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自从量子纠缠态及隐性传态理论提出以来,量子纠缠技术和隐性传态技术得到了迅速发展。量子隐性传态在技术上保证了量子通信的绝对安全,量子隐性传态是基于量子纠缠交换提出的。文章阐述了量子隐形传态及量子纠缠交换的基本理论,给出了一种基于Bell态实现量子纠缠交换的量子回路,该回路结构简单,易于实现。
Since the theory of quantum entanglement and implicit transmission theory has been put forward, the quantum entanglement technology and implicit transmission technology has been rapidly developed. Quantum teleportation technically guarantees the absolute security of quantum communication. The quantum teleportation is based on quantum entanglement exchange. The article expounds the basic theory of quantum teleportation and quantum entanglement exchange, and presents a quantum circuit based on Bell states to realize quantum entanglement exchange. The circuit is simple and easy to implement.