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)
S.-Y. Seo, J.H. Shin, B.-S. Bae, N. Park, J.J. Penninkhof and A. Polman, Erbium-thulium interaction in broadband infrared luminescent silicon-rich silicon oxide, Appl. Phys. Lett. 82, 3445-3447 (2003)
T. van Dillen, A. Polman, C.M. van Kats and A. van Blaaderen, Ion beam-induced anisotropic plastic deformation at 300 keV, Appl. Phys. Lett. 83, 4315-4317 (2003)
P.G. Kik, A. Polman, S. Libertino and S. Coffa, Design and performance of an erbium doped silicon waveguide detector operating at 1.5 mm, J. Lightwave Technol. 20, 862-867 (2002)
C. Strohhöfer, J.P. Hoogenboom, A. van Blaaderen and A. Polman, Highly dispersive micropatterns in ion-exchanged glass formed by ion irradiation through a mask of colloidal particles, Adv. Mater. 14, 1815-1818 (2002)
M.J.A. de Dood, B. Berkhout, C.M. van Kats, A. Polman and A. van Blaaderen, Acid based synthesis of monodisperse rare earth doped colloidal SiO2 spheres, Chem. Mater. 14, 2849-2853 (2002)
L. Kou, D.C. Hall, C. Strohhöfer, A. Polman, T. Zhang, R.M. Kolbas, R.D. Heller and R.D. Dupuis, Er-doped AlGaAs native oxides: Photoluminescence characterization and process optimization, IEEE J. Quantum Electron. 8, 880-890 (2002)
