This protocol depends on multipartite entanglement, so it does seem quite far away from being practical for anything yet.
If quantum routers were a solved problem and we had a quantum internet (last I checked, we do not), for this we would also need some form of 'coherent multicast routing'.
This protocol depends on multipartite entanglement, so it does seem quite far away from being practical for anything yet.
If quantum routers were a solved problem and we had a quantum internet (last I checked, we do not), for this we would also need some form of 'coherent multicast routing'.