About: http://webisa.webdatacommons.org/178784150

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The electronic structure of bulk silicon makes it an inefficient light emitter, so semiconductor lasers are made from materials other than silicon.
http://www.w3.org/ns/prov#wasQuotedFrom	physicsworld.com