Hybrid modes in plasmonic cavity array for enhanced hot-electron photodetection

Zhiqiang Yang, Min Liu, Shuhai Liang, Wending Zhang, Ting Mei, Dawei Zhang, Soo Jin Chua

科研成果: 期刊稿件文章同行评审

20 引用 (Scopus)

摘要

The plasmonic characteristics of a periodic array of cavities in a silicon substrate are investigated for hot-electron photodetection. Resonances of cavity surface plasmons bound to air cavities and silicon cavities, and resonance of Bragg−surface plasmon polaritons are illustrated by the map of metal absorption. Hybrid modes formed with combination of these modes can strongly enhance absorption in metal and be exploited to optimize hot-electron photodetectors for single-band and dual-band detection at optical communication wavelengths.

源语言英语
页(从-至)20268-20273
页数6
期刊Optics Express
25
17
DOI
出版状态已出版 - 21 8月 2017

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