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2019, Articolo in rivista, ENG

Electrical Control of Lifetime-Limited Quantum Emitters Using 2D Materials

Schadler, Kevin G.; Ciancico, Carlotta; Pazzagli, Sofia; Lombardi, Pietro; Bachtold, Adrian; Toninelli, Costanza; Reserbat-Plantey, Antoine; Koppens, Frank H. L.

Solid-state quantum emitters are a mainstay of quantum nanophotonics as integrated single-photon sources (SPS) and optical nanoprobes. Integrating such emitters with active nanophotonic elements is desirable in order to attain efficient control of their optical properties, but it typically degrades the photostability of the emitter itself. Here, we demonstrate a tunable hybrid device that integrates state of the art lifetime-limited single emitters (line width similar to 40 MHz) and 2D materials at subwavelength separation without degradation of the emission properties. Our device's nanoscale dimensions enable ultrabroadband tuning (tuning range >400 GHz) and fast modulation (frequency similar to 100 MHz) of the emission energy, which renders it an integrated, ultracompact tunable SPS. Conversely, this offers a novel approach to optical sensing of 2D material properties using a single emitter as a nanoprobe.

Nano letters (Print) 19 (6), pp. 3789–3795

DOI: 10.1021/acs.nanolett.9b00916

InstituteSelected 0/1
    INO, Istituto nazionale di ottica (1)
AuthorSelected 0/2
    Lombardi Pietro Ernesto (1)
    Toninelli Costanza (1)
TypeSelected 0/1
    Articolo in rivista (1)
Research programSelected 0/0
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EU ProjectSelected 0/0
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YearSelected 0/1
    2019 (1)
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Keyword

Single molecules

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