Conformal transformation of photonic crystal structures

Marco Zocca; Matthijs Langelaar; Fred van Keulen

doi:10.1117/12.2002801

21 February 2013 Conformal transformation of photonic crystal structures

Marco Zocca, Matthijs Langelaar, Fred van Keulen

Proceedings Volume 8632, Photonic and Phononic Properties of Engineered Nanostructures III; 863210 (2013) https://doi.org/10.1117/12.2002801
Event: SPIE OPTO, 2013, San Francisco, California, United States

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.

Citation Download Citation

Marco Zocca, Matthijs Langelaar, and Fred van Keulen "Conformal transformation of photonic crystal structures", Proc. SPIE 8632, Photonic and Phononic Properties of Engineered Nanostructures III, 863210 (21 February 2013); https://doi.org/10.1117/12.2002801

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