Large-scale controlled coupling of single-photon emitters to high-index dielectric nanoantennas by AFM nanoxerography - Archive ouverte HAL
Article Dans Une Revue Nanoscale Année : 2023

Large-scale controlled coupling of single-photon emitters to high-index dielectric nanoantennas by AFM nanoxerography

Résumé

Improving the brightness of single-photon sources by means of optically resonant nanoantennas is a major stake for the development of efficient nanodevices for quantum communications. We demonstrate that nanoxerography by atomic force microscopy makes possible the fast, robust and repeatable positioning of model quantum nanoemitters (nitrogen-vacancy NV centers in nanodiamonds) on a large-scale in the gap of silicon nanoantennas with a dimer geometry. By tuning the parameters of the nanoxerography process, we can statistically control the number of deposited nanodiamonds, yielding configurations down to a unique single photon emitter coupled to these high index dielectric nanoantennas, with high selectivity and enhanced brightness induced by a near-field Purcell effect. Numerical simulations are in very good quantitative agreement with time-resolved photoluminescence experiments. A multipolar analysis reveals in particular all the aspects of the coupling between the dipolar single emitter and the Mie resonances hosted by these simple nanoantennas. This proof of principle opens a path to a genuine and large-scale spatial control of the coupling of punctual quantum nanoemitters to arrays of optimized optically resonant nanoantennas. It paves the way for future fundamental studies in quantum nano-optics and toward integrated photonics applications for quantum technologies.

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Dates et versions

hal-04158706 , version 1 (11-07-2023)

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Mélodie Humbert, Romain Hernandez, Nicolas Mallet, Guilhem Larrieu, Vincent Larrey, et al.. Large-scale controlled coupling of single-photon emitters to high-index dielectric nanoantennas by AFM nanoxerography. Nanoscale, 2023, 15 (2), pp.599-608. ⟨10.1039/d2nr05526k⟩. ⟨hal-04158706⟩
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