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    • 8. 发明授权
    • Method and system utilizing quantum authentication
    • 使用量子认证的方法和系统
    • US08311224B2
    • 2012-11-13
    • US12253256
    • 2008-10-17
    • Zhihong ChenJingyi Wang
    • Zhihong ChenJingyi Wang
    • H04L29/06
    • A63B23/04A63B7/00A63B21/0055A63B21/0455A63B21/055A63B21/169A63B22/0002A63B22/0005A63B22/0605A63B22/14A63B22/16A63B22/18A63B23/03508A63B23/03541A63B23/0488A63B23/08A63B26/003A63B69/0057A63B71/0009A63B2022/0038A63B2023/003A63B2023/0452A63B2071/0018A63B2208/0204A63B2208/0209A63B2220/10A63B2220/13A63B2220/30A63B2220/40A63B2225/09A63B2230/06A63B2230/75
    • A system and a method with quantum cryptography authentication. The system includes an optical link connecting a sender and a receiver. The sender transmitting a first optical pulse and a second optical pulse having a defined time delay therebetween. The first pulse is modulated with a first authentication phase shift; and the second pulse is modulated with phases selected from one basis of two non-orthogonal bases, and encoded with one of two orthogonal states within the one basis based on an information of the sender, and with a second authentication phase shift. The receiver includes a splitter receiving and splitting the first and the second pulse into pulses of interest. The split pulses of interest are modulated with the first authentication phase shift; and the second authentication phase shift, respectively. The receiver includes a second coupler whereby the split pulses of interest arrive at the second coupler simultaneously. The receiver includes a first set of detectors receiving the combined pulses, which determine the one basis of the two non-orthogonal bases; and a second set of detectors receiving the combined pulses, and determine the one of the two orthogonal states within the basis and thereby decoding the information of the sender.
    • 一种具有量子加密认证的系统和方法。 该系统包括连接发送器和接收器的光学链路。 发送方发送第一光脉冲和第二光脉冲,其间具有限定的时间延迟。 用第一认证相移调制第一个脉冲; 并且第二脉冲以从两个非正交基底的一个基础中选择的相位进行调制,并且基于发送器的信息在一个基础中的两个正交状态之一进行编码,并且具有第二认证相移。 接收机包括一个接收和分离第一和第二脉冲到脉冲的分路器。 利用第一认证相位调制感兴趣的分离脉冲; 和第二认证相移。 接收机包括第二耦合器,由此感兴趣的分离脉冲同时到达第二耦合器。 接收机包括接收组合脉冲的第一组检测器,其确定两个非正交基底的一个基础; 以及接收组合脉冲的第二组检测器,并确定基准内的两个正交状态中的一个,从而解码发送器的信息。