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Proceedings Paper

Conformal transformation of photonic crystal structures
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Paper Abstract

In this paper we present an algorithm that maps a reference diffracting structure along an arbitrarily curved boundary. The proposed algorithm produces deformed photonic crystal lattice patches with minimal angular distortion of its unit cells, thus realizing a discrete quasi-conformal transformation of the dielectric map. We then investigate the field confinement characteristics of some curved waveguide devices realized by such structures.

Paper Details

Date Published: 21 February 2013
PDF: 9 pages
Proc. SPIE 8632, Photonic and Phononic Properties of Engineered Nanostructures III, 863210 (21 February 2013); doi: 10.1117/12.2002801
Show Author Affiliations
Marco Zocca, Delft Univ. of Technology (Netherlands)
Matthijs Langelaar, Delft Univ. of Technology (Netherlands)
Fred van Keulen, Delft Univ. of Technology (Netherlands)


Published in SPIE Proceedings Vol. 8632:
Photonic and Phononic Properties of Engineered Nanostructures III
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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