Plasmon assisted photon avalanche (Conference Presentation)

Marcin Szalkowski; Maciej Cwierzona; Magdalena Dudek; Malgorzata Misiak; Zuzanna Korczak; Karolina Sulowska; Szymon Skrzyński; Dawid Piątkowski; Artur Bednarkiewicz; Sebastian Maćkowski

doi:10.1117/12.2649615

16 March 2023 Plasmon assisted photon avalanche (Conference Presentation)

Marcin Szalkowski, Maciej Cwierzona, Magdalena Dudek, Malgorzata Misiak, Zuzanna Korczak, Karolina Sulowska, Szymon Skrzyński, Dawid Piątkowski, Artur Bednarkiewicz, Sebastian Maćkowski

Author Affiliations +

Proceedings Volume PC12396, Plasmonics in Biology and Medicine XX; PC123960D (2023) https://doi.org/10.1117/12.2649615
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Photon avalanche is one of the anti-Stokes upconversion processes characterized by highly nonlinear response of the emission intensity to excitation power density changes. By exceeding the critical pumping power threshold, even minute increase of this power results in a steep increase (by 2-3 orders of magnitude) of the emission intensity. While photon avalanche has been observed in bulk materials since 80-ties, it was reported in thulium-doped nanocrystals only recently, enabling to use them for single excitation beam super-resolution imaging. In current work we explore new perspectives for nanoscale avalanche phenomenon by combining the avalanching materials with plasmonically active metallic nanostructures.

Conference Presentation

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Marcin Szalkowski, Maciej Cwierzona, Magdalena Dudek, Malgorzata Misiak, Zuzanna Korczak, Karolina Sulowska, Szymon Skrzyński, Dawid Piątkowski, Artur Bednarkiewicz, and Sebastian Maćkowski "Plasmon assisted photon avalanche (Conference Presentation)", Proc. SPIE PC12396, Plasmonics in Biology and Medicine XX, PC123960D (16 March 2023); https://doi.org/10.1117/12.2649615

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