Single point defect photonic crystal nanocavity with ultrahigh quality factor achieved by using hexapole mode

Takasumi Tanabe, Akihiko Shinya, Eiichi Kuramochi, Shingo Kondo, Hideaki Taniyama, Masaya Notomi

研究成果: Article査読

47 被引用数 (Scopus)

抄録

Photonic crystal (PhC) nanocavities with an extremely high quality factor (Q) based on a point defect are fabricated and their properties are studied. Their confinement of light is based on rotational symmetry, which forms a hexapole mode with a Q of 3.2× 105. It demonstrates that this nanocavity is an alternative candidate for achieving an ultrahigh Q. In addition, we observed bistable behavior based on the thermo-optic effect at a threshold power of a few 100 μW. We also investigated the dynamic properties of this cavity, where we observed that the cavity exhibits a smaller Q at a higher input power.

本文言語English
論文番号021110
ジャーナルApplied Physics Letters
91
2
DOI
出版ステータスPublished - 2007
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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