ge-doped silica plates made by the flame-hydrolysis deposition technique, optical add-drop multiplexers, based on the design of a symmetrical directional coupler combined with Bragg grating placed in the coupling zone, have been fabricated. Both the waveguide structure and the grating structure have been made by UV-exposure techniques.
© 2002 Optical Society of America
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