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We introduce a scheme for generating entanglement between two quantum dotsusing a plasmonic waveguide made from an array of metal nanoparticles. We showthat the scheme is robust to loss, enabling it to work over long distanceplasmonic nanoparticle arrays, as well as in the presence of otherimperfections such as the detuning of the energy levels of the quantum dots.The scheme represents an alternative strategy to the previously introduceddissipative driven schemes for generating entanglement in plasmonic systems.Here, the entanglement is generated by using dipole-induced interferenceeffects and detection-based postselection. Thus, contrary to the widely heldview that loss is major problem for quantum plasmonic systems, we provide arobust-to-loss entanglement generation scheme that could be used as a versatilebuilding block for quantum state engineering and control at the nanoscale.

Robust-to-loss entanglement generation using a quantum plasmonic nanoparticle array