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InGaAs/GaAsSb Terahertz Quantum Cascade Lasers

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Abstract

We present THz QCLs based on the InGaAs/GaAsSb material system, which benefits from the low effective masses. The devices are emitting between 3.6–4.2 THz up to a temperature of 135 K.

© 2011 Optical Society of America

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