High-Q whispering gallery modes in pillar microcavitiesY.-R. Nowicki-Bringuier, J. Claudon, C. Böckler, S. Reitzenstein, M. Kamp, A. Forchel and J. M. GérardAnn. Phys. Fr., 32 2-3 (2007) 123-126DOI: https://doi.org/10.1051/anphys:2008023