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Gallium nitride nanotube lasers

Li, C. and Hurtado, A. and Wright, J. B. and Xu, H. and Liu, S. and Luk, T. S. and Brener, I. and Brueck, S. R. J. and Wang, G. T. (2014) Gallium nitride nanotube lasers. In: Optics InfoBase Conference Papers. Optical Society of America, Washington, D.C.. ISBN 9781557529992

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Lasing is demonstrated from gallium nitride nanotubes fabricated using a two-step topdown technique. By optically pumping, we observed characteristics of lasing: a clear threshold, a narrow spectral, and guided emission from the nanotubes.