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Quantum-cascade Laser Frequency Combs and Their Application to Dual-comb Spectroscopy

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Abstract

By exploiting the broad gain curve of quantum cascade laser active regions and by a suitable dispersion engineering, optical frequency combs that combine high power (up to a watt) and broad coverage (>100cm-1) can be achieved. We also demonstrate that these devices can be used as their own detectors, simplifying radically a potential sensing system.

© 2016 Optical Society of America

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