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    • 4. 发明公开
    • Optical chip interlayer optical connector
    • Optische Schaltung mit einer vertikalen optischen Verbindung zwischen Schichten
    • EP1637906A1
    • 2006-03-22
    • EP05255605.7
    • 2005-09-14
    • LUCENT TECHNOLOGIES INC.
    • Madsen, Christi Kay
    • G02B6/12
    • G02B6/12002G02B6/2813
    • Light is coupled between two or more layers of light guides in an optical chip (100) at a desired connection point by interconnecting the light guides (105,109) of each layer at the desired connection point using an "optical via" (107). The optical via (107) is located between the light guides (105,109) being connected in the layer that otherwise operates to insulate the layers containing the light guides (105,109). Such an optical via (107) may be made of a material that has an index of refraction that is conducive to optically coupling between the light guides. The geometry of the interconnection at the optical via (107) is arranged so that the light traveling in one of the light guides (105,109) reimages itself across the optical via (107) and continues traveling in the other of the light guides (105,109), for instance when the overlapping portion of the light guides (105,109) and the optical via operates as a multimode wave guide.
    • 通过使用“光通孔”(107)将期望的连接点处的每个层的光导(105,109)互连在一起,在期望的连接点处将光耦合在光学芯片(100)中的两层或更多层光导之间。 光通孔(107)位于光导件(105,109)之间,所述光导件(105,109)被连接在所述层中,否则其操作以使包含光导(105,109)的层绝缘。 这种光通孔(107)可以由具有有利于光导之间光学耦合的折射率的材料制成。 在光通孔(107)处的互连的几何形状被布置成使得在其中一个光导(105,109)中行进的光自身越过光通孔(107),并且在另一个光导(105,109)中继续行进, 例如当光导(105,109)和光通孔的重叠部分作为多模波导引起时。
    • 7. 发明公开
    • Polarization mode dispersion measurement using phase-sensitive sideband detection
    • Polarisationsmodendispersionsmessung mit phasenempfindlicher Seitenbanddetection
    • EP1133086A2
    • 2001-09-12
    • EP01301718.1
    • 2001-02-26
    • LUCENT TECHNOLOGIES INC.
    • Madsen, Christi Kay
    • H04B10/18
    • H04B10/2569
    • A polarization mode dispersion (PMD) measuring arrangement utilizes a tapped-off portion of a signal that has experienced dispersion (such as, for example, propagating through a dispersive optical fiber). The measuring arrangement utilizes a phase-sensitive single sideband detection circuit in conjunction with a polarization beam splitter to generate magnitude and phase information for the lower and upper sidebands of each polarization of the received signal. The magnitude and phase information collected at a single frequency can be used to determine the polarization mode dispersion, eliminating the need to sweep the center frequency of the received optical signal to generate the PMD measurement.
    • 偏振模色散(PMD)测量装置利用已经经历色散​​(例如,通过分散光纤传播)的信号的抽头部分。 测量装置利用与偏振分束器相结合的相敏单边带检测电路,以产生接收信号的每个极化的下边缘和上边带的幅度和相位信息。 在单个频率处收集的幅度和相位信息可用于确定偏振模色散,消除了扫描接收的光信号的中心频率以产生PMD测量的需要。
    • 9. 发明公开
    • Optical space switches using multiport couplers
    • Optische Raumkoppelfelder mit Mehrtor-Kopplern
    • EP1030533A1
    • 2000-08-23
    • EP00301037.8
    • 2000-02-09
    • Lucent Technologies Inc.
    • Madsen, Christi KaySoole, Julian Bernard Soole
    • H04Q11/00
    • H04Q11/0001
    • The present invention provides NxN non-blocking switch modules using MMI-based switch elements. The arrangement requires a minimum of control elements to effect switching and uses no crossings of the signal waveguides. The switch control settings may be determined by following a simple and transparent algorithm for the set-up procedure. Very high-order switch fabrics comprising a variety of the taught non-blocking NxN switch modules are envisaged. Determination of the appropriate values for 'N' is a practical consideration which trades-off the performance of the individual switch modules with the complexity required of the associated module interconnection fabric. The spatial switch fabrics that may by built from the non-blocking MMI-based switch arrangements may be combined with both wavelength-division switches and time-division switches to form any combination of higher order space-wavelength-time switch.
    • 本发明提供了使用基于MMI的开关元件的NxN非阻塞开关模块。 该布置需要最少的控制元件来实现切换并且不使用信号波导的交叉。 开关控制设置可以通过遵循用于设置过程的简单和透明的算法来确定。 设想了包括各种教导的非阻塞NxN开关模块的非常高阶的开关结构。 确定“N”的适当值是一个实际的考虑因素,可以降低各个交换机模块的性能,同时具有相关模块互连结构所需的复杂性。 可以通过基于非阻塞MMI的交换机布置构建的空间交换结构可以与波长分割交换机和时分交换机组合以形成高阶空间波长时间交换机的任何组合。