Analysis of splitters for self-collimated beams in planar photonic crystals

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Abstract
In this paper, we present methods for beam splitting in a planar photonic crystal, where the light is self-guided as dictated by the self-collimation phenomenon. We present an analysis of a one-to-two and one-to-three beam splitter in a self-guiding photonic crystal lattice and validate our design and simulations with experimental results. Moreover, we present the first one-to-three splitter in a self-guiding planar photonic crystal. Additionally, we discuss the ability to tune the properties of these devices and present initial experimental results.

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