  Multicore fibres are recently gaining considerable attention in the context
of quantum communication tasks, where their capability to transmit multiple
quantum states along different cores of the same channel make them a promising
candidate for the implementation of scalable quantum networks. Here, we show
that multicore fibres can be effectively used not only for the scope of
communication but also for the generation of entangled states. By exploiting
the formalism of completely positive trace preserving maps, we describe the
action of a multicore fibre as a quantum channel and propose a protocol to
implement bound entangled states of two qudits. Notably, the presence of
crosstalk among the cores of the fibre is fundamental for the generation of
such states.
