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    Optical intensity determination unit, method of forming the same, and optical A/D converter
    29.
    发明授权
    Optical intensity determination unit, method of forming the same, and optical A/D converter 有权
    光强度确定单元，其形成方法和光学A / D转换器

    公开(公告)号：US09091593B2

    公开(公告)日：2015-07-28

    申请号：US13816160

    申请日：2011-04-19

    Applicant: Kenji Sato

    Inventor： Kenji Sato

    IPC: G02F1/035 ,  G01J1/04 ,  H04B10/079 ,  G02F7/00

    CPC classification number: G01J1/0459 ,  G02F7/00 ,  H04B10/07955

    Abstract: An optical intensity determination unit includes: an optical input port; an optical output port; an optical resonator provided between the optical input port and the optical output port; a first light receiving element for converting at least a part of an optical signal output from a first output port of the optical resonator into an electric signal; a second light receiving element for converting at least a part of an optical signal output from a second output port of the optical resonator into an electric signal; a comparing circuit for determining magnitudes of the electric signals output from the first light receiving element and the second light receiving element to output a digital signal; and an optical branching circuit for branching light output from the second output port of the optical resonator into the optical output port and the second light receiving element. An optical intensity phase conversion unit for modulating an optical phase according to intensity of input light is provided in a part of a waveguide in the optical resonator.

    Abstract translation: 光强决定单元包括：光输入端口; 光输出端口; 设置在光输入端口和光输出端口之间的光谐振器; 第一光接收元件，用于将从光谐振器的第一输出端口输出的光信号的至少一部分转换为电信号; 第二光接收元件，用于将从光谐振器的第二输出端口输出的光信号的至少一部分转换为电信号; 比较电路，用于确定从第一光接收元件和第二光接收元件输出的电信号的幅度以输出数字信号; 以及用于将从光谐振器的第二输出端口输出的光分支到光输出端口和第二光接收元件的光分支电路。 在光谐振器的波导的一部分中设置有用于根据输入光的强度来调制光学相位的光强度相位转换单元。

    System and method for nonlinear optical devices
    30.
    发明授权
    System and method for nonlinear optical devices 有权
    非线性光学器件的系统和方法

    公开(公告)号：US09000347B2

    公开(公告)日：2015-04-07

    申请号：US13646435

    申请日：2012-10-05

    Applicant: Telcordia Technologies, Inc.

    Inventor： Ted Woodward ,  Anjali Agarwal ,  Nicholas Peters

    IPC: G01J1/42 ,  G02B6/293 ,  H04B10/70 ,  G01N21/41 ,  G02F1/35 ,  G01J1/04 ,  H01L31/0232 ,  G01S7/487 ,  G01J3/453 ,  G01S7/486 ,  G01S17/10 ,  G01J1/58 ,  G01N21/17 ,  G02F1/39

    CPC classification number: G01N21/17 ,  G01J1/0425 ,  G01J1/0459 ,  G01J1/42 ,  G01J1/58 ,  G01J3/4531 ,  G01N21/41 ,  G01S7/486 ,  G01S7/487 ,  G01S17/10 ,  G02B6/29338 ,  G02F1/3536 ,  G02F1/39 ,  G02F2001/392 ,  H01L31/0232 ,  H04B10/70

    Abstract: Systems for enhancing the sensitivity of detecting an optical signal using nonlinear optics and method of performing the same. In one embodiment, a single-photon detection system includes an optical amplifier realized in a waveguide, and a photodetector coupled to an output of the optical amplifier. A light detection and ranging system includes the optical amplifier coupled to an optical source and one photodetector. In another embodiment, a photodetection system includes a plurality of optical frequency converters, coupled to an optical source, that sequentially convert a wavelength of photons of the optical source to a final wavelength, and a single-photon photodetector coupled to the optical frequency converters to detect single photons produced by the optical source. In another embodiment, an optical sensor includes an optical pump, and a transducer including an optical ring cavity coupled to the optical pump and configured to utilize optical four-wave mixing to detect an external stimulus.

    Abstract translation: 用于增强使用非线性光学器件检测光信号的灵敏度的系统及其执行方法。 在一个实施例中，单光子检测系统包括在波导中实现的光放大器和耦合到光放大器的输出的光电检测器。 光检测和测距系统包括耦合到光源和一个光电检测器的光放大器。 在另一个实施例中，光电检测系统包括耦合到光源的多个光学频率转换器，其将光源的光子的波长顺序地转换成最终的波长，以及耦合到光变换器的单光子光电探测器 检测由光源产生的单个光子。 在另一个实施例中，光学传感器包括光学泵和包括耦合到光学泵的光学环腔的换能器，并被配置为利用光学四波混频来检测外部刺激。

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