Integrated non-terrestrial and terrestrial quantum networks

Quantum networks towards the so-called Quantum Internet (QI) are the ultimate target in quantum communications, where many connected users can share information carried by quantum systems. QI will improve functional benefits and enable applications with no direct counterpart in the classical Internet in the very near future thanks to the advance of new quantum technologies to the engineering phase. The keystones of such structures are the reliable generation, transmission, and manipulation of quantum states