A high-quality factor hybrid plasmonic nanocavity based on distributed Bragg reflectors
A high-quality factor hybrid plasmonic nanocavity based on distributed Bragg reflectors
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基于分布式布拉格反射器的高质量因子混合等离子体纳米腔
DOI:
10.1088/1674-1056/25/9/097302
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发表时间:
2016-07
影响因子:
1.7
通讯作者:
Wang, Zhenlin
中科院分区:
文献类型:
--
作者:
Zhan, Peng;Zhan, Peng;Wang, Zhenlin;Wang, Zhenlin
Herein, we propose a high-quality (Q) factor hybrid plasmonic nanocavity based on distributed Bragg reflectors (DBRs) with low propagation loss and extremely strong mode confinement. This hybrid plasmonic nanocavity is composed of a high-index cylindrical nanowire separated from a metal surface possessing shallow DBRs gratings by a sufficiently thin low-index dielectric layer. The hybrid plasmonic nanocavity possesses advantages such as a high Purcell factor (F p) of up to nearly 20000 and a gain threshold approaching 266 cm−1 at 1550 nm, promising a greater potential in deep sub-wavelength lasing applications.
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