Phase-locking to a free-space terahertz comb for metrological-grade terahertz lasers (Articolo in rivista)

Type
Label
  • Phase-locking to a free-space terahertz comb for metrological-grade terahertz lasers (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/ncomms2048 (literal)
Alternative label
  • Consolino, L.; Taschin, A.; Bartolini, P.; Bartalini, S.; Cancio, P.; Tredicucci, A.; Beere, H. E.; Ritchie, D. A.; Torre, R.; Vitiello, M. S.; De Natale, P. (2012)
    Phase-locking to a free-space terahertz comb for metrological-grade terahertz lasers
    in Nature communications
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Consolino, L.; Taschin, A.; Bartolini, P.; Bartalini, S.; Cancio, P.; Tredicucci, A.; Beere, H. E.; Ritchie, D. A.; Torre, R.; Vitiello, M. S.; De Natale, P. (literal)
Pagina inizio
  • 1040 (literal)
Pagina fine
  • 1040 (literal)
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  • 3 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • European Lab NonLinear Spect, LENS, I-50019 Sesto Fiorentino, FI, Italy CNR, Ist Nazl Ott, INO, I-50125 Florence, Italy Ist Nanosci CNR, NEST, I-56127 Pisa, Italy Scuola Normale Super Pisa, I-56127 Pisa, Italy Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England Univ Florence, Dipartimento Fis & Astron, I-50019 Florence, Italy (literal)
Titolo
  • Phase-locking to a free-space terahertz comb for metrological-grade terahertz lasers (literal)
Abstract
  • Optical frequency comb synthesizers have represented a revolutionary approach to frequency metrology, providing a grid of frequency references for any laser emitting within their spectral coverage. Extending the metrological features of optical frequency comb synthesizers to the terahertz domain would be a major breakthrough, due to the widespread range of accessible strategic applications and the availability of stable, high-power and widely tunable sources such as quantum cascade lasers. Here we demonstrate phase-locking of a 2.5 THz quantum cascade laser to a free-space comb, generated in a LiNbO3 waveguide and covering the 0.1-6 THz frequency range. We show that even a small fraction (< 100 nW) of the radiation emitted from the quantum cascade laser is sufficient to generate a beat note suitable for phase-locking to the comb, paving the way to novel metrological-grade terahertz applications, including high-resolution spectroscopy, manipulation of cold molecules, astronomy and telecommunications. (literal)
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