A resonator–qubit system consisting of three resonators and two qubits is shown to enable a perfect swap and a faithful transfer of arbitrary unknown quantum states of photons, providing a much-needed building block for quantum information processing and quantum communication.

中文翻译：

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完美交换和转移任意量子态

显示了一个由三个谐振器和两个量子位组成的谐振器-量子位系统，可以实现完美的交换并忠实传输光子的任意未知量子态，从而为量子信息处理和量子通信提供了急需的构造块。