High carrier injection for all-silicon laser H. Toufik, W. Tazibt, N. Toufik, M. El Tahchi, F. Pélanchon and P. Mialhe Eur. Phys. J. Appl. Phys., 58 1 (2012) 10103 Published online: 23 April 2012 DOI: 10.1051/epjap/2012110421