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Journal Article
Strong Visible Magnetic Resonance of Size-controlled Silicon-nanoblock Metasurfaces
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- Authors
- Yoonsik Yi, SeokJae Yoo, Jong-Ho Choe, Sang-Gil Park, Ki-Hun Jeong, Q-Han Park, Choon-Gi Choi
- Issue Date
- 2016-04
- Citation
- Applied Physics Express, v.9, no.4, pp.1-3
- ISSN
- 1882-0778
- Publisher
- Japan Society of Applied Physics (JSAP), Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- To extend the operating window of all-dielectric metamaterials into the visible regime, obtaining controllable magnetic resonance is ebential. We experimentally demonstrated strong magnetic resonance at 595nm using an array of amorphous silicon (a-Si) nanoblocks. The results of both theoretical calculations and experiments show that magnetic resonance can be tuned continuously by appropriately varying the size and thickneb of a-Si nanoblocks. We also experimentally achieved a magnetic resonance Q-factor of > 10, which is a higher value than that yielded by a metallic split-ring resonator in the visible regime.
- KSP Keywords
- A-Si, Magnetic resonance(MR), Operating window, Q factor, Size-controlled, Theoretical calculation, all-dielectric metamaterials, amorphous silicon, controllable magnetic, split-ring resonator