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(1) Presentation(s)

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Lun. 23/11/2015 10:00 Salle des Séminaires, Bâtiment 21, Etage 4

Séminaire
SAPIENZA Riccardo (King’s College London)
Complex photonic networks of light and individual emitters

(Théorie du rayonnement matière et phénomènes quantiques)


Sommaire:

Single photon emitters coupled to a complex photonic network hold great potential for next generation quantum information at the nanoscale. I will present our approach to photonic networks based on multiple scattering and how we experimentally couple a set of distributed single emitters with disordered electro-spun dielectric nanofibers, percolating plasmonic networks, and hybrid antenna-waveguide systems. By measuring individual quantum dots and organic emitters at room temperature we record both real and momentum spectroscopy of the fluorescence and we construct the distribution of the Purcell effect, i.e. the fluorescence modification by local mode density engineering. I will discuss the role of global long-range interactions linked to the network connectivity, degree of percolation and fractality, as well as the local near-field contribution.


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