Assertion: laser diode | /r/CapableOf | use p-n junction
Facets:
value: for producing coherent radiation
type: PURPOSE
value: to emit coherent light
type: PURPOSE
Source sentences:
text: It uses p-n junction to emit coherent light in which all the waves are at the same frequency and phase.
text: A laser diode is a semiconductor which uses p-n junction for producing coherent radiation with the same frequency and phase which is either in the visible or infrared spectrum.