Room Temperature Excitonic Whispering Gallery Mode Lasing from High‐Quality Hexagonal ZnO Microdisks
Rui Chen, Bo Ling, Xiao Wei Sun, Handong Sun · Advanced Materials · 2011
High-quality ZnO microdisks are prepared by a vapor phase transport method. The ZnO microdisks have perfect hexagonal shape and exhibit strong excitonic lasing under optical excitation at room temperature. The observed lasing modes match well with whispering gallery modes.