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    • 81. 发明授权
    • Hybrid integrated source of polarization-entangled photons
    • 混合集成光源的极化纠缠光子
    • US07489436B1
    • 2009-02-10
    • US11900347
    • 2007-09-11
    • Marco FiorentinoRaymond G. Beausoleil
    • Marco FiorentinoRaymond G. Beausoleil
    • G02F1/35H01S3/10
    • G02F1/39G02F2001/3503
    • Various embodiments of the present invention are directed to systems configured to generate polarization-entangled photons. In one embodiment of the present invention, a polarization-entangled photon source comprises a down conversion crystal having a first waveguide and a second waveguide, a dielectric spacer positioned adjacent to the down conversion crystal and configured to receive electromagnetic radiation emitted from the first waveguide, and a half-wave plate positioned adjacent to the down conversion crystal and configured to receive electromagnetic radiation emitted from the second waveguide. The polarization-entangled photon source also includes a beam displacer positioned adjacent to the dielectric spacer and the half-wave plate and configured to combine the electromagnetic radiation output from the dielectric spacer and the half-wave plate into a single beam of electromagnetic radiation.
    • 本发明的各种实施例涉及被配置为产生偏振纠缠的光子的系统。 在本发明的一个实施例中,偏振纠缠的光子源包括具有第一波导和第二波导的下变频晶体,与下变换晶体相邻的电介质间隔物,其被配置为接收从第一波导发射的电磁辐射, 以及与所述下变频晶体相邻定位并被配置为接收从所述第二波导发射的电磁辐射的半波片。 极化纠缠的光子源还包括一个位于邻近电介质间隔物和半波片的波束置换器,并配置成将从电介质隔离物和半波片输出的电磁辐射组合成单个电磁辐射束。
    • 83. 发明申请
    • Self-authenticating quantum random bit generators
    • 自认证量子随机位发生器
    • US20080147759A1
    • 2008-06-19
    • US11787903
    • 2007-04-17
    • Marco FiorentinoRaymond G. BeausoleilSean M. SpillaneRobert Newton Bicknell
    • Marco FiorentinoRaymond G. BeausoleilSean M. SpillaneRobert Newton Bicknell
    • G06F7/58
    • G06F7/588B82Y10/00G06N10/00H04L9/0662H04L9/0858H04L9/32
    • Various embodiments of the present invention are directed to self-authenticating, quantum random bit generators that can be integrated into an optoelectronic circuit. In one embodiment, a quantum random bit generator comprises a transmission layer that includes an electromagnetic radiation source coupled to a waveguide branching into a first, second, and third waveguides. The radiation source generates pulses of electromagnetic radiation in a first polarization state. Polarization rotators 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 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涉及可以集成到光电子电路中的自认证量子随机位发生器。 在一个实施例中,量子随机位发生器包括传输层,其包括耦合到分支到第一,第二和第三波导中的波导的电磁辐射源。 辐射源产生处于第一偏振状态的电磁辐射脉冲。 极化旋转器可操作地耦合到第二和第三波导并且将在第二波导中传输的脉冲旋转成第二偏振状态,并将在第三波导中传输的脉冲旋转到第三偏振状态。 系统控制基于在第一波导中发送的脉冲的基于偏振的状态产生比特序列,并且基于第二和第三脉冲的基于极化的基础状态来进行层析成像地验证序列的随机性。
    • 90. 发明授权
    • Entanglement process
    • 纠缠过程
    • US08817254B2
    • 2014-08-26
    • US13284536
    • 2011-10-28
    • Charles M. SantoriKai-Mei FuAndrei FaraonVictor M. AcostaZhihong HuangRaymond G. Beausoleil
    • Charles M. SantoriKai-Mei FuAndrei FaraonVictor M. AcostaZhihong HuangRaymond G. Beausoleil
    • G01N21/65G06N99/00
    • G06N99/002B82Y10/00
    • A process for entangling quantum states of respective quantum systems measures electromagnetic radiation emitted from a first system and from a second system. The two systems are exposed to excitation radiation having a probability per time of producing a photon, and an interference element is coupled to receive photons from the first and second systems. The process further includes measuring a time during which the first and second systems were exposed to the excitation radiation before a photon is detected on either output channel of the interference element and applying an electromagnetic pulse that causes a relative phase shift of a portion of a quantum state of the first and second systems. Parameters of the electromagnetic pulse are selected based on measurements of the electromagnetic radiation from the first and second systems and the time measured.
    • 用于纠缠相应量子系统的量子态的过程测量从第一系统和第二系统发射的电磁辐射。 两个系统暴露于具有产生光子的时间概率的激发辐射,并且耦合干涉元件以接收来自第一和第二系统的光子。 该过程还包括测量在干扰元件的任一输出通道上检测到光子之前第一和第二系统暴露于激发辐射的时间,并且施加电磁脉冲,该电磁脉冲引起量子的一部分的相对相移 第一和第二系统的状态。 基于来自第一和第二系统的电磁辐射的测量和测量的时间来选择电磁脉冲的参数。