On-chip superfocusing of surface plasmon using metal-coat tapered optical fiber pairs with nano-gap structures

Kazuhiro Yamamoto, Shiyoshi Yokoyama, Akira Otomo

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

Surface plasmons are coupling waves of electron and electromagnetic field at interfaces of metal and dielectrics or metallic nanostructures and localize at the boundary with nanoscale distribution. So, by using surface plasmons, one can construct integrated optical systems to overcome the diffraction limit of light. Recently, a special electromagnetic mode, called superfocusing modes, is important in this research area, owing to high field concentration effect due to increasing of wavenumber of surface plasmons. Metal-coat tapered optical fibers are commonly used for the probes of near-field microscopy and are suitable for fabrication of these superfocusing devices. Furthermore, when these probes are arranged face to face with nano-scale gap, the electric fields in nano-gap also can be enhanced. In this presentation, we show the fabrication processes and numerical analysis of these metal cone structures consist of tapered optical fiber pairs on chip.

本文言語英語
ホスト出版物のタイトルPhotonic and Phononic Properties of Engineered Nanostructures III
DOI
出版ステータス出版済み - 2013
イベントPhotonic and Phononic Properties of Engineered Nanostructures III - San Francisco, CA, 米国
継続期間: 2月 3 20132月 7 2013

出版物シリーズ

名前Proceedings of SPIE - The International Society for Optical Engineering
8632
ISSN(印刷版)0277-786X

その他

その他Photonic and Phononic Properties of Engineered Nanostructures III
国/地域米国
CitySan Francisco, CA
Period2/3/132/7/13

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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