Angular Selection of Transmitted Light and Enhanced Spontaneous Emission in Grating-Coupled Hyperbolic Metamaterialsopen access
- Authors
- Lee, Dasol; Kim, Minkyung; Lee, Jongmin; Ko, Byoungsu; Park, Hui Joon; Rho, Junsuk
- Issue Date
- Jul-2021
- Publisher
- Optical Society of America
- Citation
- Optics Express, v.29, no.14, pp.21458 - 21472
- Indexed
- SCIE
SCOPUS
- Journal Title
- Optics Express
- Volume
- 29
- Number
- 14
- Start Page
- 21458
- End Page
- 21472
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/973
- DOI
- 10.1364/OE.428231
- ISSN
- 1094-4087
- Abstract
- We propose dielectric grating-coupled hyperbolic metamaterials as a functional device that shows angular selection of transmitted light and enhanced radiative emission rate. We numerically demonstrate that the surface plasmon polaritons in the hyperbolic metamaterials can be effectively outcoupled to the surrounding space by using gratings and facilitate control of the light transmission in the visible frequency. We confirm that the high density of states and the effect of outcoupled plasmonic modes of the proposed structure lead to the increase of Purcell factor and radiative emission. This work will provide multifunctionalities in sensing and imaging systems that use hyperbolic metamaterials.
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