Waveguide-plasmon resonances in gold-capped silicon-nitride disk photonic crystal slabs

被引：0

作者：

Shyu, Jia-Hong ^{[1
]}

Lee, Huang-Ming ^{[1
]}

Chien, Jui-Hsing ^{[2
]}

Wu, Jong-Ching ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Dept Phys, Changhua 500, Taiwan

[2] Natl Changhua Univ Educ, Inst Photon, Changhua 500, Taiwan

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2010年 / 28卷 / 06期

关键词：

NANOPARTICLES; GRATINGS; FILTERS; ARRAYS;

D O I：

10.1116/1.3518460

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Waveguide-plasmon resonances of gold-capped silicon-nitride (SiN) disk photonic crystal slabs (PCSs) were investigated experimentally and numerically. The waveguide couplings were supported by the freestanding SiN membrane and the SiN-disk PCS. A tunable waveguide-plasmon resonance was modified by the SiN-disk height. When the SiN-disk height increased, the waveguide-plasmon resonances were enhanced and were blueshifted in optical-transmission spectra. The SiN-disk PCS was also fabricated to distinguish the presence of the waveguide-plasmon resonance in the gold-capped SiN-disk PCS from the guided resonance in the SiN-disk PCS. The finite-element method was used to calculate the optical transmittance of the gold disk array-coated SiN membranes, the gold-capped SiN-disk PCSs, and the SiN-disk PCSs. They were all in good agreement with the experiments. (C) 2010 American Vacuum Society. [DOI: 10.1116/1.3518460]

引用

页码：C6O56 / C6O59

页数：4

共 16 条

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