Abstract

We report a single-frequency distributed Bragg reflector (DBR) fiber laser at 930 nm for the first time, to the best of our knowledge. A 2.5  cm long commercial highly neodymium-doped silica fiber was utilized as the gain medium to achieve 1.9  mW laser output. The single longitudinal mode operation of this laser was verified by a scanning Fabry–Perot interferometer. This fiber laser is suited for seeding high-power 930 nm narrow-linewidth laser amplifiers, which can be used to generate coherent single-frequency pure blue light through frequency doubling.

© 2016 Optical Society of America

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Supplementary Material (1)

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» Visualization 1: MP4 (5832 KB)      F-P scanning spectrum for this laser.

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