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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 18 — Sep. 9, 2013
  • pp: 20831–20836

Optimizing nanophotonic cavity designs with the gravitational search algorithm

Timothy W. Saucer and Vanessa Sih  »View Author Affiliations

Optics Express, Vol. 21, Issue 18, pp. 20831-20836 (2013)

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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 (λ/n)−3).

© 2013 OSA

OCIS Codes
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

Original Manuscript: May 14, 2013
Revised Manuscript: August 17, 2013
Manuscript Accepted: August 17, 2013
Published: August 29, 2013

Timothy W. Saucer and Vanessa Sih, "Optimizing nanophotonic cavity designs with the gravitational search algorithm," Opt. Express 21, 20831-20836 (2013)

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