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Beam splitter and combiner based on Bloch oscillations in spatially modulated waveguide arrays (1412.3272v1)
Published 10 Dec 2014 in physics.optics
Abstract: We numerically investigate the light beam propagation in periodic waveguide arrays which are elaborately modulated with certain structures. We find that the light beam may split, coalesce, deflect, and be localized during propagation in these spatially modulated waveguide arrays. All the phenomena originate from Bloch oscillations, and supply possible method for fabricating on-chip beam splitters and beam combiners.
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