From zero-average index metamaterials to zero-dispersion curvature photonic crystal superlattices for self-collimation of light

Julien Arlandis; Emmanuel Centeno; Rémi Pollès; Antoine Moreau

doi:10.1117/12.922223

25 April 2012 From zero-average index metamaterials to zero-dispersion curvature photonic crystal superlattices for self-collimation of light

Julien Arlandis, Emmanuel Centeno, Rémi Pollès, Antoine Moreau

Author Affiliations +

Proceedings Volume 8425, Photonic Crystal Materials and Devices X; 842510 (2012) https://doi.org/10.1117/12.922223
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Zero-average index metamaterials and photonic crystal superlattices are well known for presenting uncommon properties such as a new forbidden band for photons and self-collimation effect. In this work, we show how these two approaches can be combined to finely control beam propagation and we develop a theory that provides a comprehensive understanding of these phenomenon. We show that the curvature of the dispersion relation plays a crucial role to cancel light diffraction. This concept leads to the design of PhC superlattices with a very low filling factor in air and presenting a slow light regime. The frequency selectivity of the self-collimation effect is in addition shown to be increased by 10 or 50 compared to common 2D photonic crystal devices.

Citation Download Citation

Julien Arlandis, Emmanuel Centeno, Rémi Pollès, and Antoine Moreau "From zero-average index metamaterials to zero-dispersion curvature photonic crystal superlattices for self-collimation of light", Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 842510 (25 April 2012); https://doi.org/10.1117/12.922223

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