Spectrum sliced photonic signal processor
    1.
    发明授权
    Spectrum sliced photonic signal processor 有权
    光谱切片光信号处理器

    公开(公告)号:US08953237B2

    公开(公告)日:2015-02-10

    申请号:US13383140

    申请日:2010-07-08

    IPC分类号: G02B26/00 G02B6/02

    摘要: A photonic signal processor providing finite impulse response filtering of an external input signal, the processor including: a photonic signal input having a predetermined wavelength range, a Bragg grating structure interconnected to the photonic signal input and having a series of localized modifications to the periodicity of the grating structure so as to provide a predetermined transmission output window within the stopband of the Bragg grating structure and predetermined wavelength range; a modulator interconnected to the grating structure for modulating the output from the grating structure in accordance with the external signal input; a delay structure for providing a wavelength variable delay to the output from the modulator; an intensity detector interconnected to the delay structure for determining and outputting the intensity of the delay structure output.

    摘要翻译: 提供对外部输入信号的有限脉冲响应滤波的光子信号处理器,所述处理器包括:具有预定波长范围的光子信号输入,与所述光子信号输入互连的布拉格光栅结构,并且具有对所述光子信号周期的周期性的一系列局部修改 光栅结构,以便在布拉格光栅结构的阻挡带和预定波长范围内提供预定的透射输出窗口; 互连到光栅结构的调制器,用于根据外部信号输入调制光栅结构的输出; 用于向调制器的输出提供波长可变延迟的延迟结构; 互连到延迟结构的强度检测器,用于确定和输出延迟结构输出的强度。

    Spectrum Sliced Photonic Signal Processor
    2.
    发明申请
    Spectrum Sliced Photonic Signal Processor 有权
    光谱切片光子信号处理器

    公开(公告)号:US20120113494A1

    公开(公告)日:2012-05-10

    申请号:US13383140

    申请日:2010-07-08

    IPC分类号: G02B26/00

    摘要: A photonic signal processor providing finite impulse response filtering of an external input signal, the processor including: a photonic signal input having a predetermined wavelength range, a Bragg grating structure interconnected to the photonic signal input and having a series of localised modifications to the periodicity of the grating structure so as to provide a predetermined transmission output window within the stopband of the Bragg grating structure and predetermined wavelength range; a modulator interconnected to the grating structure for modulating the output from the grating structure in accordance with the external signal input; a delay structure for providing a wavelength variable delay to the output from the modulator; an intensity detector interconnected to the delay structure for determining and outputting the intensity of the delay structure output.

    摘要翻译: 提供对外部输入信号的有限脉冲响应滤波的光子信号处理器,所述处理器包括:具有预定波长范围的光子信号输入,与所述光子信号输入互连的布拉格光栅结构,并且具有对所述光子信号周期的周期性的一系列局部修改 光栅结构,以便在布拉格光栅结构的阻挡带和预定波长范围内提供预定的透射输出窗口; 互连到光栅结构的调制器,用于根据外部信号输入调制光栅结构的输出; 用于向调制器的输出提供波长可变延迟的延迟结构; 互连到延迟结构的强度检测器,用于确定和输出延迟结构输出的强度。

    Phase shifter and photonic controlled beam former for phased array antennas
    3.
    发明授权
    Phase shifter and photonic controlled beam former for phased array antennas 有权
    用于相控阵天线的移相器和光子控制束形成器

    公开(公告)号:US08934774B2

    公开(公告)日:2015-01-13

    申请号:US13582675

    申请日:2011-03-02

    CPC分类号: H01Q3/2676

    摘要: A beam forming antenna device emitting a predetermined free space energy pattern, the device including: an optical signal source having predetermined wavelength characteristics; an optical modulator for modulating predetermined wavelengths of the optical signal source to produce a modulated signal source including frequency sideband components; a dispersion element for spreading and projecting the modulated signal source in a wavelength dependant manner onto a relative phase manipulation element; a relative phase manipulation element manipulating the relative phase of the modulated signal source in a predetermined manner, said phase manipulation element further amplitude modulating predetermined wavelengths of said modulated signal source and outputting a predetermined groupings of wavelengths on a series of output ports; optical to electrical conversion means converting the amplitude of the optical signal on said output ports to a corresponding electrical signal; and a series of irradiating antenna elements connected to each corresponding electrical signal for radiating a corresponding free space signal to substantially produce said predetermined free space energy pattern.

    摘要翻译: 一种发射预定自由空间能量图形的波束形成天线装置,该装置包括:具有预定波长特性的光信号源; 光调制器,用于调制光信号源的预定波长以产生包括频率边带分量的调制信号源; 用于将调制信号源以波长相关的方式扩展和投影到相对相位操作元件上的色散元件; 所述相位操作元件以预定的方式操纵所述调制信号源的相对相位,所述相位操作元件进一步振幅调制所述调制信号源的预定波长并在一系列输出端口上输出预定的波长分组; 光电转换装置将所述输出端口上的光信号的幅度转换成相应的电信号; 以及连接到每个对应的电信号的一系列照射天线元件,用于辐射相应的自由空间信号以基本上产生所述预定的自由空间能量图案。