Scientific Results

Quantum cascade lasers: a versatile source for precise measurements in the mid/far-infrared range

Year: 2014

Authors: Bartalini S., Vitiello M. S., De Natale P.

Autors Affiliation: INO, CNR-Istituto Nazionale di Ottica, Largo E Fermi 6, 50125 Firenze, Italy;
LENS, European Laboratory for Non-linear Spectroscopy, Via N Carrara 1-50019 Sesto Fiorentino (Firenze), Italy;
NEST, CNR–Istituto Nanoscienze and Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy

Abstract: We provide an overview of recent developments of quantum cascade lasers (QCLs), from the mid-infrared (mid-IR) to the far-IR (THz) range, with a special focus on their metrological-grade applications in a number of fields. A special emphasis on the physics of the QCLs allows underlining peculiar effects and device features recently unveiled that pave the way to novel demanding photonics applications.

Journal/Review: MEASUREMENT SCIENCE & TECHNOLOGY

Volume: 25 (1)      Pages from: 012001  to: 012001

More Information: This work was partly supported by the Italian Ministry of Education, University, and Research (MIUR) through the program \’FIRB-Futuro in Ricerca 2010\’ RBFR10LULP \’Fundamental research on terahertz photonic devices\’.
KeyWords: Stabilization of laser phase/frequency; Infrared devices; Molecular spectroscopy; Semiconductor lasers; Terahertz spectroscopy, Frequency noise; Mid infrared (mid IR); Midinfrared; Photonics applications; Precise measurements; Quantum cascade lasers (QCLs), Quantum cascade lasers
DOI: 10.1088/0957-0233/25/1/012001

Citations: 21
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English