Monomode Interband Cascade Lasers at 5.2 \mu for Nitric Oxide Sensing

We demonstrate application-grade monomode distributed feedback (DFB) laser devices with emission wavelength around 5.2 μm; suitable for nitric oxide sensing. The devices are based on interband cascade laser material that enables continuous wave operation in the midinfrared spectral region when mount...

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Bibliographic Details
Published in:IEEE photonics technology letters 2014-03, Vol.26 (5), p.480-482
Main Authors: von Edlinger, Michael, Scheuermann, Julian, Weih, Robert, Zimmermann, Christian, Nahle, Lars, Fischer, Marc, Koeth, Johannes, Hofling, Sven, Kamp, Martin
Format: Article
Language:English
Subjects:
Absorption
Distributed feedback (DFB) laser
Distributed feedback devices
Gratings
interband cascade laser (ICL)
Laser feedback
Laser modes
Materials
midinfrared
nitric oxide (NO) sensing
Quantum cascade lasers
semiconductor laser
tunable laser absorption spectroscopy (TLAS)
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Summary:We demonstrate application-grade monomode distributed feedback (DFB) laser devices with emission wavelength around 5.2 μm; suitable for nitric oxide sensing. The devices are based on interband cascade laser material that enables continuous wave operation in the midinfrared spectral region when mounted on a standard thermoelectrically cooled TO-style header. With etched vertical sidewall DFB gratings as wavelength selective elements, signal to noise ratios around 30 dB and typical tuning ranges greater than 12 nm were achieved, making the devices suitable for applications based on tunable laser absorption spectroscopy.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2013.2297447