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High-Q distributed-Bragg-grating laser cavities

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Publication date
1 January 2011
Publisher
University of Michigan

Abstract

Applying Bragg gratings in Al2O3 channel waveguides, we demonstrate distributed Bragg reflectors with Q-factors of 1.02x10e6. An integrated Al2O3:Yb3+ waveguide laser with 67% slope efficiency and 47 mW output power is achieved with such cavities

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