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    • 1. 发明授权
    • MEMS-based polarization mode dispersion compensator
    • 基于MEMS的偏振模色散补偿器
    • US06483957B1
    • 2002-11-19
    • US09771765
    • 2001-01-29
    • Mike E. HamerlyRobert G. SmithTerry L. SmithSilva K. TheissBilly L. Weaver
    • Mike E. HamerlyRobert G. SmithTerry L. SmithSilva K. TheissBilly L. Weaver
    • G02B600
    • H04B10/2569
    • A polarization mode separator separates the optical signal into a first polarized signal and a second differently polarized signal traveling along respective first and second paths. A first variable delay generator located along the first path is adapted to selectively provide a first propagation delay to the first polarized signal. The first variable delay generator includes at least two rotating micro-mirrors and one or more fixed mirrors constructed on a surface of a substrate. A controller is coupled to the first variable delay generator. The controller is adapted to monitor the polarization mode dispersion in the optical signal and to position the rotating micro-mirrors to direct the first polarized signal along one of the plurality of optical paths. A beam combiner combines the first and second signals to form an optical output signal substantially compensated for polarization mode dispersion.
    • 偏振模式分离器将光信号分离为沿着相应的第一和第二路径行进的第一偏振信号和第二不同偏振信号。 沿着第一路径设置的第一可变延迟发生器适于选择性地向第一偏振信号提供第一传播延迟。 第一可变延迟发生器包括至少两个旋转微镜和构造在衬底的表面上的一个或多个固定反射镜。 控制器耦合到第一可变延迟发生器。 控制器适于监测光信号中的偏振模色散,并使旋转的微镜定位以沿着多条光路中的一条光路引导第一偏振信号。 光束组合器组合第一和第二信号以形成基本上补偿偏振模色散的光输出信号。
    • 4. 发明授权
    • Optical switch based on rotating vertical micro-mirror
    • 基于旋转垂直微镜的光开关
    • US06711318B2
    • 2004-03-23
    • US09771757
    • 2001-01-29
    • Mike E. HamerlyRobert G. SmithSilva K. TheissBilly L. Weaver
    • Mike E. HamerlyRobert G. SmithSilva K. TheissBilly L. Weaver
    • G02B642
    • G02B6/3564G02B6/32G02B6/3518G02B6/3546G02B6/3548G02B6/3576G02B6/358G02B26/0866
    • A MEMS-based device to steer and manipulate beams of light traveling in free-space in an optical switch. The optical switch is based on a rotating vertical micro-mirror constructed on a surface of a substrate. At least one input optical fiber is arranged to direct at least one optical signal through free-space along a first optical path parallel to the surface of the substrate. A plurality of output optical fibers are arranged to receive the optical signal traveling through free-space along other optical paths not co-linear with the first optical path. At least one substantially vertical, rotating micro-mirror assembly is constructed on the substrate. The assembly includes a rotating micro-mirror with a vertical centerline and an axis of rotation both perpendicular to the surface, but not co-linear. The rotating micro-mirror is rotatable between a first position not in the first optical path and at least a second position redirecting the optical signal to one of the output optical fibers.
    • 一种用于控制和操纵在光学开关中在自由空间中行进的光束的基于MEMS的装置。 光学开关基于构造在基板的表面上的旋转垂直微反射镜。 至少一个输入光纤布置成沿着平行于衬底的表面的第一光路引导至少一个光信号通过自由空间。 多个输出光纤布置成接收沿着与第一光路不共线的其它光路传播自由空间的光信号。 至少一个基本上垂直的,旋转的微反射镜组件被构造在衬底上。 组件包括旋转的微反射镜,其垂直中心线和旋转轴线都垂直于表面而不是共线的。 旋转微镜可在不在第一光路中的第一位置和至少第二位置之间旋转,该第二位置将光信号重定向到输出光纤之一。