Periodic Microring Lattice as a Bandstop Filter

Abstract

We have realized a photonic bandgap structure with a linear lattice of 36 periods, with each period consisting of two microrings. This configuration relieves some current stringent fabrication requirements. The microrings were fabricated in benzocyclobutene. As a bandstop filter, the lattice has a low transmission loss of 3 dB, a wide bandgap of 1.6 nm, and… (More)

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