Self-guiding in two-dimensional photonic crystals | Zendy

Dmitry N. Chigrin | Zendy; Stéfan Enoch | Zendy; C. M. Sotomayor Torres | Zendy; Gérard Tayeb | Zendy

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Self-guiding in two-dimensional photonic crystals

Author(s) -

Dmitry N. Chigrin,

Stéfan Enoch,

C. M. Sotomayor Torres,

Gérard Tayeb

Publication year - 2003

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.001203

Subject(s) - optics , photonic crystal , brillouin zone , dispersion (optics) , diffraction , light beam , curvature , anisotropy , negative refraction , beam (structure) , refractive index , physics , materials science , geometry , mathematics

Dielectric periodic media can possess a complex photonic band structure with allowed bands displaying strong dispersion and anisotropy. We show that for some frequencies the form of iso-frequency contours mimics the form of the first Brillouin zone of the crystal. A wide angular range of flat dispersion exists for such frequencies. The regions of iso-frequency contours with near-zero curvature cancel out diffraction of the light beam, leading to a self-guided beam.

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