Resonant modes in monolithic nitride pillar microcavities H. Lohmeyer, K. Sebald, J. Gutowski, R. Kröger, C. Kruse, D. Hommel, J. Wiersig and F. Jahnke Eur. Phys. J. B, 48 3 (2005) 291-294 Published online: 23 December 2005 DOI: 10.1140/epjb/e2005-00418-6