Near-field visualization of light confinement in a photonic crystal microresonator |
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| Authors: | Kramper Patrick Kafesaki Maria Soukoulis Costas M Birner Albert Müller Frank Gösele Ulrich Wehrspohn Ralf B Mlynek Jürgen Sandoghdar Vahid |
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| Institution: | Centre Nationale de la Recherche Scientifique, Laboratoire de Photonique et de Nanostructures, Route de Nozay, 91460 Marcoussis, France. |
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| 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. |
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