About: http://webisa.webdatacommons.org/383650214

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 silicon layer 160 (often configured as an optical waveguide) is formed at least in part from silicon and may also include GaAs, InP, SiGe, or other materials which in combination with silicon transmit light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com