Edgy light on graphene may bring new one-way information routers

Purdue researchers have developed a “topological circulator” that may improve how information is routed and processed on a chip. Graphene has been the focus of intense research in both academic and industrial settings due to its unique electrical conduction properties. As the thinnest material known to man, graphene is essentially two-dimensional and has distinct electronic and photonic properties from conventional 3D materials.

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