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Quantum secure data transfer with pulse shape encoded optical qubits

机译：量子安全数据传输脉冲形状编码的光学量子比特

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摘要

Quantum secure data transfer is an important topic for quantum cyber security. We propose a scheme to realize quantum secure data transfer in the basis of quantum secure direct communication (QSDC). In this proposal, the transmitted data is encoded in the pulse shape of a single optical qubit, which is emitted from a trapped atom owned by the sender and received by the receiver with another trapped atom. The encoding process can be implemented with high fidelity by controlling the time-dependent driving pulse on the trapped atom to manipulate the Rabi frequency in accordance with the target pulse shape of the emitted photons. In the receiving process, we prove that, the single photon can be absorbed with arbitrary probability by selecting appropriate driving pulse. We also show that, based on the QSDC protocol, the data transfer process is immune to the individual attacks.
机译：量子安全数据传输是一个重要的话题量子网络安全。实现量子安全数据传输量子安全直接通信的基础(QSDC)。编码在一个光的脉冲波形量子位,困原子发出所有由发送方和接收的接收方另一个被困的原子。用高保真通过控制实现时间驱动脉冲捕获原子操纵拉比频率一致与目标发出的脉冲波形光子。单光子可以与任意的吸收概率通过选择合适的驱动脉搏。协议,数据传输过程是免疫的个人攻击。

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