Strong exciton−photon coupling with colloidal quantum dots in a tunable microcavity
| Autor: | Igor Nabiev, Pavel Samokhvalov, Konstantin Mochalov, Yury P. Rakovich, Ivan Vaskan, Maksim Lednev, Dmitriy Dovzhenko |
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| Přispěvatelé: | University of Southampton, The National Research Nuclear University MEPhI (Moscow Engineering Physics Institute) [Moscow, Russia], Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry (IBCh RAS), Russian Academy of Sciences [Moscow] (RAS), Basque Foundation for Science (Ikerbasque), Laboratoire de Recherche en Nanosciences - EA 4682 (LRN), Université de Reims Champagne-Ardenne (URCA)-SFR CAP Santé (Champagne-Ardenne Picardie Santé), Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV)-Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV)-SFR Condorcet, Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV)-Centre National de la Recherche Scientifique (CNRS)-Université de Reims Champagne-Ardenne (URCA)-Université de Picardie Jules Verne (UPJV)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Photon
Materials science Photoluminescence Physics and Astronomy (miscellaneous) Exciton Physics::Optics FOS: Physical sciences 02 engineering and technology 01 natural sciences 7. Clean energy Condensed Matter::Materials Science 0103 physical sciences Mesoscale and Nanoscale Physics (cond-mat.mes-hall) Polariton [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics 010306 general physics Quantum Condensed Matter::Quantum Gases Coupling Condensed Matter - Materials Science Condensed Matter - Mesoscale and Nanoscale Physics business.industry Condensed Matter::Other Materials Science (cond-mat.mtrl-sci) 021001 nanoscience & nanotechnology Condensed Matter::Mesoscopic Systems and Quantum Hall Effect 3. Good health Quantum dot [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic Optoelectronics Photonics 0210 nano-technology business |
| Zdroj: | Applied Physics Letters Applied Physics Letters, American Institute of Physics, 2021, 119 (1), ⟨10.1063/5.0047146⟩ |
| ISSN: | 0003-6951 |
| Popis: | Polariton emission from optical cavities integrated with various luminophores has been extensively studied recently due to the wide variety of possible applications in photonics, particularly promising in terms of fabrication of low-threshold sources of coherent emission. Tuneable microcavities allow extensive investigation of the photophysical properties of matter placed inside the cavity by deterministically changing the coupling strength and controllable switching from weak to strong and ultra-strong coupling regimes. Here we demonstrate room temperature strong coupling of exciton transitions in CdSe/ZnS/CdS/ZnS colloidal quantum dots with the optical modes of a tuneable low-mode-volume microcavity. Strong coupling is evidenced by a large Rabi splitting of the photoluminescence spectra depending on the detuning of the microcavity. A coupling strength of 154 meV has been achieved. High quantum yields, excellent photostability, and scalability of fabrication of QDs paves the way to practical applications of coupled systems based on colloidal QDs in photonics, optoelectronics, and sensing. Comment: 14 pages, 3 figures |
| Databáze: | OpenAIRE |
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