Ultrafast all-optical tuning of fano resonant halide perovskite nanoparticles

Francesco Banfi, Stefania Pagliara, Gabriele Ferrini, Claudio Giannetti, Paolo Franceschini, Andrea Tognazzi, L. Carletti, A. Perri, F. Preda, D. Polli, A. Tognazzi, C. De Angelis, A. P. Pushkarev, S. V. Makarov

Risultato della ricerca: Contributo in libroContributo a convegno

Abstract

A new paradigm for active nanophotonic structures and metadevices based on perovskites has recently emerged due to several unique features of these materials such as room-temperature exciton, tunable bandgap energy, and low-cost fabrication methods [1,2]. Progress towards future applications requiring dynamical control of the optical response will depend on our understanding of photoexcitations in these systems [3,4]. In this work, we report the first experimental observation of ultrafast all-optical modulation of Fano resonant halide perovskite nanoparticles (NP). Our measurements, corroborated by analytical and numerical models, show that the out-of-equilibrium dynamics of these systems can be thoroughly controlled by engineering the NP size.
Lingua originaleEnglish
Titolo della pubblicazione ospite2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Pagine1
Numero di pagine1
DOI
Stato di pubblicazionePubblicato - 2019
Evento2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich, Germany
Durata: 23 giu 201927 giu 2019

Convegno

Convegno2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
CittàMunich, Germany
Periodo23/6/1927/6/19

Keywords

  • Optical interferometry , Nanoparticles , Ultrafast optics , Excitons , Optical pumping , Optical pulses , Photonic band gap

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