Cooperative upconversion as the gain-limiting factor in Er doped miniature Al2O3 optical waveguide amplifiers Back to all publications Publication date 1 January 2003 DOI http://dx.doi.org/10.1063/1.1565697 Reference P.G. Kik and A. Polman, Cooperative upconversion as the gain-limiting factor in Er doped miniature Al2O3 optical waveguide amplifiers, J. Appl. Phys. 93, 5008-5012 (2003) Group Photonic Materials Request this article
