Resonance fluorescence spectrum of a \Lambda-type quantum emitter close to a metallic nanoparticle



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Carreño Sánchez, Fernando and Antón Revilla, Miguel Ángel and Yannopapas, V. and Paspalakis, E. (2016) Resonance fluorescence spectrum of a \Lambda-type quantum emitter close to a metallic nanoparticle. Physical Review A, 94 (1). 013834. ISSN 2469-9926

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We theoretically study the resonance fluorescence spectrum of a three-level quantum emitter coupled to a spherical metallic nanoparticle. We consider the case that the quantum emitter is driven by a single laser field along one of the optical transitions. We show that the development of the spectrum depends on the relative orientation of the dipole moments of the optical transitions in relation to the metal nanoparticle. In addition, we demonstrate that the location and width of the peaks in the spectrum are strongly modified by the exciton-plasmon coupling and the laser detuning, allowing to achieve controlled strongly subnatural spectral line. A strong antibunching of the fluorescent photons along the undriven transition is also obtained. Our results may be used for creating a tunable source of photons which could be used for a probabilistic entanglement scheme in the field of quantum information processing.

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Aceptado el 5 de julio de 2016. Publicado el 19 July 2016

Uncontrolled Keywords:Resonance ; Fluorescence spectrum ; Quatum emitter ; Quantum information processing ; Metal nanoparticle
Subjects:Sciences > Physics > Optics
Sciences > Physics > Particles
Sciences > Physics > Quantum theory
ID Code:38442
Deposited On:01 Sep 2016 10:10
Last Modified:19 Sep 2016 13:50

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