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Conferences > CLEO_SI > 2013 > CM1K > CM1K.6

Room-temperature operation of index-coupled distributed-feedback 4.75 μm quantum cascade lasers fabricated without epitaxial regrowth

Ryan M. Briggs, Clifford Frez, Carl E. Borgentun, and Siamak Forouhar

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Abstract

We demonstrate single-mode distributed-feedback quantum cascade lasers at 4.75 µm with etched index-coupled surface gratings and spin-on dielectric infilling. We observe continuous wave laser emission at room temperature with 5 W of electrical power consumption.

© 2013 Optical Society of America

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