Near-field visualization of light confinement in a photonic crystal 
microresonator

Kramper, Patrcik; Kafesaki, Maria; Soukoulis, Costas M.; Birner, Albert; Muller, Frank; Goesele, Ulrich; Wehrspohn, Ralf B.; Mlynek, Jürgen; Sandoghdar, Vahid

doi:10.1364/OL.29.000174

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Near-field visualization of light confinement in a photonic crystal microresonator

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Kramper, P., Kafesaki, M., Soukoulis, C. M., Birner, A., Muller, F., Goesele, U., et al. (2004). Near-field visualization of light confinement in a photonic crystal microresonator. Optics Letters, 29, 174-176. doi:10.1364/OL.29.000174.

Cite as: https://hdl.handle.net/21.11116/0000-0002-9B9E-E

Abstract

By using scanning near-field optical microscopy, we directly map the subwavelength confinement of light around a point defect in a two-dimensional photonic crystal microresonator. Comparison of our results with the outcome of three-dimensional finite-difference time domain calculations allows us to identify small imperfections in the structure that result in the spatial modification of the intensity distribution. (C) 2004 Optical Society of America