S. P. DenBaars, D. Feezell, K. Kelchner, S. Pimputkar, C.-C. Pan, C.-C. Yen, S. Tanaka,
Y. Zhao, N. Pfaff, R. Farrell, M. Iza, S. Keller, U. Mishra, J. S. Speck, and S. Nakamura,
``Development of gallium-nitride-based light-emitting diodes (LEDs) and laser diodes
for energy-efficient lighting and displays,'' Acta Materialia, vol. 61, no. 3, pp.
945-951, Feb. 2013.
