Source: China – South China Morning PostChina has tested how the core components of a quantum-based network might withstand the rigours of space travel, in what is believed to be the start of efforts to build an integrated space-ground system for ultra-secure communications that do not need encryption keys.
A laser module and a phase encoding device, developed at the Beijing Academy of Quantum Information Sciences, were on board a Yuanxingzhe-1 rocket that reached 2.5km (1.55 miles) during a two-minute vertical flight testing its…Read More