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We study the emergence of bipartite entanglement between a pair of spinsweakly connected to the ends of a linear disordered $XY$ spin-1/2 channel. Weanalyze how their concurrence responds to structural and on-site fluctuationsembodied by long-range spatially-correlated sequences. We show that theend-to-end entanglement is very robust against disorder and asymmetries in thechannel provided that the degree of correlations are strong enough and bothentangling parties are tuned accordingly. Our results offer furtheralternatives in the design of stable quantum communication protocols viaimperfect channels.

Entanglement generation between distant parties via disordered spin chains