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High-Quality, Distributed Phase-Shift, Distributed Feedback Cavities in Al2O3 Waveguides

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Abstract

Distributed phase-shift holographically-written surface relief Bragg gratings have been integrated with Al2O3 waveguides via reactive ion etching of SiO2 overlay films. The realized optical cavities are highly reflective and demonstrate Q-values as high as 125000.

© 2010 Optical Society of America

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