CAJ | 학술논문

提出了一种基于诱骗态的广域量子安全直接通信网络方案.在每一个局域网中设置一个服务器负责量子态的产生和测量,从而提高了通信距离;将诱骗态的思想引入量子安全直接通信,采用不同的强度发送光脉冲,能够克服光子数目分割攻击,从而提高通信的安全性;根据信道参量估计了不同通信距离的通过率,为信道编码提供了依据.对所提方案进行了安全性分析,结果表明此方案能够实现远距离量子安全直接通信.
제출료일충기우유편태적엄역양자안전직접통신망락방안.재매일개국역망중설치일개복무기부책양자태적산생화측량,종이제고료통신거리;장유편태적사상인입양자안전직접통신,채용불동적강도발송광맥충,능구극복광자수목분할공격,종이제고통신적안전성;근거신도삼량고계료불동통신거리적통과솔,위신도편마제공료의거.대소제방안진행료안전성분석,결과표명차방안능구실현원거리양자안전직접통신.
A scheme for wide-area Quantum Secure Direct Communication (QSDC) Network based on decoy states is proposed.A server which is used to prepare and measure photons,is set in each local area network,so the communication distance increases.In addition,the idea of decoy states,which is to send photon pulses of different intensities to detect Photon Number Splitting (PNS) attack,is introduced to QSDC to improve the security of the communication.And,the transmission probability is estimated based on the channel parameter,which can be used as a reference for channel coding.Security analysis result shows that this protocol can be used to realize long distance QSDC.