Geometric control of next-nearest-neighbor coupling in evanescently coupled dielectric waveguides.
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DOI: 10.1364/oe.447921
Abstract: We experimentally demonstrate that the next-nearest-neighbor-coupling (NNN-coupling) in an array of waveguides can naturally be negative. To do so, dielectric zig-zag shaped waveguide arrays are fabricated with direct laser writing (DLW). By changing the angle… read more here.
Keywords: next nearest; control next; geometric control; neighbor coupling ... See more keywords