학술논문
Electro-optical tunable filter
Document Type
Patent
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Abstract
An optical filter comprises a light waveguide and an electrode structure located adjacent the waveguide. The electrode structure comprises a first ladder arrangement having a plurality of rungs disposed along the length of the waveguide and spaced apart from each other, each rung of the first ladder arrangement comprising a plurality of interdigitated electrode pairs. A second ladder arrangement has a plurality of rungs interleaved with the rungs of the first ladder arrangement and spaced apart from each other by a second pitch spacing that is different from the first pitch spacing.