DFB interband cascade lasers for tunable laser absorption spectroscopy from 3 to 6 µm

M. von Edlinger; J. Scheuermann; L. Nähle; C. Zimmermann; L. Hildebrandt; M. Fischer; J. Koeth; R. Weih; S. Höfling; M. Kamp

doi:10.1117/12.2039734

31 January 2014 DFB interband cascade lasers for tunable laser absorption spectroscopy from 3 to 6 μm

M. von Edlinger, J. Scheuermann, L. Nähle, C. Zimmermann, L. Hildebrandt, M. Fischer, J. Koeth, R. Weih, S. Höfling, M. Kamp

Author Affiliations +

Proceedings Volume 8993, Quantum Sensing and Nanophotonic Devices XI; 899318 (2014) https://doi.org/10.1117/12.2039734
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Tunable Laser Absorption Spectroscopy in the mid-infrared wavelength region, especially between 3 and 6 µm, is of great interest for high performance gas sensing applications. Interband Cascade Lasers can provide monomode continuous wave (cw) emission above room temperature in this wavelength range. We present the simulation, design and manufacturing of application-grade distributed feedback laser devices based on this concept. The fabricated devices successfully target specific, technologically relevant, wavelengths in cw operation above room temperature with low energy consumption. Output powers above 5 mW, high Side Mode Suppression Ratio around 30 dB and tuning ranges of up to13 nm were achieved.

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M. von Edlinger, J. Scheuermann, L. Nähle, C. Zimmermann, L. Hildebrandt, M. Fischer, J. Koeth, R. Weih, S. Höfling, and M. Kamp "DFB interband cascade lasers for tunable laser absorption spectroscopy from 3 to 6 μm", Proc. SPIE 8993, Quantum Sensing and Nanophotonic Devices XI, 899318 (31 January 2014); https://doi.org/10.1117/12.2039734

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