Scientists report the first observation of topological effects for light in two dimensions, analogous to the quantum Hall effect for electrons. To accomplish this, they built a structure to guide infrared light over the surface of a room temperature, silicon-on-insulator chip.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/0...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/0...