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Cavity design in woodpile based 3D photonic crystals

Research output: Contribution to journalArticle

Original languageEnglish
Article number1087
Number of pages11
JournalApplied Sciences
Issue number7
Early online date5 Jul 2018
DateAccepted/In press - 3 Jul 2018
DateE-pub ahead of print - 5 Jul 2018
DatePublished (current) - Jul 2018


In this paper, we present a design of a three-dimensional (3D) photonic crystal (PhC) nanocavity based on an optimized woodpile structure. By carefully choosing the position of the defect at the lattice center, we can create a cavity with high symmetry which supports well confined Gaussian-like cavity modes similar to those seen in a Fabry Perot laser resonator. We could also tune the resonant frequency of the cavity and manually choose the cavity mode order by adjusting the size of the defect at a chosen position.

    Research areas

  • 3D photonic crystal, Cavity mode, Microcavity, Photonic band gap, Woodpile

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    Licence: CC BY


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