Room temperature superfluorescence in perovskites (Conference Presentation)

Kenan Gundogdu; Franky So; Melike Biliroglu; Gamze Findik; Dovletgeldi Seyitliyev; Lei Lei

doi:10.1117/12.2637475

3 October 2022 Room temperature superfluorescence in perovskites (Conference Presentation)

Kenan Gundogdu, Franky So, Melike Biliroglu, Gamze Findik, Dovletgeldi Seyitliyev, Lei Lei

Proceedings Volume PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI; PC122080A (2022) https://doi.org/10.1117/12.2637475
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

Superfluorescence is a quantum optical phenomenon in which an initially excited ensemble of incoherent dipoles first acquire macroscopic coherence and then collectively recombine and radiate a burst of photons. This process is a symmetry breaking macroscopic quantum phase transition similar to superconductivity and Bose-Einstein condensation. Since quantum coherence is extremely fragile at high temperatures, similar to other macroscopic quantum phase transitions, superfluorescence has been almost always observed at cryogenic temperatures. In this presentation I will first present our results on room temperature superfluorescence in lead-halide perovskites and then present the mechanism that enables this exotic quantum phase transition at room temperature.

Conference Presentation

Citation Download Citation

Kenan Gundogdu, Franky So, Melike Biliroglu, Gamze Findik, Dovletgeldi Seyitliyev, and Lei Lei "Room temperature superfluorescence in perovskites (Conference Presentation)", Proc. SPIE PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI, PC122080A (3 October 2022); https://doi.org/10.1117/12.2637475

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