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BBOI results again in Nature Communications

15 September 2015   
Photonics at the surface of silicon waveguides  
The BBOI team from the Politecnico di Milano has unveiled that light propagation through a silicon photonic waveguide creates an extremely thin (a few atoms) highly-conductive surface sheet, which significantly modifies the optical and electrical properties of the waveguide itself.
This effect is extremely fast and efficient, and may be exploited to realize new device concepts based on surface effects, such as ultrafast optical detectors and ultra-low energy optical transmitters. 

Read more:
S. Grillanda and F. Morichetti, "Light-induced metal-like surface of silicon photonic waveguides," Nat. Communications 6:8182, September 2015.