Nonlinear spectroscopy in perovskite quantum dots

Gabriel Nagamine; Luiz Gustavo Bonato; Juan A. Castañeda; Emre Yassitepe; Ana F. Nogueira; Carlos H. Brito Cruz; Lazaro A. Padilha

doi:10.1117/12.2305001

8 May 2018 Nonlinear spectroscopy in perovskite quantum dots

Gabriel Nagamine, Luiz Gustavo Bonato, Juan A. Castañeda, Emre Yassitepe, Ana F. Nogueira, Carlos H. Brito Cruz, Lazaro A. Padilha

Author Affiliations +

Proceedings Volume 10638, Ultrafast Bandgap Photonics III; 106380K (2018) https://doi.org/10.1117/12.2305001
Event: SPIE Defense + Security, 2018, Orlando, FL, United States

Abstract

Since the first reports of their successful synthesis in 2015, all-inorganic perovskite quantum dots (PQDs), emerged as promising material for lighting applications. Despite their unique optical properties, to date, PQDs based LEDs and lasing media operation is still far from ideal. One of the limiting factors is the strong Coulomb interaction, which contributes to nonradiative decay processes. Here, we discuss in detail the multiexciton interactions in PQDs based on their size dependence. We expand on their nonlinear optical properties, focusing on the two-photon absorption characteristics, showing results for two-photon pumped amplified stimulated emission, suggesting that these materials may be promising for two-photon pumped lasers.

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Citation Download Citation

Gabriel Nagamine, Luiz Gustavo Bonato, Juan A. Castañeda, Emre Yassitepe, Ana F. Nogueira, Carlos H. Brito Cruz, and Lazaro A. Padilha "Nonlinear spectroscopy in perovskite quantum dots", Proc. SPIE 10638, Ultrafast Bandgap Photonics III, 106380K (8 May 2018); https://doi.org/10.1117/12.2305001

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