Operation Temperature and T0 Improvement of GaAs/AlGaAs THz QCL by Utilizing Higher Al Composition Barriers

T.-T. Lin; H. Hirayama

2013 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2013),
paper WC3_3

Operation Temperature and T₀ Improvement of GaAs/AlGaAs THz QCL by Utilizing Higher Al Composition Barriers

T.-T. Lin and H. Hirayama

Conference on Lasers and Electro-Optics/Pacific Rim 2013

Kyoto Japan
30 June–4 July 2013
ISBN: 978-1-4673-6475-1

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Terahertz Quantum Cascade Lasers and Frequency Comb based Techniques (WC3)

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T. -. Lin and H. Hirayama, "Operation Temperature and T0 Improvement of GaAs/AlGaAs THz QCL by Utilizing Higher Al Composition Barriers," in 2013 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2013), paper WC3_3.

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Abstract

The current earnest issue of THz QCLs is their limited T_max near 200K. Here we propose the process of operation temperature performance improvement by utilizing high Al composition in AlGaAs THz QCLs.

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