Phonon-assisted entanglement between two quantum dots coupled to a plasmonic nanocavity



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Antón Revilla, Miguel Ángel (2022) Phonon-assisted entanglement between two quantum dots coupled to a plasmonic nanocavity. Optics Communications, 508 . p. 127811. ISSN 0030-4018

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We theoretically investigate the influence of a phonon bath on entangled generation between two semiconductor quantum dots coupled to a plasmonic nanocavity and coherently driven by an external optical field. Our study reveals that phonons could be useful in a certain range of system parameters where a subradian state preparation is possible. We point out that this behavior is due to the fact that phonon environment modify the radiative properties of the two-qubit inducing different decay rates between the collective states of the system. The influence of the factors characteristic of quantum dot systems and plasmonic nanocavity such as energy mismatch in different dots, different plasmonic cavity losses as well as coupling to phonons is analyzed. The entanglement can be controlled via different external parameters such as the cavity detuning, the Rabi frequency of the driving field and the resonance frequency of the QDs.

Item Type:Article
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CRUE-CSIC (Acuerdos Transformativos 2021)

Uncontrolled Keywords:Entanglement, Plasmonic nanocavities, Phonon effects
Subjects:Sciences > Physics > Quantum theory
Medical sciences > Optics
Medical sciences > Optics > Physical optics
ID Code:70352
Deposited On:14 Feb 2022 14:10
Last Modified:18 Feb 2022 10:54

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