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    • 6. 发明授权
    • Multichannel tunable optical dispersion compensator
    • 多通道可调谐光学色散补偿器
    • US08818193B2
    • 2014-08-26
    • US12569134
    • 2009-09-29
    • Fan ChenYongkang HuZhenli WenDongshen HanFahua LanKevin Dapeng Zhang
    • Fan ChenYongkang HuZhenli WenDongshen HanFahua LanKevin Dapeng Zhang
    • H04J14/02H04B10/00H04B10/12H04B10/04
    • H04B10/25133G02B6/272G02B6/29358G02B6/29394G02B6/29395
    • An embodiment of the invention includes a tunable optical dispersion compensator (TODC) comprising a first beam displacer on an optical path, wherein the first beam displacer separates an optical signal into a first beam and a second beam, and one or more polarizing beam splitters on the optical path, wherein the one or more polarizing beam splitters keep the first beam and the second beam on the optical path. The TODC also comprises one or more etalons on the optical path, wherein the one or more etalons are tunable to introduce a group delay in the first beam and the second beam, and a reflecting mirror on the optical path, wherein the reflecting mirror returns the optical signal back along the optical path. The TODC further comprises a second beam displacer, wherein the second beam displacer combines the first beam and the second beam into an output optical signal.
    • 本发明的一个实施例包括一个可调谐光学色散补偿器(TODC),其包括光路上的第一光束置换器,其中第一光束置换器将光信号分离成第一光束和第二光束,以及一个或多个偏振分束器 所述光路,其中所述一个或多个偏振分束器将所述第一光束和所述第二光束保持在所述光路上。 TODC还包括光路上的一个或多个标准具,其中一个或多个标准具可调谐以在第一光束和第二光束中引入群延迟,以及在光路上引入反射镜,其中反射镜返回 光信号沿光路返回。 TODC还包括第二光束置换器,其中第二光束置换器将第一光束和第二光束组合成输出光信号。
    • 7. 发明授权
    • System and methods for controlling properties of nanojunction devices
    • 用于控制纳米结器件性能的系统和方法
    • US08196218B2
    • 2012-06-05
    • US12414069
    • 2009-03-30
    • Bingqian XuFan Chen
    • Bingqian XuFan Chen
    • G01Q60/40
    • G01Q60/30G01Q60/40
    • An exemplary, highly integrated, SPM-based system for measuring the conductivity and/or force of substance under programmable engaging/stretching processes is described. A sample bias is applied across two electrodes. A substance to be measured is sandwiched between them. A first electrode is first brought relative to a second electrode (engaging) in programmable pathways that can be described as stretching distance versus time curves. The process of engaging the electrodes continues until a certain current reached, a certain force reached and whichever case happens first. The electrodes are then separated (stretching) in programmable pathways that can be described as stretching distance versus time curves. A periodic modulation can be applied to the engaging/stretching process to realize different stretch pathways. The sample bias across the electrodes is kept constant or swept in a programmable shape over time, described as a voltage-versus time curve. The conductivity, engaging/stretching distance, and/or force are measured simultaneously.
    • 描述了用于在可编程接合/拉伸过程下测量物质的导电性和/或力的示例性,高度集成的基于SPM的系统。 样品偏置被施加在两个电极上。 被测物质夹在它们之间。 首先将第一电极相对于可描述为拉伸距离与时间曲线的可编程路径中的第二电极(接合)相接触。 接合电极的过程继续进行直到达到一定电流,达到一定的力并且首先发生任何情况。 然后在可编程路径中分离(拉伸)电极,可以描述为拉伸距离对时间曲线。 周期调制可以应用于接合/拉伸过程以实现不同的拉伸路径。 跨越电极的样品偏置保持恒定或随时间扫描为可编程形状,被描述为电压对时间曲线。 同时测量电导率,接合/拉伸距离和/或力。
    • 9. 发明申请
    • OPTICAL INTERLEAVER AND DEINTERLEAVER
    • 光学交互和去除
    • US20110069959A1
    • 2011-03-24
    • US12565668
    • 2009-09-23
    • Fan ChenZhenli WenFahua LanKevin Dapeng Zhang
    • Fan ChenZhenli WenFahua LanKevin Dapeng Zhang
    • H04J14/02
    • G02B6/29386G02B6/29362
    • Optical interleavers and deinterleavers. In one example embodiment, an optical deinterleaver includes first, second, and third filter cells interleaved with first and second waveplates. The filter cells are configured to filter optical signals propagating on first, second, and third paths of an optical loop. The optical deinterleaver also includes a retro reflector optically coupled with the filter cells and waveplates. The retro reflector is configured to reflect the optical signals between the first path and the second and third paths to form the optical loop. The optical deinterleaver further includes first, second, and third single-fiber collimators optically coupled to the first, second, and third paths of the optical loop, respectively.
    • 光交织器和解交织器。 在一个示例实施例中,光学去交织器包括与第一和第二波片交错的第一,第二和第三滤波器单元。 滤波器单元被配置为滤波在光环路的第一,第二和第三路径上传播的光信号。 光学去交织器还包括与滤波器单元和波片光学耦合的回射反射器。 后向反射器被配置为反射第一路径和第二和第三路径之间的光信号以形成光环路。 光学去交织器还包括分别光耦合到光环路的第一,第二和第三路径的第一,第二和第三单光纤准直器。