About: http://webisa.webdatacommons.org/377279614

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	Optical waveguides are provided on the surface of the optical substrate, while active devices such as detectors and sources are formed in the electrically active substrate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com