Broadband energy conversion between off-plane Gaussian lightwave and in-plane surface plasmon waves

Sheng Hsiung Chang, Chao Yi Tai

研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)

摘要

We report on highly efficient energy conversion between off-plane Gaussian beam and in-plane surface plasmon waves (SPWs). The finite-difference time-domain method was used to analyze the conversion efficiency. In contrast to the single plasmonic rib structure, coupled ribs provide broadband and highly efficient SPW-conversion due to enlarged coupling zone. The simulation shows that Gaussian beam-to-SPWs conversion efficiency can be higher than 50% for the wavelength range from 750 to 950 nm. Compared to in-plane excitation, the present structure is superior in terms of the critical dimension of fabrication, showing promise as an efficient SPW generator in plasmonic nano-circuritry.

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文章編號6025256
頁(從 - 到)1727-1729
頁數3
期刊IEEE Photonics Technology Letters
23
發行號22
DOIs
出版狀態已出版 - 2011

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