Low Optical Loss Connection for Photonic Crystal Slab Waveguides

Akiko Gomyo, Jun Ushida, Masayuki Shirane, Masatoshi Tokushima, Hirohito Yamada

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Low-loss optical coupling structures between photonic crystal waveguides and channel waveguides were investigated. It was emphasized that impedance matching of guided modes of those waveguides, as well as field-profile matching, was essential to achieving the low-loss optical coupling. We developed an impedance matching theory for Bloch waves, and applied it to designing the low-loss optical coupling structures. It was demonstrated that the optical coupling loss between a photonic crystal waveguide and a Si-channel waveguide was reduced to as low as 0.7 dB by introducing an interface structure for impedance matching between the two waveguides.

本文言語English
ページ(範囲)328-335
ページ数8
ジャーナルIEICE Transactions on Electronics
E87-C
3
出版ステータスPublished - 2004 3
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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