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Conferences > CLEO_SI > 2013 > CM1K > CM1K.8

Importance of Growth Direction in Mid-Infrared Quantum Cascade Lasers

Pierre M. Bouzi, YenTing Chiu, Christoph Deutsch, Vadim Tokranov, Serge Oktyabrsky, and Claire Gmachl

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Abstract

We report on the effect of growth direction in Quantum Cascade lasers by using symmetric structures. Dopant migration causes strong wavefunction overlap with dopants for positively biased devices, resulting in ~40% lower performance than those biased negatively.

© 2013 Optical Society of America

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