Surface plasmons in a metal nanowire coupled to colloidal quantum dots: Scattering properties and quantum entanglement
arXiv:1403.3512 · doi:10.1103/PhysRevB.84.045310
Abstract
We investigate coherent single surface-plasmon transport in a metal nanowire strongly coupled to two colloidal quantum dots. Analytical expressions are obtained for the transmission and reflection coefficients by solving the corresponding eigenvalue equation. Remote entanglement of the wave functions of the two quantum dots can be created if the inter-dot distance is equal to a multiple half-wavelength of the surface plasmon. Furthermore, by applying classical laser pulses to the quantum dots, the entangled states can be stored in metastable states which are decoupled from the surface plasmons.
arXiv comment9 pages, 5 figures
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