15 October 2015 Simulation of the light emission properties of patterned metal-based nanostructures for ultra-high density optical storage
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Abstract
Current researches show that the surface plasmon-polariton modes (SPPMs) in metallic nanostructures can lead to a powerful localization of guided light signals, which is generally as small as a few nanometers and thus far beyond the diffraction limit of electromagnetic waves in dielectric media. In this paper, our attention is paid to the modeling and simulation of particular kinds of patterned metal-based nanostructure fabricated over several common wafers such as typical silicon dioxide. The nanostructures are designed for concentrating and delivering incident light energy into nanoscale regions. In our research, the factors, for instance, optical materials, patterned nano-structures, the distance arrangement between adjacent single nanopattern, and the frequency of incident electromagnetic wave, are taken as variables, and further the CST microwave studio is used to simulate optical behaviors of the devices developed by us. By comparing the transmittance and electric field intensity distribution in small area, the nano-light-emission effects are analyzed, and the conditions for obtaining near-field nanospots have been chosen.
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Weijun Li, Yaping Zhu, Jun Luo, Sha Peng, Yu Lei, Qing Tong, Xinyu Zhang, Changsheng Xie, "Simulation of the light emission properties of patterned metal-based nanostructures for ultra-high density optical storage", Proc. SPIE 9672, AOPC 2015: Advanced Display Technology; and Micro/Nano Optical Imaging Technologies and Applications, 96720Y (15 October 2015); doi: 10.1117/12.2202905; https://doi.org/10.1117/12.2202905
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