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Quantum cascade lasers

Entering the mid-infrared

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The unique structure and properties of the quantum cascade laser have enabled scientists to gain access to a valuable region of the electromagnetic spectrum — the mid-infrared.

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Figure 1: Commercial QCL housing with window and internal thermoelectric cooling, for pulsed laser.

ALPES LASERS SA

Figure 2: Turnkey continuous-wave, MIR sources such as this one are now available commercially.

PRANALYTICA

Figure 3

DAYLIGHT SOLUTIONS

Figure 4: Monitoring of CO2 concentration over nine months, using a commercial QCL multipass cell system from Alpes Lasers.

AERODYNE RESEARCH

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Authors and Affiliations

  1. ETHZ, Institute for Quantum Electronics (IQE) Wolfgang-Pauli-Strasse 16, Zürich, 8093, Switzerland

    Yargo Bonetti & Jérôme Faist

  2. Alpes Lasers, 1-3 passage Maximilien-de-Meuron, CP 1766, Neuchâtel, CH-2001, Switzerland

    Jérôme Faist

Authors
  1. Yargo Bonetti
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  2. Jérôme Faist
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Bonetti, Y., Faist, J. Entering the mid-infrared. Nature Photon 3, 32–34 (2009). https://doi.org/10.1038/nphoton.2008.268

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  • DOI: https://doi.org/10.1038/nphoton.2008.268

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