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    • 58. 发明申请
    • SELF-AUTHENTICATING QUANTUM RANDOM BIT GENERATORS
    • 自认证量子随机位发生器
    • WO2007124088A2
    • 2007-11-01
    • PCT/US2007/009708
    • 2007-04-20
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L. P.FIORENTINO, MarcoBEAUSOLEIL, RaymondSPILLANE, SeanBICKNELL, Robert
    • FIORENTINO, MarcoBEAUSOLEIL, RaymondSPILLANE, SeanBICKNELL, Robert
    • G06F7/58
    • G06F7/588B82Y10/00G06N99/002H04L9/0662H04L9/0858H04L9/32
    • Various embodiments of the present invention are directed to self-authenticating, quantum random bit generators that can be ingrated into an optoelectric circuit. In one embodiment, a quantum random bit generator (1100, 1400) comprises a transmission layer that includes an electromagnetic radiation source (1106, 1406, 1412) coupled to a waveguide (1108, 1414) branching into a first (1111), second (1110), and third (1112) waveguides. The radiation source generates pulses of electromagnetic radiation in a first polarization state. Polarization rotators (1114-1117) are operably coupled to the second and third waveguides and rotate pulses transmitted in the second waveguide into a second polarization state and rotate pulses transmitted in the third waveguide into a third polarization state. The system control (1104) generates a sequence of bits based on polarization basis states of the pulses transmitted in the first waveguide, and tomographically authenticates randomness of the sequence based on polarization basis states of the second and third pulses.
    • 本发明的各种实施例针对可以嵌入到光电电路中的自我认证的量子随机位发生器。 在一个实施例中,量子随机位发生器(1100,1400)包括传输层,该传输层包括耦合到波导(1108,1414)的电磁辐射源(1106,1406,1412),该波导分支成第一(1111),第二 1110)和第三(1112)波导。 辐射源产生处于第一偏振态的电磁辐射脉冲。 偏振旋转器(1114-1117)可操作地耦合到第二和第三波导,并将在第二波导中传输的脉冲旋转到第二偏振状态,并将在第三波导中传输的脉冲旋转到第三偏振状态。 系统控制(1104)根据在第一波导中传输的脉冲的偏振基本状态产生一系列比特,并且根据第二和第三脉冲的偏振基本状态断层扫描验证序列的随机性。