Publication

Global optimization of an encapsulated Si/SiO2L3 cavity with a 43 million quality factor

Vincenzo Savona, Juan Pablo Vasco Cano
2021
Journal Articles

Abstract

We optimize a silica-encapsulated silicon L3 photonic crystal cavity for ultra-high quality factor by means of a global optimization strategy, where the closest holes surrounding the cavity are varied to minimize out-of-plane losses. We find an optimal value of Qc=4.33×107, which is predicted to be in the 2 million regime in presence of structural imperfections compatible with state-of-the-art silicon fabrication tolerances.

Official source

https://infoscience.epfl.ch/entities/publication/77023abd-52f6-46c8-b7d7-f61f23407df1

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Global optimization of an encapsulated Si/SiO2L3 cavity with a 43 million quality factor

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