Observation of surface mode arcs associated with nodal surfaces in electromagnetic metacrystals
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Journal:
Journal of the Optical Society of America B
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Abstract:
In this article, we designed, fabricated, and characterized an electromagnetic metacrystal that topologically carries nontrivial nodal surface degeneracies. Compared with nodal surfaces observed in an acoustic system, the topological charge of the nodal surface in our system is compensated by charge-2 Weyl points, and we designed our system considering the rules of symmetry. To demonstrate the existence of the nodal surfaces and their topological properties, we have experimentally observed surface state arcs derived from helicoid sheets of surface states connecting the nodal surface with a …
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Indexed by:
Journal paper
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Volume:
38
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Issue:
10
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Page Number:
2953-2959
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Translation or Not:
no
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Date of Publication:
2021-09-04
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Links to published journals:
https://opg.optica.org/josab/abstract.cfm?uri=josab-38-10-2953