Arbitrary angle waveguiding applications of two-dimensional curvilinear-lattice photonic crystals

Zarbakhsh, Javad; Hagmann, Frank; Mingaleev, Sergel F.; Busch, Kurt; Hingeri, Kurt
June 2004
Applied Physics Letters;6/7/2004, Vol. 84 Issue 23, p4687
Academic Journal
We introduce a fresh class of photonic band-gap materials, curvilinear-lattice photonic crystals, whose distinctive feature is that their individual scatterers are arranged in a curvilinear lattice. We show that adhering to some restrictions in the acceptable lattice transformations, one can achieve omnidirectional photonic band gaps for an entire subclass of such structures. We demonstrate, designing an efficient arbitrary-angle waveguide bend, that curvilinear-lattice photonic crystals can be employed for creation of original types of nanophotonic devices. © 2004 American Institute of Physics.


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