Scientific Results

The intrinsic linewidth of a THz quantum cascade laser

Year: 2012

Authors: Vitiello M.S., Consolino L., Bartalini S., Taschin A., Tredicucci A., Inguscio M., De Natale P.

Autors Affiliation: CNR, Istituto Nazionale di Ottica, LENS, Via Carrara 1, 50019 Sesto Fiorentino, Italy; NEST, Istituto Nanoscienze, Scuola Normale Superiore, 56126 Pisa, Italy; Dipartimento di Fisica e Astronomia, Universita Degli Studi di Firenze, Via Carrara 1, 50019 Sesto Fiorentino (FI), Italy

Abstract: We report experimental evidence of intrinsic linewidth values approaching the quantum limit in far-infrared quantum cascade lasers through the measurement of their frequency-noise power spectral density and a thorough investigation of the physics behind it. © 2012 IEEE.

Conference title: 37th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2012;

More Information: Sponsors: Office of Naval Research Science and Technology; UOW Engineering, School of Engineering Physics; Centre for Ultrahigh bandwidth Devices for Optical Systems; Edinburgh Photonics; TYDEX
KeyWords: Experimental evidence; Far-infrared; Quantum limit; THz quantum cascade lasers, Power spectral density; Quantum cascade lasers; Terahertz waves, Lasers
DOI: 10.1109/IRMMW-THz.2012.6380287

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