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Single-mode depressed cladding buried waveguide laser based on single-crystal Cr:ZnS

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Abstract

We report the first single-mode Cr:ZnS depressed cladding buried waveguide laser manufactured by femtosecond laser writing. The laser yields 150 mW average power at 2272 nm wavelength with 11% slope efficiency.

© 2019 The Author(s)

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