Abstract
The study of the interaction of surface plasmon polaritons (SPPs) with quantum emitters has become very important in the last few years. The ability to design optical devices as well as investigate the physics of strongly interacting systems is some of its useful applications. In this paper, we will show some results on the decay of excitons confined in a InAs/GaAs quantum dot into SPP modes confined in a metallic thin film made of Au, an important step toward the investigation of the basic features of the SPP–exciton interaction. The lifetime of the ground state level was investigated and shown to decrease with the presence of the metallic film.
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Acknowledgments
The authors thank Prof. R. G. Pereira for fruitful discussions. We also thank the computational support of the Núcleo de Apoio à Óptica e Fotônica (NAPOF-USP), as well as technical support of NanoPlasmonics group. We are also grateful to the Brazilian agencies CNPq under Grant number 140152/2011-3, FAFQ, FAPESP under Grant 2013/07276-1 and CAPES for financial support.
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Sobreira, F.W.A., de Oliveira, E.R.C., Teodoro, M.D. et al. Probing semiconductor confined excitons decay into surface plasmon polaritons. Appl. Phys. A 122, 385 (2016). https://doi.org/10.1007/s00339-016-9831-2
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DOI: https://doi.org/10.1007/s00339-016-9831-2