Dynamics of short pulses and phase matched second harmonic generation in negative index materials | Zendy

M. Scalora | Zendy; Giuseppe D’Aguanno | Zendy; Mark J. Bloemer | Zendy; Marco Centini | Zendy; Domenico de Ceglia | Zendy; Nadia Mattiucci | Zendy; Yuri S. Kivshar | Zendy

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Dynamics of short pulses and phase matched second harmonic generation in negative index materials

Author(s) -

M. Scalora,

Giuseppe D’Aguanno,

Mark J. Bloemer,

Marco Centini,

Domenico de Ceglia,

Nadia Mattiucci,

Yuri S. Kivshar

Publication year - 2006

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.004746

Subject(s) - optics , attenuation , refractive index , harmonic , second harmonic generation , physics , signal (programming language) , phase (matter) , nonlinear optics , range (aeronautics) , absorption (acoustics) , high harmonic generation , attenuation coefficient , materials science , laser , acoustics , quantum mechanics , computer science , composite material , programming language

We study pulsed second harmonic generation in metamaterials under conditions of significant absorption. Tuning the pump in the negative index range, a second harmonic signal is generated in the positive index region, such that the respective indices of refraction have the same magnitudes but opposite signs. This insures that a forward-propagating pump is exactly phase matched to the backward-propagating second harmonic signal. Using peak intensities of ~500 MW/cm(2), assuming chi((2))~80pm/V, we predict conversion efficiencies of 12% and 0.2% for attenuation lengths of 50 and 5microm, respectively.

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