How­ev­er, one prob­lem remains: these states are frag­ile and can be eas­i­ly destroyed.
Quan­tum tech­nolo­gies can help cir­cum­vent these “light trans­mis­sion loss­es” by using quan­tum mem­o­ries and entan­gle­ment to replace direct opti­cal links between the tele­scopes, there­by increas­ing the dis­tances between them. In the most direct approach, the sig­nal could be stored in atom­ic states or qubits. How­ev­er, one prob­lem remains: these states are frag­ile and can be eas­i­ly destroyed.