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Article Dans Une Revue Nature Communications Année : 2020

Fast electrical modulation of strong near-field interactions between erbium emitters and graphene

Résumé

Combining the quantum optical properties of single-photon emitters with the strong near-field interactions available in nanophotonic and plasmonic systems is a powerful way of creating quantum manipulation and metrological functionalities. The ability to actively and dynamically modulate emitter-environment interactions is of particular interest in this regard. While thermal, mechanical and optical modulation have been demonstrated, electrical modulation has remained an outstanding challenge. Here we realize fast, all-electrical modulation of the near-field interactions between a nanolayer of erbium emitters and gra-phene, by in-situ tuning the Fermi energy of graphene. We demonstrate strong interactions with a >1000-fold increased decay rate for~25% of the emitters, and electrically modulate these interactions with frequencies up to 300 kHz-orders of magnitude faster than the emitter's radiative decay (~100 Hz). This constitutes an enabling platform for integrated quantum technologies, opening routes to quantum entanglement generation by collective plasmon emission or photon emission with controlled waveform.

Domaines

Chimie
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Dates et versions

hal-02941685 , version 1 (17-09-2020)

Identifiants

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Daniel Cano, Alban Ferrier, Karuppasamy Soundarapandian, Antoine Reserbat-Plantey, Marion Scarafagio, et al.. Fast electrical modulation of strong near-field interactions between erbium emitters and graphene. Nature Communications, 2020, 11 (1), ⟨10.1038/s41467-020-17899-7⟩. ⟨hal-02941685⟩
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