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    • 8. 发明授权
    • Deterministic aperiodic patterned dielectric and plasmonic materials for localized electromagnetic field enhancement
    • 用于局部电磁场增强的确定性非周期图案化电介质和等离子体激元材料
    • US07903246B2
    • 2011-03-08
    • US12423508
    • 2009-04-14
    • Luca Dal NegroAshwin GopinathNing-Ning FengMark Luitzen Brongersma
    • Luca Dal NegroAshwin GopinathNing-Ning FengMark Luitzen Brongersma
    • G01J3/44G01N21/65
    • G02B5/008B82Y20/00G01N21/658G02B6/1225
    • A method is shown for the extension in higher spatial dimensions of deterministic, aperiodic structures which exhibit strong aperiodic effects and have overall compatibility with the planar technology of integrated optical circuits. Disclosed devices are operative in response to incident electromagnetic energy to create a distribution of electromagnetic energy having localized electromagnetic field enhancement, wherein the device includes a dielectric or plasmonic material having a region of interaction with the incident electromagnetic energy. The region of interaction has a deterministic, aperiodic patterning with an array of individual patterning elements of distinct refractive indices such that a variation of refractive index of the device occurs over distances comparable with a wavelength of the incident electromagnetic energy, the array being a multi-dimensional extension of a corresponding one-dimensional sequence such that a spectral response of the array is a multi-dimensional equivalent of a spectral response of the one-dimensional sequence. Specific examples employing so-called Rudin-Shapiro, Thue-Morse and Fibonacci sequences are shown.
    • 显示了一种在具有强非周期效应的确定性,非周期性结构的较高空间维度中延伸的方法,并且与集成光电路的平面技术具有整体兼容性。 公开的装置响应于入射的电磁能而起作用以产生具有局部电磁场增强的电磁能的分布,其中该装置包括具有与入射的电磁能相互作用的区域的电介质或等离子体元素材料。 相互作用区域具有确定性的非周期性图案化,其具有不同折射率的单个图案化元件的阵列,使得器件的折射率变化发生在与入射电磁能量的波长相当的距离上, 相应的一维序列的三维扩展,使得阵列的光谱响应是一维序列的光谱响应的多维等价物。 显示了使用所谓的Rudin-Shapiro,Thue-Morse和斐波那契序列的具体实例。
    • 9. 发明授权
    • System having avalanche effect light sensor with enhanced sensitivity
    • 具有雪崩效应光传感器的系统具有增强的灵敏度
    • US08639065B2
    • 2014-01-28
    • US12803136
    • 2010-06-18
    • Ning-Ning FengShirong LiaoDawei ZhengDazeng Feng
    • Ning-Ning FengShirong LiaoDawei ZhengDazeng Feng
    • G02B6/13
    • H01L31/1075
    • The system includes a light-transmitting medium positioned on a base. The light-transmitting medium included a ridge and a slab region. The ridge extends upward from the slab region and defines a portion of a waveguide on the base. The waveguide is configured to guide a light signal through the device. The device also includes an avalanche effect light sensor positioned on the base and configured to detect the presence of the light signal. The light sensor includes a light-absorbing medium positioned on the ridge of the light-transmitting medium such that the light signal is coupled from the light-transmitting medium into the light-absorbing medium. The light-transmitting includes a charge layer located at an interface of the light-transmitting medium and the light-absorbing medium. A multiplication region is formed in the slab regions of the light-transmitting medium such that the multiplication region receives charge carriers from the charge layer during the operation of the light sensor.
    • 该系统包括位于基座上的透光介质。 透光介质包括脊和板区域。 脊从板坯区域向上延伸,并且在基座上限定波导的一部分。 波导被配置为引导光信号穿过该装置。 该装置还包括位于基座上并被配置为检测光信号的存在的雪崩效应光传感器。 光传感器包括位于透光介质的脊上的光吸收介质,使得光信号从光传输介质耦合到光吸收介质中。 光透射包括位于透光介质和光吸收介质的界面处的电荷层。 在光传输介质的平板区域中形成乘法区域,使得倍增区域在光传感器的操作期间从电荷层接收电荷载流子。