Novel structure of laser diode and light-emitting diode realised by coaxial transverse junction (CTJ)

Abstract

A new structure of laser diodes (LD) and light-emitting diodes (LED) with coaxial transverse junction (CTJ) is proposed and demonstrated for the first time, whose optical output as well as p-n junction is cylindrical and perpendicular to the substrate. This CTJ configuration should have wide variety and capabilities.