High-Power Micro-Optical Bench Terahertz Quantum-Cascade Laser System

IEEE Transactions on Terahertz Science and Technology 2026

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Authors: R. Voigt, Martin Wienold, Xiang Lü, Lutz Schrottke, K. Biermann, Alexander Sahm, K. Paschke, H.-W. Hübers
DOI: 10.1109/tthz.2026.3660256
Cited by: 2
References: 31

Abstract

We report on compact high-power terahertz quantum-cascade laser systems. By integrating the optical components, namely a lens, a polarization filter and a$\lambda /4$waveplate, on a micro-optical bench, we achieve optical isolation as well as beamforming while maintaining high output power without the need of additional optical elements. In the future such QCL systems might be implemented as local oscillators in heterodyne receivers for space applications.

Fields of Study & Subjects

Spectroscopy and Laser Applications Semiconductor Lasers and Optical Devices Terahertz technology and applications

Publication details

Journal / source
IEEE Transactions on Terahertz Science and Technology
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Volume
16
Issue
4
Pages
482–486
Publication date
3 February 2026