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    • 1. 发明授权
    • Optoelectronic sensory neural network
    • 光电感觉神经网络
    • US5130563A
    • 1992-07-14
    • US713550
    • 1991-06-07
    • Bahram NabetRobert B. DarlingRobert B. Pinter
    • Bahram NabetRobert B. DarlingRobert B. Pinter
    • G06N3/067
    • G06N3/0675
    • A neural network for processing sensory information. The network comprise one or more layers including interconnecting cells having individual states. Each cell is connected to one or more neighboring cells. Sensory signals and signals from interconnected neighboring cells control a current or a conductance within a cell to influence the cell's state. In some embodiments, the current or conductance of a cell can be controlled by a signal arising externally of the layer. Each cell can comprise an electrical circuit which receives an input signal and causes a current corresponding to the signal to pass through a variable conductance. The conductance is a function of the states of the one or more interconnecting neighboring cells. Proper interconnection of the cells on a layer can produce a neural network which is sensitive to predetermined patterns or the passage of such patterns across a sensor array whose signals are input into the network. The layers in the network can be made sensitive to distinct sensory parameters, so that networks which are sensitive to different wavelengths or polarizations of light energy can be produced.
    • 一种用于处理感觉信息的神经网络。 网络包括一个或多个层,包括具有单独状态的互连单元。 每个单元连接到一个或多个相邻单元。 来自互连的相邻单元的感觉信号和信号控制单元内的电流或电导以影响单元的状态。 在一些实施例中,电池的电流或电导可以由在该层外部产生的信号来控制。 每个单元可以包括接收输入信号并且使与信号相对应的电流通过可变电导的电路。 电导是一个或多个互连相邻单元的状态的函数。 层上的单元的适当互连可以产生对预定图案敏感的神经网络或者这些图案跨过其信号被输入网络的传感器阵列的通过。 可以使网络中的层对不同的感官参数敏感,从而可以产生对不同波长或光能的偏振敏感的网络。
    • 2. 发明授权
    • Nanowire based plasmonics
    • 基于纳米线的等离子体激元
    • US08120014B2
    • 2012-02-21
    • US11304049
    • 2005-12-15
    • Bahram NabetJonathan E. Spanier
    • Bahram NabetJonathan E. Spanier
    • H01L31/0352
    • H01L31/108G01N21/3581
    • Nanoscaled, tunable detector devices for ultrasensitive detection of terahertz (THz) radiation based on the fabrication of one-dimensional (1D) plasma devices having clouds of strongly correlated and spatially confined electronic charge carriers are disclosed. These one-dimensional collective excitations (“plasmons”) are realized using coaxial semiconducting core-shell nanowires or by electrostatically confining a two dimensional charge to one dimension. By exploiting the properties of plasmons confined to reduced dimensions and under a selected device configuration, conventional limitations on carrier drift and transit times that dictate the speed and sensitivity of transistors can be circumvented, and detector sensitivity can be improved. 1D devices with sub-picosecond response times will be important for a range of applications in diverse areas such as remote sensing and imaging, molecular spectroscopy, biotechnology, and in a range of the spectrum that has been difficult to detect. In addition to electromagnetic radiation these devices can be used as detectors of charged particle perturbations.
    • 公开了一种用于基于具有强烈相关和空间限制的电子载流子云的一维(1D)等离子体装置的制造的用于太赫兹(THz)辐射的超灵敏检测的纳米尺度的可调谐检测器装置。 使用同轴半导体核 - 壳纳米线或通过静电将二维电荷限制在一个维度上来实现这些一维集体激励(“等离子体激元”)。 通过利用限制为尺寸减小的等离子体的性质和在所选择的器件配置下,可以绕过规定晶体管的速度和灵敏度的载流子漂移和传输时间的常规限制,并且可以提高检测器灵敏度。 具有亚皮秒响应时间的1D器件对于诸如遥感和成像,分子光谱学,生物技术等多个领域的应用以及在难以检测的一系列光谱范围内将是重要的。 除了电磁辐射之外,这些装置可以用作带电粒子扰动的检测器。
    • 3. 发明授权
    • Optical field-effect transistor with improved sensitivity
    • 灵敏度提高的光场效应晶体管
    • US5567973A
    • 1996-10-22
    • US511274
    • 1995-08-04
    • Arthur PaolellaBahram Nabet
    • Arthur PaolellaBahram Nabet
    • H01L31/112H01L31/062H01L31/113
    • H01L31/1123
    • An FET or MESFET having a semiconductor optically transparent gate. A substrate having a doped channel placed thereon together with a source and a drain with a semiconductor gate formed therebetween may be manufactured using conventional semiconductor manufacturing techniques. The optically transparent highly doped semiconductor gate forms an n+-n junction with the n-type doped channel. This junction is modulated or changed by an optical signal causing a photovoltaic effect that reduces the barrier potential at the n+-n junction resulting in a depletion of the accumulation region. This results in increased flow of current in the doped channel. The transparent highly doped semiconductor gate increases performance of the FET or MESFET optical detector. This is an improvement over conventional metal semiconductor field-effect transistor (MESFET) technology, and can be applied to microwave monolithic integrated circuits (MMIC).
