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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2788–2790

Improved fake mode free plane wave expansion method

Bin Jiang, Wenjun Zhou, Wei Chen, Anjin Liu, and Wanhua Zheng  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2788-2790 (2011)
http://dx.doi.org/10.1364/OL.36.002788


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Abstract

We analyze the origin of the fake modes introduced by the plane wave expansion method with three-dimension (3D) supercell approximation. Through the detailed analysis of the energy distribution of fake modes and real modes, we propose the plane wave expansion–three planar-slab waveguides method to remove the fake modes and obtain the fake mode free band structure of a two-dimensional air hole photonic crystal slab. To the best of our knowledge, this is the first time that such a fake mode free photonic crystal band structure is presented. Our method is also definitely useful in designing other 3D devices.

© 2011 Optical Society of America

OCIS Codes
(160.5293) Materials : Photonic bandgap materials
(050.5298) Diffraction and gratings : Photonic crystals
(160.5298) Materials : Photonic crystals

ToC Category:
Materials

History
Original Manuscript: December 3, 2010
Revised Manuscript: March 30, 2011
Manuscript Accepted: April 13, 2011
Published: July 20, 2011

Citation
Bin Jiang, Wenjun Zhou, Wei Chen, Anjin Liu, and Wanhua Zheng, "Improved fake mode free plane wave expansion method," Opt. Lett. 36, 2788-2790 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2788

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