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    • 1. 发明申请
    • OPTICAL INTERCONNECT
    • 光学互连
    • WO2009017771A2
    • 2009-02-05
    • PCT/US2008/009226
    • 2008-07-30
    • HEWLETT-PACKARD DEVELOPMENT COMPANY, L. P.FATTAL, DavidBICKNELL, RobertSANTORI, CharlesWU, Wei
    • FATTAL, DavidBICKNELL, RobertSANTORI, CharlesWU, Wei
    • G02B6/36G02B6/38
    • H04B10/803
    • An optical interconnect (100, 200, 300, 400, 445) includes a first circuit board (140, 260, 350, 405) having an optical source (110, 210, 240, 305, 440) and an optical receiver (125, 220, 235, 315, 441); and a second circuit board (145, 265, 355, 410) having data source (105, 205, 250) and an optical modulator (225, 230, 310, 425, 430, 435) optically coupled with the optical source (110, 210, 240, 305, 440) and optical receiver (125, 220, 235, 315, 441), wherein the optical modulator (225, 230, 310, 425, 430, 435) is configured to encode data from the data source (105, 205, 250) into an optical signal from the optical source (110, 210, 240, 305, 440). The optical receiver (125, 220, 235, 315, 441) is configured to receive the optical signal from the optical modulator (225, 230, 310, 425, 430, 435). A method of optical communication includes generating on a first circuit board (140, 260, 350, 405) an optical signal directed at a second circuit board (145, 265, 355, 410); modulating the optical signal with data at the second circuit board (145, 265, 355, 410); reflecting the optical signal to the first circuit board (140, 260, 350, 405); and demodulating the optical signal to receive the data at the first circuit board (140, 260, 350, 405).
    • 一种光学互连(100,200,300,400,445)包括具有光源(110,210,240,305,440)的第一电路板(140,260,350,405) )和光接收器(125,220,235,315,441); 以及具有数据源(105,205,250)和光学耦合于所述光源(110,115)的光调制器(225,230,310,425,430,435)的第二电路板(145,265,355,410) ,其中所述光调制器(225,230,310,425,430,435)被配置为对来自所述数据源的数据进行编码( 105,205,250)转换成来自光源(110,210,240,305,440)的光信号。 光接收器(125,220,235,315,441)被配置为从光调制器(225,230,310,425,430,435)接收光信号。 一种光通信的方法包括在第一电路板(140,260,350,405)上产生指向第二电路板(145,265,355,410)的光信号; 用第二电路板(145,265,355,410)处的数据调制光信号; 将光信号反射到第一电路板(140,260,350,405); 以及解调光信号以在第一电路板(140,260,350,405)处接收数据。
    • 3. 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。