Analogies in optics and micro electronics : selected contributions on recent developments / ed. by Willem van Haeringen and Daan LenstraModal analysis of a planar waveguide with gain and losses / T.D. Visser, H. Blok and D. LenstraDe toekomst van de Nederlandse natuurkunde / [voorw.: Daan Lenstra]Polarization-dependent amplification in planar waveguides / T.D. Visser, D. Lenstra and H. BlokTheory of polarization-dependent amplification in a slab waveguide with anisotropic gain and losses / T.D. Visser, H. Blok and D. LenstraQuantum optics of small structures / ed. by D. Lenstra, T.D. Visser and K.A.H. van LeeuwenProceedings 2002 seventh annual symposium of the IEEE/LEOS Benelux Chapter : Monday, December 9, 2002, Vrije Universiteit Amsterdam, The Netherlands / ed. Taco D. Visser, Daan Lenstra and Hugo F. Schouten