Near-field imaging of coupled photonic-crystal microcavities

Vignolini, Silvia; Intonti, F.; Zani, M.; Riboli, F.; Wiersma, D. S.; Li, L. H.; Balet, L.; Francardi, M.; Gerardino, A.; Fiore, A.; Gurioli, M.

doi:10.1063/1.3107269

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Near-field imaging of coupled photonic-crystal microcavities

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Vignolini, S., Intonti, F., Zani, M., Riboli, F., Wiersma, D. S., Li, L. H., et al. (2009). Near-field imaging of coupled photonic-crystal microcavities. Applied Physics Letters, 94(15): 151103. doi:10.1063/1.3107269.

Cite as: https://hdl.handle.net/21.11116/0000-000B-FAB8-C

Abstract

We report by means of near-field microscopy on the coupling between two adjacent photonic crystal microcavities. Clear-cut experimental evidence of the spatial delocalization of coupled-cavity optical modes is obtained by imaging the electromagnetic local density of states. We also demonstrate that it is possible to design photonic structures with selective coupling between different modes having orthogonal spatial extensions © 2009 American Institute of Physics.