Design of plasmonic racetrack resonators with a trench structure

Hiroyuki Okamoto*, Kenzo Yamaguchi, Masanobu Haraguchi, Toshihiro Okamoto, Cheng Sun

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The authors present a plasmonic racetrack resonator with a trench structure. The depth of the structure and the length of the racetrack straightaways both significantly influence the characteristics of the plasmonic racetrack resonator. The optimum depth of the structure and length of the straightaways have been numerically evaluated by the finite-difference time-domain method. The quality factor of the plasmonic racetrack resonator is 38. As compared to the output intensity of a plasmonic ring resonator with a trench structure, the output intensity of the proposed plasmonic racetrack resonator is greater by one order of magnitude.

Original languageEnglish (US)
Article number092201
JournalJapanese Journal of Applied Physics
Volume50
Issue number9 PART 1
DOIs
StatePublished - Sep 1 2011

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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