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Conferences > CLEO_SI > 2012 > CF1K > CF1K.2

EC tuning of broadband QCL active region designs around 3.3 µm and 8 µm

S. Riedi, A. Bismuto, A. Hugi, S. Blaser, M. Beck, and J. Faist

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Abstract

Broadband-Quantum-Cascade-Lasers in the 3.3 µm and the 8 µm regions were tuned over 277 cm−1 and 445 cm−1 respectively using a grating-tuned external cavity set-up. The junction-up mounted devices were HR and AR coated and operated in pulsed mode. Another device of the 8 µm design was operated in cw and yielded a tuning range of 247 cm−1 without AR coating.

© 2012 Optical Society of America

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