SPASENOVIC, M.; BEGGS, D.M.; LALANNE, Philippe; KRAUSS, T.F.; KUIPERS, L.

doi:10.1103/PhysRevB.86.155153

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SPASENOVIC, M.
Center for Nanophotonics

BEGGS, D.M.
Center for Nanophotonics

LALANNE, Philippe
lp2n-03,lp2n-13

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Physical Review B: Condensed Matter and Materials Physics (1998-2015). 2012, vol. 86, n° 15, p. 155153

American Physical Society

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We measure the spatial extent of individual photonic states that are localized by residual disorder in a slow-light photonic crystal waveguide. The size of the states is measured by locally perturbing them individually through an electromagnetic interaction with a near-field probe. We identify localized states that are not observed in transmission and show that they are shorter than the waveguide length. We also obtain near-field measurements of the participation ratio, from which the size of the states is also derived, in quantitative agreement with the size measured with the perturbation method.< Réduire

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Measuring the spatial extent of individual localized photonic states

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