Omnidirectional phase matching of arbitrary processes by radial quasi-periodic nonlinear photonic crystal | Zendy

Noa VolochBloch | Zendy; Tomer Davidovich | Zendy; Tal Ellenbogen | Zendy; Ayelet Ganany-Padowicz | Zendy; Ady Arie | Zendy

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Omnidirectional phase matching of arbitrary processes by radial quasi-periodic nonlinear photonic crystal

Author(s) -

Noa VolochBloch,

Tomer Davidovich,

Tal Ellenbogen,

Ayelet Ganany-Padowicz,

Ady Arie

Publication year - 2010

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.35.002499

Subject(s) - optics , phase matching , photonic crystal , omnidirectional antenna , nonlinear optics , nonlinear system , phase (matter) , nonlinear photonic crystal , physics , refractive index , computer science , telecommunications , laser , antenna (radio) , quantum mechanics

We investigate second-harmonic generation in a nonlinear photonic crystal having radial quasi-periodic order and continuous rotational symmetry. This device enables us to simultaneously phase match different nonlinear interactions in any arbitrary direction of propagation. We have fabricated such a crystal by electric field poling of a magnesium-doped stoichiometric LiTaO(3) and demonstrated frequency doubling of two different pump wavelengths at three different angles. Fourier coefficients were 10 times higher than that of a lattice-based multidirectional frequency doubler.

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