Physics, Chemistry and Application of Nanostructures
POPULATION INVERSION OF ERBIUM ION STATES CAUSED BY ENERGY TRANSFER FROM SILICON NANOCRYSTALS
Victor Yu. Timoshenko, Olga A. Shalygina, Denis M. Zhigunov, S. A. Teterukov, Pavel K. Kashkarov, Minoru Fujii, S. HAYASHI, Margit Zacharias