Near-field observation of subwavelength confinement of photoluminescence by a photonic crystal microcavity

Nicolas Louvion, Adel Rahmani, Christian Seassal, Segolene Callard, Davy Gerard, Frederique de Fornel

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

We present a direct, room-temperature near-field optical study of light confinement by a subwavelength defect microcavity in a photonic crystal slab containing quantum-well sources. The observations are compared with three-dimensional finite-difference time-domain calculations, and excellent agreement is found. Moreover, we use a subwavelength cavity to study the influence of a near-field probe on the imaging of localized optical modes.
Original languageEnglish
Pages (from-to)2160-2162
Number of pages3
JournalOptics Letters
Volume31
Issue number14
Publication statusPublished - 2006
Externally publishedYes

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