Journal
OPTICS EXPRESS
Volume 21, Issue 18, Pages 20831-20836Publisher
Optica Publishing Group
DOI: 10.1364/OE.21.020831
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Funding
- National Science Foundation [ECCS-0844908]
- Materials Research Science and Engineering Center program [DMR-1120923]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0844908] Funding Source: National Science Foundation
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Designing photonic crystal cavities with high quality factors and low mode volumes is of great importance for maximizing interactions of light and matter in metamaterials. Previous work on photonic crystal cavities has revealed dramatic improvements in performance by fine-tuning the device design. In L3 cavities, slight shifts of the holes on the edge of the cavity have been found to greatly increase quality factors without significantly altering the mode volume. Here we demonstrate utilizing a nature inspired search algorithm to efficiently explore a large parameter space. The results converge upon a new cavity model with a high quality factor to mode volume ratio (Q/V = 798,000 (lambda/n)(-3)). (C) 2013 Optical Society of America
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