Complete Band Gaps in 2D Photonic Quasicrystals

Details Complete Band Gaps in 2D Photonic Quasicrystals Complete Band Gaps in 2D Photonic Quasicrystals

2010-07-21

arxiv.org/abs/1007.3555v1

M. Florescu, S. Torquato, and P. J. Steinhardt, Phys. Rev. B 80, 155112 (2009)

Physics

Optics

8 pages, 8 figures

Scientific paper

10.1103/PhysRevB.80.155112

We introduce a novel optimization method to design the first examples of photonic quasicrystals with substantial, complete photonic band gaps (PBGs): that is, a range of frequencies over which electromagnetic wave propagation is forbidden for all directions and polarizations. The method can be applied to photonic quasicrystals with arbitrary rotational symmetry; here, we illustrate the results for 5- and 8-fold symmetric quasicrystals. The optimized band gaps are highly isotropic, which may offer advantages over photonic crystals for certain applications.

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