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    • 101. 发明授权
    • Photonic-interconnect systems for reading data from memory cells and writing data to memory integrated circuits
    • 用于从存储器单元读取数据并将数据写入存储器集成电路的光子互连系统
    • US07466884B2
    • 2008-12-16
    • US11582088
    • 2006-10-17
    • Raymond G. Beausoleil
    • Raymond G. Beausoleil
    • G02B6/30H03M1/22
    • G02B6/1225B82Y20/00G02B6/12007G02B6/42G02B6/43H04B10/801
    • Various embodiments of the present invention are related to photonic-interconnect systems for reading data from and writing data to memory cells of memory chips at approximately the same time. In one embodiment of the present invention, A photonic-interconnect system comprises a photonic interconnect coupled to a photonic device. The photonic interconnect is coupled to the memory chip and is configured to encode a first data set stored in the memory cells into a first set of electromagnetic signals at approximately the same time, decode a second data set encoded in a second set of electromagnetic signals at approximately the same time, and store the second data set in the memory cells. The photonic device is configured to transmit the first set of electromagnetic signals out from the photonic interconnect and transmit the second set of electromagnetic signals into the photonic interconnect.
    • 本发明的各种实施例涉及用于从大约相同的时间读取数据和将数据写入存储器芯片的存储单元的光互连系统。 在本发明的一个实施例中,A光子互连系统包括耦合到光子器件的光子互连。 光子互连耦合到存储器芯片,并被配置为将存储在存储器单元中的第一数据集大致同时地编码成第一组电磁信号,对第二组电磁信号编码的第二数据集进行解码 大致相同的时间,并将第二数据集存储在存储单元中。 光子器件被配置为从光子互连传输第一组电磁信号,并将第二组电磁信号传输到光子互连中。
    • 106. 发明授权
    • Nonlinear optical frequency converter
    • 非线性光学变频器
    • US5247389A
    • 1993-09-21
    • US899652
    • 1992-06-15
    • Raymond G. Beausoleil
    • Raymond G. Beausoleil
    • G02F1/37H01S3/108
    • G02F1/37
    • A general method which extends quadrature techniques to Type I nonlinear optical parametric interactions. In one embodiment, a pair of either uniaxial or biaxial birefringent nonlinear optical crystal elements are serially arranged and oriented so that each crystallographic axis in one conversion means is parallel to the corresponding axis in the second conversion means. Two colinear input fundamental laser fields with parallel polarizations propagate through both crystals, generating a sum-frequency output field. Between the two crystals, a harmonic waveplate is inserted that rotates only the polarization of the sum-frequency field generated in the first conversion means by 90.degree. about its propagation axis. The net polarization rotation of each of the two residual fundamental waves which remain after the interaction in the first conversion means is zero. Therefore, the fundamental waves remain correctly polarized for efficient nonlinear optical conversion in the second conversion means, while the sum-frequency wave is no longer correctly phase-matched for back-conversion. Precise phase-matching may be accomplished either by tilting the assembly about its angularly sensitive axis ("critical" phase-matching) or by adjusting the temperature of the crystals ("non critical" phase-matching). In general, the polarization of the sum-frequency output field will be elliptical, but it can be linearized by tilting the assembly about its angularly insensitive axis.
    • 将正交技术扩展到I型非线性光学参数相互作用的一般方法。 在一个实施例中,一对单轴或双轴双折射非线性光学晶体元件被串联布置和取向,使得一个转换装置中的每个晶轴平行于第二转换装置中的相应轴。 具有并联极化的两个共线输入基本激光场通过两个晶体传播,产生和频输出场。 在两个晶体之间,插入谐波波片,其仅使第一转换装置中产生的和频场的极化相对于其传播轴旋转90°。 在第一转换装置中的相互作用之后残留的两个残余基波中的每一个的净极化旋转为零。 因此,在第二转换装置中,基波对于有效的非线性光学转换保持正确极化,而和频不再正确相位匹配用于反向转换。 可以通过围绕其角度敏感轴(“临界”相位匹配)倾斜组件或通过调整晶体的温度(“非关键”相位匹配))来实现精确的相位匹配。 一般来说,和频输出场的极化将是椭圆形,但是可以通过围绕其角度不灵敏轴倾斜组件来线性化。