Physics and applications of photonic crystals

Date
2004
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Source Title
Photonics and Nanostructures - Fundamentals and Applications
Print ISSN
1569-4410
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Publisher
Nanotechnology Research Center NANOTAM
Volume
2
Issue
2
Pages
87 - 95
Language
English
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Abstract

In this article, we investigate how the photonic band gaps and the variety of band dispersions of photonic crystals can be utilized for various applications and how they further give rise to completely novel optical phenomena. The enhancement of spontaneous emission through coupled cavity waveguides in a one-dimensional silicon nitride photonic microcrystal is investigated. We then present the highly directive radiation from sources embedded in two-dimensional photonic crystals. The manifestation of novel and intriguing optical properties of photonic crystals are exemplified experimentally by the negative refraction and the focusing of electromagnetic waves through a photonic crystal slab with subwavelength resolution. © 2004 Elsevier B.V. All rights reserved.

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