TitleBowtie Nanoantennas with Void Defects
AuthorsHe, Kebo
Chen, Ji
Zhang, Zhaoyu
AffiliationPeking Univ, Shenzhen Grad Sch, Sch Comp & Informat Engn, Shenzhen, Peoples R China.
Keywordsbowtie nanoantennas
void defects
surface plasmon resonance
MICROSCOPY
ANTENNAS
LIGHT
Issue Date2012
Citation2012 PHOTONICS GLOBAL CONFERENCE (PGC)..
AbstractThe surface plasmon resonance (SPR) modes and near field gap enhancement of bowtie nanoantennas with void defects are studied numerically. According to the location of the defects, we classify them into four categories: inner, edge, base and vertex defects. Inner and base defects have little impact on SPR modes and gap enhancement while edge and vertex defects lead to mode splitting and gap enhancement changing because of the symmetry breaking. When defects on the edge getting closer to the gap, the gap enhancement increases even above that of the bowtie with no defects. These properties are useful for the evaluation of bowtie nanoantennas fabrication. Furthermore, we can extend the control of the defect location to the defect properties to get useful resonant modes and increase the gap enhancement in applications such as broadband light harvesting, ultrafast wavelength-sensitive photodetection and fluorescent detection for two or more targets.
URIhttp://hdl.handle.net/20.500.11897/405918
DOI10.1109/PGC.2012.6458105
IndexedEI
CPCI-S(ISTP)
Appears in Collections:深圳研究生院待认领

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