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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 9 — Apr. 28, 2008
  • pp: 6579–6585

Photonic crystal alloys: a new twist in controlling photonic band structure properties

Hee Jin Kim, Dong-Uk Kim, Young-Geun Roh, Jaejun Yu, Heonsu Jeon, and Q-Han Park  »View Author Affiliations

Optics Express, Vol. 16, Issue 9, pp. 6579-6585 (2008)

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We identified new photonic structures and phenomenon that are analogous to alloy crystals and the associated electronic bandgap engineering. From a set of diamond-lattice microwave photonic crystals of randomly mixed silica and alumina spheres but with a well defined mixing composition, we observed that both bandedges of the L-point bandgap monotonically shifted with very little bowing as the composition was varied. The observed results were in excellent agreement with the virtual crystal approximation theory originally developed for electronic properties of alloy crystals. This result signifies the similarity and correspondence between photonics and electronics.

© 2008 Optical Society of America

OCIS Codes
(160.5293) Materials : Photonic bandgap materials
(160.5298) Materials : Photonic crystals

ToC Category:
Photonic Crystals

Original Manuscript: February 14, 2008
Revised Manuscript: April 20, 2008
Manuscript Accepted: April 22, 2008
Published: April 24, 2008

Hee J. Kim, Dong-Uk Kim, Young-Geun Roh, Jaejun Yu, Heonsu Jeon, and Q-Han Park, "Photonic crystal alloys: a new twist in controlling photonic band structure properties," Opt. Express 16, 6579-6585 (2008)

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