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Self-Assembled Nanocrystals of Polycyclic Aromatic Hydrocarbons Show Photostable Single-Photon Emission

  Articoli su Riviste JCR/ISI  (anno 2018)

Autori:  Pazzagli S., Lombardi P., Martella D., Colautti A., Tiribilli B., Cataliotti FS., Toninelli C

Affiliazione Autori:  [Pazzagli, Sofia; Cataliotti, Francesco Saverio] Univ Florence, Dipartimento Fis & Astron, Via Sansone 1, I-50019 Florence, Italy. [Pazzagli, Sofia; Lombardi, Pietro; Cataliotti, Francesco Saverio; Toninelli, Costanza] CNR, INO, Via Carrara 1, I-50019 Florence, Italy. [Lombardi, Pietro; Martella, Daniele; Colautti, Aa; Cataliotti, Francesco Saverio; Toninelli, Costanza] LENS, Via Carrara 1, I-50019 Florence, Italy. [Lombardi, Pietro; Martella, Daniele; Colautti, Aa; Cataliotti, Francesco Saverio; Toninelli, Costanza] Univ Florence, Via Carrara 1, I-50019 Florence, Italy. [Tiribilli, Bruno] CNR, ISC, Via Madonna del Piano 10, I-50019 Florence, Italy. [Cataliotti, Francesco Saverio; Toninelli, Costanza] QSTAR, Largo Fermi 2, I-50125 Florence, Italy.

Riassunto:  Quantum technologies could largely benefit from the control of quantum emitters in sub-micrometric size crystals. These are naturally prone to integration in hybrid devices, including heterostructures and complex photonic devices. Currently available quantum emitters in nanocrystals suffer from spectral instability, preventing their use as single-photon sources for most quantum optics operations. In this work we report on the performances of single-photon emission from organic nanocrystals (average size of hundreds of nm), made of anthracene (Ac) and doped with dibenzoterrylene (DBT) molecules. The source has hours-long photostability with respect to frequency and intensity, both at room and at cryogenic temperature. When cooled to 3 K, the 00-zero phonon line shows linewidth values (50 MHz) close to the lifetime limit. Such optical properties in a nanocrystalline environment recommend the proposed organic nanocrystals as single-photon sources for integrated photonic quantum technologies.

Rivista/Giornale:  ACS NANO
Volume n.:  12 (5)      Pagine da: 4295  a: 4303
DOI: 10.1021/acsnano.7b08810

   *Citazioni: 2
data tratti da "WEB OF SCIENCE" (marchio registrato di Thomson Reuters) ed aggiornati a:  19/05/2019

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