Near-field observation of subwavelength confinement of photoluminescence by a photonic crystal microcavity Louvion, Nicolas ; Rahmani, Adel ; Seassal, Christian ; Callard, Ségolène ; Gérard, Davy ; de Fornel, Frédérique Abstract Publication: Optics Letters Pub Date: July 2006 DOI: 10.1364/OL.31.002160 Bibcode: 2006OptL...31.2160L