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Conferences > CLEO_SI > 2013 > JTu1J > JTu1J.7

Terahertz Quantum Cascade Laser Performance for Structures with Variable Barrier Heights

Aiting Jiang, Karun Vijayraghavan, Alpar Matyas, Christian Jirauschek, Zbig R. Wasilewski, and Mikhail A. Belkin

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Abstract

We experimentally studied the performance of GaAs/AlGaAs terahertz quantum cascade lasers with variable barrier heights in the bandstructure. Best devices achieved Tmax close to that of the record structure, while having lower threshold current density.

© 2013 Optical Society of America

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