Photonic Band Gaps in 3D Network Structures with Short-range Order

Details Photonic Band Gaps in 3D Network Structures with Short-range Order Photonic Band Gaps in 3D Network Structures with Short-range Order

2011-08-04

arxiv.org/abs/1108.1090v1

Physics

Optics

6 pages, 8 figures

Scientific paper

We present a systematic study of photonic band gaps (PBGs) in three-dimensional (3D) photonic amorphous structures (PAS) with short-range order. From calculations of the density of optical states (DOS) for PAS with different topologies, we find that tetrahedrally connected dielectric networks produce the largest isotropic PBGs. Local uniformity and tetrahedral order are essential to the formation of PBGs in PAS, in addition to short-range geometric order. This work demonstrates that it is possible to create broad, isotropic PBGs for vector light fields in 3D PAS without long-range order.

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