Quantum cascade lasers, systems, and applications in Europe

Armin Lambrecht

doi:10.1117/12.606470

25 March 2005 Quantum cascade lasers, systems, and applications in Europe

Armin Lambrecht

Proceedings Volume 5732, Quantum Sensing and Nanophotonic Devices II; (2005) https://doi.org/10.1117/12.606470
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

Since the invention of the Quantum Cascade Laser (QCL) a decade ago an impressive progress has been achieved from first low temperature pulsed laser emission to continuous wave operation at room temperature. Distributed feedback (DFB) lasers working in pulsed mode at ambient temperatures and covering a broad spectral range in the mid infrared (MIR) are commercially available now. For many industrial applications e.g. automotive exhaust control and process monitoring, laser spectroscopy is an established technique, generally using near infrared (NIR) diode lasers. However, the mid infrared (MIR) spectral region is of special interest because of much stronger absorption lines compared to NIR. The status of QCL devices, system development and applications is reviewed. Special emphasis is given to the situation in Europe where a remarkable growth of QCL related R&D can be observed.

Citation Download Citation

Armin Lambrecht "Quantum cascade lasers, systems, and applications in Europe", Proc. SPIE 5732, Quantum Sensing and Nanophotonic Devices II, (25 March 2005); https://doi.org/10.1117/12.606470

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