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Conferences > CLEO_SI > 2011 > CMQ > CMQ2

Extremely Broad-gain Quantum-Cascade Lasers based on Dual-upper-state design

Kazuue Fujita, Shinichi Furuta, Tatsuo Dougakiuchi, Atsushi Sugiyama, Tadataka Edamura, and Masamichi Yamanishi

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Abstract

Broad-gain quantum cascade lasers based on dual-upper-state design are reported. The devices exhibit a wide (~570 cm-1) electroluminescence spectra, a low cw threshold-current-density of 1.5 kA/cm2 and a high cw output-power of ~200 mW at 300 K.

© 2011 Optical Society of America

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