Resonant second-harmonic generation in a GaAs photonic crystal waveguide. (Articolo in rivista)

Type
Label
  • Resonant second-harmonic generation in a GaAs photonic crystal waveguide. (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Malvezzi AM, Vecchi G, Patrini M, Guizzetti G, Andreani LC, Romanato F, Businaro L, Di Fabrizio E, Passaseo A, De Vittorio M (2003)
    Resonant second-harmonic generation in a GaAs photonic crystal waveguide.
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Malvezzi AM, Vecchi G, Patrini M, Guizzetti G, Andreani LC, Romanato F, Businaro L, Di Fabrizio E, Passaseo A, De Vittorio M (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 68 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Pavia, INFM, Univ Pavia, Dipartimento Elettron, Univ Pavia, Dipartimento Fis A Volta, 4. TASC, NNL, INFM, ELETTRA Synchrotron Light Source, NNL, INFM, Lecce, 6. Univ Lecce, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy (literal)
Titolo
  • Resonant second-harmonic generation in a GaAs photonic crystal waveguide. (literal)
Abstract
  • Second-harmonic generation (SHG) measurements in reflection on a GaAs/Al0.25Ga0.75As photonic crystal waveguide show a resonant enhancement when the pump beam is frequency and momentum matched with the photonic modes in the slab. The enhanced SH signal is observed in the form of resonant peaks, unlike in linear reflectance spectra. The observations are in very good agreement with a full 3D calculation of the anisotropic mode dispersion in the photonic crystal slab. The present results open the way towards realizing the extraordinary enhancement of SHG which was recently predicted [A. R. Cowan and J. F. Young, Phys. Rev. B 65, 085106 (2002)], and also demonstrate the potential of SHG as a nonlinear spectroscopic tool for optical studies of photonic crystals (literal)
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