Self-guiding in two-dimensional photonic crystals.
TLDR
Dielectric periodic media can possess a complex photonic band structure with allowed bands displaying strong dispersion and anisotropy, and it is shown that for some frequencies the form of iso-frequency contours mimics theform of the first Brillouin zone of the crystal.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.read more
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Manipulating light with strongly modulated photonic crystals
TL;DR: In this paper, the authors describe the way in which strongly modulated photonic crystals differ from other optical media, and clarify what they can do, including light confinement, frequency dispersion and spatial dispersion.
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Light propagation and localization in modulated photonic lattices and waveguides
TL;DR: In this article, the authors review both theoretical and experimental advances in the recently emerged field of modulated photonic lattices and highlight a new type of modulation-induced light localization based on the defect-free surface waves.
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Light propagation and localization in modulated photonic lattices and waveguides
TL;DR: In this paper, the authors review both theoretical and experimental advances in the recently emerged physics of modulated photonic lattices, and show that the light propagation in periodic photonic structures resembles the motion of electrons in a crystalline lattice of semiconductor materials.
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Subwavelength imaging at optical frequencies using a transmission device formed by a periodic layered metal-dielectric structure operating in the canalization regime
Pavel A. Belov,Yang Hao +1 more
TL;DR: In this paper, the authors used a periodic metal-dielectric layered structure to achieve sub-wavelength resolution of /20 at 600 nm wavelength, which was confirmed by numerical simulation for a 300 nm thick structure.
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Canalization of subwavelength images by electromagnetic crystals
TL;DR: In this paper, an original regime of operation for flat superlenses formed by electromagnetic crystals is proposed, which does not involve negative refraction and amplification of evanescent waves in contrast to the perfect lenses formed by left-handed media.