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)
M.J.A. de Dood, L.H. Slooff, T.M. Hensen, D.L.J. Vossen, A. Moroz, T. Zijlstra, E. van der Drift, A. van Blaaderen and A. Polman: 1, 2 and 3 dimensional photonic materials made using ion beams: Fabrication and optical density-of-statesIn: Photonic Crystals and Light Localization in the 21st Century: Proceedings, Crete, Greece June 18-30, 2000 /ed. C.M. Soukoulis, Kluwer, 2001. - pp. 555-566
A. Polman: Erbium-doped planar optical amplifiersIn: Proceedings of the 10th european conference on integrated optics (ECIO '01), Paderborn, Germany, April 4-6, 2001, [s.n.], 2001. - pp. 75-78
C. Strohhöfer and A. Polman, Relationship between gain and Yb3+ concentration in Er3+-Yb3+ doped waveguide amplifiers, J. Appl. Phys. 90, 4314-4320 (2001)