期刊
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS
卷 9, 期 9, 页码 S425-S430出版社
IOP PUBLISHING LTD
DOI: 10.1088/1464-4258/9/9/S24
关键词
photonic crystal; nanocavity; resonator; photon lifetime; quality factor
类别
Very long photon lifetimes and resultant very high quality factors (Q-factors) are theoretically achieved in a system where microstructures are arranged periodically to make a closed chain loop. We call this a photonic-atoll resonator. The radiative Q-factor reaches an extremely high value in the vicinity of the edges of the light energy bands that could be regarded as the photonic bands created in the quasi-one-dimensional photonic crystal. This resonator is shown to have advantages over other resonators, e. g., a resonator using the defect mode localized in a regular photonic crystal.
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