Simultaneous two-dimensional phononic and photonic band gaps in opto-mechanical crystal slabs | Zendy

Saeed Mohammadi | Zendy; Ali A. Eftekhar | Zendy; Abdelkrim Khelif | Zendy; Ali Adibi | Zendy

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Simultaneous two-dimensional phononic and photonic band gaps in opto-mechanical crystal slabs

Author(s) -

Saeed Mohammadi,

Ali A. Eftekhar,

Abdelkrim Khelif,

Ali Adibi

Publication year - 2010

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.18.009164

Subject(s) - photonic crystal , plane wave expansion method , materials science , band gap , hexagonal lattice , planar , optics , square lattice , hexagonal crystal system , silicon , acoustic metamaterials , yablonovite , square (algebra) , plane wave expansion , optoelectronics , photonic integrated circuit , condensed matter physics , physics , geometry , crystallography , chemistry , computer graphics (images) , antiferromagnetism , computer science , ising model , mathematics

We demonstrate planar structures that can provide simultaneous two-dimensional phononic and photonic band gaps in opto-mechanical (or phoxonic) crystal slabs. Different phoxonic crystal (PxC) structures, composed of square, hexagonal (honeycomb), or triangular arrays of void cylindrical holes embedded in silicon (Si) slabs with a finite thickness, are investigated. Photonic band gap (PtBG) maps and the complete phononic band gap (PnBG) maps of PxC slabs with different radii of the holes and thicknesses of the slabs are calculated using a three-dimensional plane wave expansion code. Simultaneous phononic and photonic band gaps with band gap to midgap ratios of more than 10% are shown to be readily obtainable with practical geometries in both square and hexagonal lattices, but not for the triangular lattice.

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