Coupling external cavity mid-IR quantum cascade lasers with low loss hollow metallic/dielectric waveguides (Articolo in rivista)

Type
Label
  • Coupling external cavity mid-IR quantum cascade lasers with low loss hollow metallic/dielectric waveguides (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00340-012-4891-2 (literal)
Alternative label
  • Patimisco, P.; Spagnolo, V.; Vitiello, M. S.; Tredicucci, A.; Scamarcio, G.; Bledt, C. M.; Harrington, J. A. (2012)
    Coupling external cavity mid-IR quantum cascade lasers with low loss hollow metallic/dielectric waveguides
    in Applied physics. B, Lasers and optics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Patimisco, P.; Spagnolo, V.; Vitiello, M. S.; Tredicucci, A.; Scamarcio, G.; Bledt, C. M.; Harrington, J. A. (literal)
Pagina inizio
  • 255 (literal)
Pagina fine
  • 260 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 108 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Bari, CNR IFN, I-70126 Bari, Italy Univ Bari, Dipartimento Interateneo Fis, I-70126 Bari, Italy Politecn Bari, I-70126 Bari, Italy CNR, Ist Nazl Fis Applicata Nello Carrara, I-50019 Sesto Fiorentino, Italy CNR, NEST, Ist Nanosci, I-56127 Pisa, Italy Scuola Normale Super Pisa, I-56127 Pisa, Italy Rutgers State Univ, Dept Mat Sci & Engn, Piscataway, NJ 08855 USA (literal)
Titolo
  • Coupling external cavity mid-IR quantum cascade lasers with low loss hollow metallic/dielectric waveguides (literal)
Abstract
  • We report on the optical coupling between hollow core waveguides and external cavity mid-IR quantum cascade lasers (QCLs). Waveguides with 1000 mu m bore size and lengths ranging from 2 to 14 cm, with metallic (Ag)/dielectric (AgI or polystyrene) circular cross-section internal coatings, have been employed. Our results show that the QCL mode is perfectly matched to the hybrid HE11 waveguide mode, demonstrating that the internal dielectric coating thickness is effective to suppress the higher losses TE-like modes. Optical losses down to 0.44 dB/m at 5.27 mu m were measured in Ag/polystyrene-coated waveguide with an almost unitary coupling efficiency. (literal)
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