Influence of asymmetry on the band structure of photonic crystals

Seyed Hessam Moosavi Mehr; Sina Khorasani

doi:10.1117/12.839839

24 February 2010 Influence of asymmetry on the band structure of photonic crystals

Seyed Hessam Moosavi Mehr, Sina Khorasani

Proceedings Volume 7609, Photonic and Phononic Crystal Materials and Devices X; 76091G (2010) https://doi.org/10.1117/12.839839
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

Computer calculation of photonic band structure for unit cells of various symmetry in the two-dimensional square lattice suggests that the bandgap calculated by traversing the ΓXM triangle in k-space is only reliable when the unit cell is C_4v symmetric. For structures of lower symmetry, examining a two-dimensional subset of the first Brillouin zone will give smaller bandgaps.

Citation Download Citation

Seyed Hessam Moosavi Mehr and Sina Khorasani "Influence of asymmetry on the band structure of photonic crystals", Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 76091G (24 February 2010); https://doi.org/10.1117/12.839839

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