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Phys. Rev. E 73, 036603 (2006) [4 pages]

Large enhancement of interface second-harmonic generation near the zero-[overline n] gap of a negative-index Bragg grating

Giuseppe D'Aguanno,1,2 Nadia Mattiucci,2,3 Mark J. Bloemer,1 and Michael Scalora1
1Charles M. Bowden Research Center, RDECOM Building 7804, Redstone Arsenal, Alabama 35898-5000, USA
2Time Domain Corporation, Cummings Research Park, 7057 Old Madison Pike, Huntsville, Alabama 35806, USA
3Dipartimento di Fisica "E. Amaldi," Università "RomaTre," Via Della Vasca Navale 84, I-00146 Rome, Italy

Received 19 August 2005; revised 29 December 2005; published 6 March 2006

We predict a large enhancement of interface second-harmonic generation near the zero-[overline n] gap of a Bragg grating made of alternating layers of negative- and positive-index materials. Field localization and coherent oscillations of the nonlinear dipoles located at the structure's interfaces conspire to yield conversion efficiencies at least an order of magnitude greater than those achievable in the same length of nonlinear, phase-matched bulk material. These findings thus point to a new class of second-harmonic-generation devices made of standard centrosymmetric materials.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevE.73.036603
DOI: 10.1103/PhysRevE.73.036603
PACS: 42.70.Qs; 42.65.Ky; 42.79.Dj; 78.20.Ci
  • 42.70.Qs
    Photonic bandgap materials
  • 42.65.Ky
    Optical frequency conversion; optical harmonic generation, including higher-order harmonic generation
  • 42.79.Dj
    Gratings
  • 78.20.Ci
    Optical constants including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity
  • YEAR: 2006
KEYWORDS: optical harmonic generation, Bragg gratings, optical materials

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