Self-guiding in two-dimensional photonic crystals
Top Cited Papers
- 19 May 2003
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 11 (10) , 1203-1211
- https://doi.org/10.1364/oe.11.001203
Abstract
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.Keywords
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