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    • 2. 发明申请
    • SINGLE-PARTICLE QUANTUM-ENHANCED SECRET SHARING
    • 单粒子量子增强的秘密共享
    • WO2006074153A2
    • 2006-07-13
    • PCT/US2006/000072
    • 2006-01-03
    • MAGIQ TECHNOLOGIES, INC.BOURENNANE, MohamedKURTSIEFER, ChristianSCHMID, ChristianTROJEK, PavelWEINFURTER, HaraldZUKOWSKI, Marek
    • BOURENNANE, MohamedKURTSIEFER, ChristianSCHMID, ChristianTROJEK, PavelWEINFURTER, HaraldZUKOWSKI, Marek
    • H04K1/00
    • H04L9/0858
    • A single-particle quantum-enhanced secret sharing (QESS) system (10) and protocol (method) are disclosed. The system includes a distributor (D) that prepares single-particle qubits, such as photons (Y), in one of a number of possible initial states, such as an initial polarization states. The distributor then distributes the qubits to each of a number recipients (RJ) that each randomly encodes the qubit with encoding states that fall into one of two encoding classes. The final state of the qubit is then measured by an encoded-state analyzer (86). Each recipient shares the encoding class used to encode the qubit, which allows the distributor to establish which distributions of qubits constitute valid runs (VR) resulting in correlated and anti-correlated qubit measurements. The recipients share their encoding information with one another for the valid runs to establish the distributor's initial encoded state, which represents corresponding logical states (e.g., 0 and 1). The collective sharing among the parties allows the parties to share a secret message (information).
    • 公开了单粒子量子增强秘密共享(QESS)系统(10)和协议(方法)。 该系统包括分配器(D),其在诸如初始偏振态的许多可能的初始状态之一中准备单粒子量子比特,诸如光子(Y)。 分配器然后将量子位分配给每个数字接收者(RJ),每个接收者(RJ)随机地编码具有落入两个编码类别之一中的编码状态的量子位。 然后通过编码状态分析器(86)测量量子位的最终状态。 每个接收者共享用于对量子位进行编码的编码类,这允许分配者确定哪些量子位分布构成有效运行(VR),导致相关和反相关量子位测量。 接收者彼此共享它们的编码信息以用于有效运行以建立代表相应逻辑状态(例如0和1)的分发者的初始编码状态。 各方之间的集体共享允许双方共享秘密信息(信息)。