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Our cavity quantum electrodynamics calculations demonstrate generation ofsteady-state entanglement between a plasmonically coupled pair of quantum dotsby using single-mode squeezed light source. We show that strong coupling ofplasmons to the incoming light source and the pairwise nature of squeezedphoton generation enable the formation of entanglement between the initiallyunexcited quantum dots. The entanglement of quantum dots, measured asconcurrence, can be improved replacing a pulsed source of light to continuouspumping of squeezed photons. Unlike previously introduced schemes theconcurrence is robust against variations in the system parameters.Specifically, the generation of entanglement does not rely on fine tuning ofplasmon quantum dot coupling. This work provides a new perspective for robustentangled state preparation in open quantum systems.

Generation of Robust Entanglement in Plasmonically Coupled Quantum Dots Driven by Quantum Squeezed Light