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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 8 — Aug. 1, 2006
  • pp: 1708–1711

Holographic design of a two-dimensional photonic crystal of square lattice with a large two-dimensional complete bandgap

L. Z. Cai, G. Y. Dong, C. S. Feng, X. L. Yang, X. X. Shen, and X. F. Meng  »View Author Affiliations


JOSA B, Vol. 23, Issue 8, pp. 1708-1711 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001708


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Abstract

Theoretical analysis has shown that a two-dimensional (2D) lattice with circular columns connected by veins can produce a large complete bandgap when the radius of the columns and the width of the veins are properly chosen. We propose a holographic method to fabricate a similar 2D structure of irregular columns that can yield a 2D complete bandgap for a wide range of dielectric contrasts and a bandgap as large as 15.0% for ϵ = 11.4 and 15.8% for ϵ = 13.6 . The specific problems of interference beam design, intensity threshold selection, and the effect of the shape and size of the unit cells on the final bandgap are discussed. This analysis demonstrates the unique features and advantages of the holographic method in bandgap engineering and gives a guideline for practical fabrication.

© 2006 Optical Society of America

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(260.2110) Physical optics : Electromagnetic optics
(260.3160) Physical optics : Interference
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Photonic Crystals

History
Original Manuscript: November 10, 2005
Revised Manuscript: March 2, 2006
Manuscript Accepted: March 10, 2006

Citation
L. Z. Cai, G. Y. Dong, C. S. Feng, X. L. Yang, X. X. Shen, and X. F. Meng, "Holographic design of a two-dimensional photonic crystal of square lattice with a large two-dimensional complete bandgap," J. Opt. Soc. Am. B 23, 1708-1711 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-8-1708

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