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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 9 — May. 1, 2012
  • pp: 1424–1426

Design and fabrication of rod-type two-dimensional photonic crystal slabs with large high-order bandgaps in near-infrared wavelengths

Liyong Jiang, Wei Jia, Gaige Zheng, and Xiangyin Li  »View Author Affiliations


Optics Letters, Vol. 37, Issue 9, pp. 1424-1426 (2012)
http://dx.doi.org/10.1364/OL.37.001424


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Abstract

We proposed a novel two-dimensional photonic crystal slab comprised of a number of silicon rods with different radii and locations in the square-lattice unit cell pattern. Such rod-type photonic crystal slabs were automatically optimized by the genetic algorithm and fabricated on the silicon-on-insulator wafer. In particular, the measured transmission spectra of the five-rods sample have shown a large accepted high-order bandgap between 1498 and 1648 nm (gap size is 9.54%). Based on the theories of multiple Bragg and Mie scattering effects, we have given a reasonable explanation to the large high-order bandgaps found in the present study.

© 2012 Optical Society of America

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(160.5293) Materials : Photonic bandgap materials
(160.5298) Materials : Photonic crystals

ToC Category:
Materials

History
Original Manuscript: December 2, 2011
Revised Manuscript: March 2, 2012
Manuscript Accepted: March 5, 2012
Published: April 19, 2012

Citation
Liyong Jiang, Wei Jia, Gaige Zheng, and Xiangyin Li, "Design and fabrication of rod-type two-dimensional photonic crystal slabs with large high-order bandgaps in near-infrared wavelengths," Opt. Lett. 37, 1424-1426 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-9-1424

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