期刊
IEEE COMMUNICATIONS LETTERS
卷 27, 期 3, 页码 787-791出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2023.3236067
关键词
Protocols; Calibration; Receivers; Costs; Tomography; Quantum channels; Quantum state; Quantum communication; blind calibration; privacy preservation
To reduce noise in quantum channels, calibration is used to minimize error by adjusting the devices. A simple protocol is proposed to hide the calibration states and cost function from the receiver while allowing efficient calibration, thus increasing the protocol's privacy. Numerical results demonstrate the effectiveness of the protocol under different channel noise parameters and communication scenarios.
To mitigate the noise in quantum channels, calibration is used to tune the devices to minimize error. Generally, calibration is performed by transmitting pre-agreed-upon calibration states and determining an error cost so the two parties can tune their devices accordingly. The calibration states can be the same ones used for the desired protocol, and so an untrusted party could potentially learn which protocol is being performed by gathering knowledge of the calibration states and cost function. Here, we assume privacy of the protocol is the goal and therefore the receiver should not be allowed to determine the protocol states. We limit the information that is revealed to the receiver, and in this regard, we propose a simple protocol that hides the calibration states and cost function from the receiver, but still allows for calibration to be performed efficiently, thereby increasing the privacy of the protocol. We show various numerical results demonstrating the ability of the protocol under various channel noise parameters and communication scenarios.
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