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Conferences > CLEO_SI > 2012 > CTh4N > CTh4N.6

Terahertz Quantum Cascade Lasers with Symmetric Active Regions

C. Deutsch, H. Detz, T. Zederbauer, A. M. Andrews, W. Schrenk, A. Benz, G. Strasser, and K. Unterrainer

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Abstract

We present terahertz quantum cascade lasers based on symmetric active regions. Polarity dependent performance differences are observed in the GaAs/AlGaAs and the InGaAs/GaAsSb system. The growth-induced asymmetries and their influence are discussed.

© 2012 Optical Society of America

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