Wavelength tuning and thermal dynamics of continuous-wave mid-infrared distributed feedback quantum cascade lasers (Articolo in rivista)

Type
Label
  • Wavelength tuning and thermal dynamics of continuous-wave mid-infrared distributed feedback quantum cascade lasers (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4813753 (literal)
Alternative label
  • Tombez, Lionel; Cappelli, Francesco; Schilt, Stephane; Di Domenico, Gianni; Bartalini, Saverio; Hofstetter, Daniel (2013)
    Wavelength tuning and thermal dynamics of continuous-wave mid-infrared distributed feedback quantum cascade lasers
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tombez, Lionel; Cappelli, Francesco; Schilt, Stephane; Di Domenico, Gianni; Bartalini, Saverio; Hofstetter, Daniel (literal)
Pagina inizio
  • 031111 (literal)
Pagina fine
  • 031111 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84881506618&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 103 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Laboratoire Temps-Fréquence, Institut de Physique, Université de Neuchâtel, Avenue de Bellevaux 51, CH-2000 Neuchâtel, Switzerland; CNR-INO, Istituto Nazionale di Ottica and LENS, European Laboratory for Nonlinear Spectroscopy, Via Carrara 1, 50019 Sesto Fiorentino FI, Italy (literal)
Titolo
  • Wavelength tuning and thermal dynamics of continuous-wave mid-infrared distributed feedback quantum cascade lasers (literal)
Abstract
  • We report on the wavelength tuning dynamics in continuous-wave distributed feedback quantum cascade lasers (QCLs). The wavelength tuning response for direct current modulation of two mid-IR QCLs from different suppliers was measured from 10 Hz up to several MHz using ro-vibrational molecular resonances as frequency-to-intensity converters. Unlike the output intensity, which can be modulated up to several gigahertz, the frequency-modulation bandwidth was found to be on the order of 200 kHz, limited by the laser thermal dynamics. A non-negligible roll-off and a significant phase shift are observed above a few hundred hertz already and explained by a thermal model. (C) 2013 AIP Publishing LLC. (literal)
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