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- Title
High-Q Defect-Free 2D Photonic Crystal Cavity from Random Localised Disorder.
- Authors
Chung, Kelvin; Karle, Timothy J.; Rajasekharan, Ranjith; de Sterke, C. Martijn; Tomljenovic-Hanic, Snjezana
- Abstract
We propose a high-Q photonic crystal cavity formed by introducing random disorder to the central region of an otherwise defect-free photonic crystal slab (PhC). Three-dimensional finite-difference time-domain simulations determine the frequency, quality factor, Q, and modal volume, V, of the localized modes formed by the disorder. Relatively large Purcell factors of 500-800 are calculated for these cavities, which can be achieved for a large range of degrees of disorders.
- Subjects
PHOTONIC crystals; ORDER-disorder transitions; THREE-dimensional display systems; FINITE difference method; TIME-domain analysis; SIMULATION methods &; models
- Publication
Crystals (2073-4352), 2014, Vol 4, Issue 3, p342
- ISSN
2073-4352
- Publication type
Article
- DOI
10.3390/cryst4030342