    • 具有半导体光学透明栅极的FET或MESFET。 可以使用常规的半导体制造技术来制造具有掺杂沟道的衬底以及源极和其间形成有半导体栅极的漏极。 光学透明的高掺杂半导体栅极与n型掺杂沟道形成n + n结。 该结被光信号调制或改变,导致光电效应,降低n + -n结处的势垒电位,导致积聚区域的耗尽。 这导致掺杂沟道中的电流流动增加。 透明高掺杂半导体栅极增加了FET或MESFET光学检测器的性能。 这是对传统金属半导体场效应晶体管(MESFET)技术的改进,可以应用于微波单片集成电路(MMIC)。
    • 5. 发明申请
    • Nanowire based plasmonics
    • 基于纳米线的等离子体激元
    • US20060289761A1
    • 2006-12-28
    • US11304049
    • 2005-12-15
    • Bahram NabetJonathan Spanier
    • Bahram NabetJonathan Spanier
    • G01T1/00
    • H01L31/108G01N21/3581
    • Nanoscaled, tunable detector devices for ultrasensitive detection of terahertz (THz) radiation based on the fabrication of one-dimensional (1D) plasma devices having clouds of strongly correlated and spatially confined electronic charge carriers are disclosed. These one-dimensional collective excitations (“plasmons”) are realized using coaxial semiconducting core-shell nanowires or by electrostatically confining a two dimensional charge to one dimension. By exploiting the properties of plasmons confined to reduced dimensions and under a selected device configuration, conventional limitations on carrier drift and transit times that dictate the speed and sensitivity of transistors can be circumvented, and detector sensitivity can be improved. 1D devices with sub-picosecond response times will be important for a range of applications in diverse areas such as remote sensing and imaging, molecular spectroscopy, biotechnology, and in a range of the spectrum that has been difficult to detect. In addition to electromagnetic radiation these devices can be used as detectors of charged particle perturbations.
    • 公开了一种用于基于具有强烈相关和空间限制的电子载流子云的一维(1D)等离子体装置的制造的用于太赫兹(THz)辐射的超灵敏检测的纳米尺度的可调谐检测器装置。 使用同轴半导体核 - 壳纳米线或通过静电将二维电荷限制在一个维度上来实现这些一维集体激励(“等离子体激元”)。 通过利用限制为尺寸减小的等离子体的性质和在所选择的器件配置下,可以绕过规定晶体管的速度和灵敏度的载流子漂移和传输时间的常规限制,并且可以提高检测器灵敏度。 具有亚皮秒响应时间的1D器件对于诸如遥感和成像,分子光谱学,生物技术等多个领域的应用以及在难以检测的一系列光谱范围内将是重要的。 除了电磁辐射之外,这些装置可以用作带电粒子扰动的检测器。
    • 6. 发明申请
    • INTEGRATED PLASMONIC LENS PHOTODETECTOR
    • 集成式PLASMONIC LENS PHOTODETECTOR
    • US20110175183A1
    • 2011-07-21
    • US12856506
    • 2010-08-13
    • Bahram NabetJames Anthony ShacklefordRichard R. GroteJonathan E. Spanier
    • Bahram NabetJames Anthony ShacklefordRichard R. GroteJonathan E. Spanier
    • H01L31/108H01L31/18
    • H01L31/1085H01L31/02327
    • Metal-semiconductor-metal (MSM) photodetectors may see increased responsivity when a plasmonic lens is integrated with the photodetector. The increased responsivity of the photodetector may be a result of effectively ‘guiding’ photons into the active area of the device in the form of a surface plasmon polariton. In one embodiment, the plasmonic lens may not substantially decrease the speed of the MSM photodetector. In another embodiment, the Shottkey contacts of the MSM photodetector may be corrugated to provide integrated plasmonic lens. For example, one or more of the cathodes and anodes can be modified to create a plurality of corrugations. These corrugations may be configured as a plasmonic lens on the surface of a photodetector. The corrugations may be configured as parallel linear corrugations, equally spaced curved corrugations, curved parallel corrugations, approximately equally spaced concentric circular corrugations, chirped corrugations or the like.
    • 金属 - 半导体 - 金属(MSM)光电探测器可以看到当等离子体激元透镜与光电检测器集成时的响应度增加。 光电检测器的增加的响应度可以是以表面等离子体激元的形式有效地“引导”光子进入器件的有源区域的结果。 在一个实施例中,等离子体激元透镜可能基本上不降低MSM光电探测器的速度。 在另一个实施例中,MSM光电检测器的Shottkey触点可以是波纹状的,以提供集成的等离子体激元透镜。 例如,可以修改一个或多个阴极和阳极以产生多个波纹。 这些波纹可以被配置为在光电检测器的表面上的等离子体激元透镜。 波纹可以被配置为平行的线形波纹,等间隔的弯曲波纹,弯曲的平行波纹,大致等间隔的同心圆形波纹,啁啾波纹等。