Observation of asymmetric spectrum broadening induced by silver nanoparticles in a heavy-metal oxide glassN. Zhavoronkov, R. Driben, B. A. Bregadiolli, M. Nalin and B. A. MalomedEPL, 94 3 (2011) 37011DOI: https://doi.org/10.1209/0295-5075/94/37011