Modification of multiphoton emission properties of single quantum dot due to the long-range coupling with plasmon nanoparticles in thin-film hybrid material

Victor Krivenkov; Pavel Samokhvalov; Ana Sanchez-Iglesias; Marek Grzelczak; Igor Nabiev; Yury Rakovich

doi:10.1117/12.2530093

3 October 2019 Modification of multiphoton emission properties of single quantum dot due to the long-range coupling with plasmon nanoparticles in thin-film hybrid material

Victor Krivenkov, Pavel Samokhvalov, Ana Sanchez-Iglesias, Marek Grzelczak, Igor Nabiev, Yury Rakovich

Author Affiliations +

Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 1120728 (2019) https://doi.org/10.1117/12.2530093
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal

Abstract

Semiconductor quantum dots (QDs) are known for their unique photophysical properties and, in particular, their ability to multiphoton emission caused by recombination of biexcitons. However, the luminescence quantum yield of biexciton states is relatively low due to the fast Auger non-radiative process. Plasmonic nanoparticles can significantly accelerate the radiative rate of QDs. In this study we demonstrate the distance-controlled enhancement of the biexciton emission of single CdSe/ZnS/CdS/ZnS QDs due to their coupling with gold nanorods. We explain this enhancement as the distancedependent trade-off between the energy transfer and the Purcell effect. Our findings constitute a reliable approach to managing the efficiency of multiphoton emission over a wide span of distances.

Citation Download Citation

Victor Krivenkov, Pavel Samokhvalov, Ana Sanchez-Iglesias, Marek Grzelczak, Igor Nabiev, and Yury Rakovich "Modification of multiphoton emission properties of single quantum dot due to the long-range coupling with plasmon nanoparticles in thin-film hybrid material", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 1120728 (3 October 2019); https://doi.org/10.1117/12.2530093

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