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Demonstration of high-performance 10.16 μm quantum cascade distributed feedback lasers fabricated without epitaxial regrowth

Applied Physics Letters (1999) 75(5) 665-667
DOI: 10.1063/1.124475
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Abstract

The measurement results on high power low threshold quantum cascade distributed feedback laser (DFB) emitting infrared radiation at 10.16 μm are presented. A lateral current injection scheme allowed the use of a strongly coupled surface grating without metal coverage and epitaxial regrowth. Threshold current densities of 1.85 kA/cm2 at 85 K and 5.4 kA/cm2 at room temperature were observed.

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APA

Hofstetter, D., Faist, J., Beck, M., Müller, A., & Oesterle, U. (1999). Demonstration of high-performance 10.16 μm quantum cascade distributed feedback lasers fabricated without epitaxial regrowth. Applied Physics Letters, 75(5), 665–667. https://doi.org/10.1063/1.124475

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