Room Temperature Excitonic Whispering Gallery Mode Lasing from High‐Quality Hexagonal ZnO Microdisks

Rui Chen; Bo Ling; Xiao Wei Sun; Handong Sun

doi:10.1002/adma.201100423

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Room Temperature Excitonic Whispering Gallery Mode Lasing from High‐Quality Hexagonal ZnO Microdisks

Rui Chen Bo Ling Xiao Wei Sun Handong Sun

Year: 2011 Journal: Advanced Materials Vol: 23 (19)Pages: 2199-2204

DOI: 10.1002/adma.201100423

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Abstract

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.

Keywords:

Lasing threshold Whispering-gallery wave Materials science Whispering gallery Optoelectronics Hexagonal crystal system Excitation Laser Optics Resonator Physics

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Neural Networks and Reservoir Computing

Physical Sciences → Computer Science → Artificial Intelligence

Semiconductor Quantum Structures and Devices

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Random lasers and scattering media

Physical Sciences → Physics and Astronomy → Acoustics and Ultrasonics

Room Temperature Excitonic Whispering Gallery Mode Lasing from High‐Quality Hexagonal ZnO Microdisks

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