The design and optimization of high-contrast all-dielectric metastructures for visible-range applications (Conference Presentation)

Hao Yang; He Liu; Boxaing Song; Yuanrui Li; Deming Meng; Buyun Chen; Zerui Liu; Pan Hu; Yunxiang Wang; Tse-Hsien Ou; Wei Wu

doi:10.1117/12.2511260

8 March 2019 The design and optimization of high-contrast all-dielectric metastructures for visible-range applications (Conference Presentation)

Hao Yang, He Liu, Boxaing Song, Yuanrui Li, Deming Meng, Buyun Chen, Zerui Liu, Pan Hu, Yunxiang Wang, Tse-Hsien Ou, Wei Wu

Author Affiliations +

Proceedings Volume 10928, High Contrast Metastructures VIII; 1092809 (2019) https://doi.org/10.1117/12.2511260
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

During the past decades, breakthroughs in nanophotonics and nanofabrication technologies have vigorously promoted the development of optical metastructures. With the help of precise design on metastructures, incident light can be effectively manipulated. However, the difficulty in finding high-index and low-loss dielectrics in visible range limits the application of all-dielectric metastructures for visible wavelengths. Besides, the edge and surface roughness of fabricated metastructure also have more significant effects on its performance. Here, we report the design of high contrast all-dielectric metastructure for visible range applications using the switchable all-dielectric metastructure an example. The physics behind the high contrast all dielectric metastructure is studied and analyzed. Based on this, the effect of edge and surface roughness on fabricated high contrast all-dielectric metastructure is explained. A method that can optimize the metastructure performance effectively is also proposed.

Conference Presentation

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Hao Yang, He Liu, Boxaing Song, Yuanrui Li, Deming Meng, Buyun Chen, Zerui Liu, Pan Hu, Yunxiang Wang, Tse-Hsien Ou, and Wei Wu "The design and optimization of high-contrast all-dielectric metastructures for visible-range applications (Conference Presentation)", Proc. SPIE 10928, High Contrast Metastructures VIII, 1092809 (8 March 2019); https://doi.org/10.1117/12.2511260

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KEYWORDS

Dielectrics

Edge roughness

Surface roughness

Nanofabrication

Nanophotonics

Nanotechnology

Physics

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