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Silicon nitride PhC nanocavities as versatile platform for visible spectral range devices |
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| Authors: | F. Pisanello L. Martiradonna A. Qualtieri T. Stomeo M. Grande P.P. Pompa R. Cingolani A. Bramati M. De Vittorio |
| Affiliation: | 1. National Nanotechnology Laboratory, CNR-Istituto di Nanoscienze, Scuola superiore ISUFI, Università del Salento, 16 Via Arnesano, Lecce 73100, Italy;2. Laboratoire Kastler Brossel, CNRS UMR8552, Universitè Pierre et Marie Curie, Ecole Normale Supérieure, 4 Place Jussieu, 75252 Paris Cedex 05, France;3. Center for Bio-Molecular Nanotechnology, Istituto Italiano di Tecnologia (IIT), Via Barsanti 1, Arnesano, Lecce 73010, Italy;4. Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via Re David 200, 70125 Bari, Italy |
| Abstract: | We propose silicon nitride two-dimensional photonic crystal resonators as flexible platform to realize photonic devices based on spontaneous emission engineering of nanoemitters in the visible spectral range. The versatility of our approach is demonstrated by coupling the two dipole-like modes of a closed band gap H1 nanocavity with: (i) DNA strands marked with Cyanine 3 organic dyes, (ii) antibodies bounded to fluorescent proteins and (iii) colloidal semiconductor nanocrystals localized in the maximum of the resonant electric field. The experimental results are in good agreement with the numerical simulations, highlighting the good coupling of the nanocavities with both organic and inorganic light emitters. |
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