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    • 5. 发明授权
    • Fast injection optical switch
    • 快速注入光开关
    • US07989841B1
    • 2011-08-02
    • US11831704
    • 2007-07-31
    • Alexandre M. BratkovskiShih-Yuan WangTheodore I. Kamins
    • Alexandre M. BratkovskiShih-Yuan WangTheodore I. Kamins
    • H01S5/00
    • H01L31/1113
    • A fast injection optical switch is disclosed. The optical switch includes a thyristor having a plurality of layers including an outer doped layer and a switching layer. An area of the thyristor is configured to receive a light beam to be directed through at least one of the plurality of layers and exit the thyristor at a predetermined angle. At least two electrodes are coupled to the thyristor and configured to enable a voltage to be applied to facilitate carriers from the outer doped layer to be directed to the switching layer. Sufficient carriers can be directed to the switching layer to provide a change in refractive index of the switching layer to redirect at least a portion of the light beam to exit the thyristor at a deflection angle different from the predetermined angle.
    • 公开了一种快速注入光开关。 光开关包括具有包括外掺杂层和开关层的多个层的晶闸管。 晶闸管的区域被配置为接收要被引导通过多个层中的至少一个层并且以预定角度离开晶闸管的光束。 至少两个电极耦合到晶闸管并且被配置为使得能够施加电压以便于来自外部掺杂层的载流子被引导到开关层。 足够的载体可以被引导到开关层,以提供开关层的折射率的变化,以使至少一部分光束以不同于预定角度的偏转角度离开晶闸管。
    • 10. 发明授权
    • Raman signal-enhancing structures and devices
    • 拉曼信号增强结构和器件
    • US07359048B2
    • 2008-04-15
    • US11413910
    • 2006-04-28
    • Shih-Yuan WangR. Stanley WilliamsRaymond G. BeausoleilTheodore I. KaminsZhiyong LiWei Wu
    • Shih-Yuan WangR. Stanley WilliamsRaymond G. BeausoleilTheodore I. KaminsZhiyong LiWei Wu
    • G01J3/44G01N21/65
    • G01N21/658G01J3/44
    • Raman systems include a radiation source, a radiation detector, and a Raman device or signal-enhancing structure. Raman devices include a tunable resonant cavity and a Raman signal-enhancing structure coupled to the cavity. The cavity includes a first reflective member, a second reflective member, and an electro-optic material disposed between the reflective members. The electro-optic material exhibits a refractive index that varies in response to an applied electrical field. Raman signal-enhancing structures include a substantially planar layer of Raman signal-enhancing material having a major surface, a support structure extending from the major surface, and a substantially planar member comprising a Raman signal-enhancing material disposed on an end of the support structure opposite the layer of Raman signal-enhancing material. The support structure separates at least a portion of the planar member from the layer of Raman signal-enhancing material by a selected distance of less than about fifty nanometers.
    • 拉曼系统包括辐射源,辐射检测器和拉曼器件或信号增强结构。 拉曼器件包括耦合到空腔的可调谐谐振腔和拉曼信号增强结构。 空腔包括第一反射构件,第二反射构件和设置在反射构件之间的电光材料。 电光材料表现出响应于所施加的电场而变化的折射率。 拉曼信号增强结构包括具有主表面的基本平坦的拉曼信号增强材料层,从主表面延伸的支撑结构和包括设置在支撑结构的端部上的拉曼信号增强材料的基本上平面的构件 与拉曼信号增强材料层相对。 支撑结构将平面构件的至少一部分与拉曼信号增强材料层分开小于约五十纳米的选定距离。