ZnO‐Microrod/p‐GaN Heterostructured Whispering‐Gallery‐Mode Microlaser Diodes

Concepts

EngineeringElectrical EngineeringMaterials ScienceOptoelectronicsPhotonicsSemiconductor DevicesLaser DiodesLuminescent MaterialsOptical SourcesOptoelectronic DevicesOptoelectronic MaterialsSemiconductor LasersGallium Nitride (Gan) MaterialsGallium Nitride Light-emitting DiodesHeterostructure LasersMicrolasersSemiconductor Laser DiodesSemiconductor Laser FabricationWhispering-gallery-mode Resonators

Abstract

The whispering gallery mode (WGM) lasing and microphotoluminescence from a hexagonal ZnO microrod are investigated. The hexagonal ZnO microrod is integrated on a p-GaN substrate to fabricate a heterostructured microlaser diode and the electrically pumped WGM lasing from the diode is realized.

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