An ambitious quantum entanglement experiment launched aboard China’s Quantum Science Experiment Satellite last year has proven to be a success, having successfully transmitted pairs of entangled photons to two facilities on the ground 750 miles apart. The success of this experiment means that the quantum-based encryption of long-distance transmitted information will be possible using satellites of this nature.
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 Researchers from The Australian National University (ANU) have developed a method of freezing and storing light, an important step on the road to developing quantum computers. Most switches used in quantum computing experiments are made up of trapped ions or semiconductor particles, suspended in a state of quantum superposition. Photons, however, could interface much more efficiently with fiber optic networks, without the need for a way to translate the information between the qubit — the quantum-computing equivalent of a classical computer bit — and the computer’s network or interface.
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