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

doi:10.1063/1.2757099

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

Research output: Contribution to journal › Article › peer-review

49 Citations (Scopus)

Abstract

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.

Original language	English
Article number	021110
Journal	Applied Physics Letters
Volume	91
Issue number	2
DOIs	https://doi.org/10.1063/1.2757099
Publication status	Published - 2007
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "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.",

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AU - Tanabe, Takasumi

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AU - Kondo, Shingo

AU - Taniyama, Hideaki

AU - Notomi, Masaya

PY - 2007

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AB - 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.

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

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