Enhanced light emission by exciton-surface plasmon coupling

Koichi Okamoto, Axel Scherer, Yoichi Kawakami

研究成果: ジャーナルへの寄稿会議記事査読

1 被引用数 (Scopus)

抄録

Surface plasmon coupling technique was performed to enhanced green light emissions from InGaN/GaN quantum well. We found that photoluminescence intensities were increased by fabricated nano-grating structures on the gold layers and enhancement ratios depend on the grating periods. We also simulated the localized SP modes by 3D-finite difference time domain (FDTD) calculation. The experimental results were well correlated to the calculated results, and we found that the both exciton-SP coupling and light extraction process can be controlled by the nano-structures of the interfaces. This suggests that even more efficient emission should be obtainable by optimizing the nanostructure geometries.

本文言語英語
ページ(範囲)24-28
ページ数5
ジャーナルMaterials Research Society Symposium Proceedings
1055
出版ステータス出版済み - 12月 1 2008
イベントExcitons and Plasmon Resonances in Nanostructures - Boston, MA, 米国
継続期間: 11月 26 200711月 30 2007

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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