Generation of tunable far-infrared radiation with a quantum cascade laser

Year: 2002

Authors: Gagliardi G., Viciani S., Inguscio M., De Natale P., Gmachl C., Capasso F., Sivco D.L., Baillargeon J.N., Hutchinson A.L., Cho A.Y.

Autors Affiliation: European Laboratory for Non-Linear Spectroscopy and Istituto Nazionale per la Fisica della Materia, University of Florence, Largo E. Fermi 2, 50125 Florence, Italy; Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy; Bell Laboratories, Lucent Technologies, 600 Mountain Avenue, Murray Hill, New Jersey 07974

Abstract: We demonstrate the generation of cw tunable far-infrared radiation by mixing a quantum cascade laser and a CO2 laser in a W-Ni metal-insulator-metal diode. The first known spectroscopic application to the recording of an H Br-79 transition near 4.47 THz is reported. (C) 2002 Optical Society of America.

Journal/Review: OPTICS LETTERS

Volume: 27( 7)      Pages from: 521  to: 523

KeyWords: Carbon dioxide lasers; Frequencies; Infrared radiation; Semiconductor diodes; Signal to noise ratio, Quantum cascade lasers (QCL), Continuous wave lasers
DOI: 10.1364/OL.27.000521

Citations: 4
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