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    OPTICAL MODE CONVERSION BY NONLINEAR EFFECTS
    3.
    发明申请
    OPTICAL MODE CONVERSION BY NONLINEAR EFFECTS 审中-公开
    非线性效应的光学模式转换

    公开(公告)号：US20140334766A1

    公开(公告)日：2014-11-13

    申请号：US14362456

    申请日：2012-12-06

    Applicant: OFS Fitel, LLC

    Inventor： Lars Gruner-Nielsen ,  Dan P Jakobsen ,  Martin E.V. Pedersen ,  Chris Xu ,  Ji Cheng

    IPC: G02B6/14

    CPC classification number: G02B6/14 ,  G02F1/3536 ,  G02F1/365 ,  G02F2201/02 ,  G02F2201/05

    Abstract: Embodiments of the present invention generally relate to optical mode conversion by nonlinear effects. More specifically, embodiments of the present invention relate to nonlinear mode conversion utilizing intermodal four-wave mixing to convert light between modes having different wavelengths for complex applications. In one embodiment of the present invention, a fiber comprises an input end for receiving light in a first mode at a first wavelength, and an output end for outputting light in a desired second mode at a desired second wavelength, wherein the first wavelength and the second wavelength are not the same. In many embodiments, the fiber comprises a higher-order mode fiber.

    Abstract translation: 本发明的实施例一般涉及通过非线性效应的光学模式转换。 更具体地，本发明的实施例涉及利用联合四波混频以在复杂应用中具有不同波长的模式之间转换光的非线性模式转换。 在本发明的一个实施例中，光纤包括用于以第一波长接收第一模式的光的输入端和用于以期望的第二波长以期望的第二模式输出光的输出端，其中第一波长和 第二波长不一样。 在许多实施例中，光纤包括高阶模式光纤。

    Optical modulation element
    4.
    发明授权
    Optical modulation element 有权
    光调制元件

    公开(公告)号：US08712204B2

    公开(公告)日：2014-04-29

    申请号：US14021148

    申请日：2013-09-09

    Applicant: NGK Insulators, Ltd.

    Inventor： Jungo Kondo ,  Yuichi Iwata ,  Tetsuya Ejiri

    IPC: G02B6/10 ,  G02F1/295

    CPC classification number: G02F1/035 ,  G01N15/1434 ,  G02B6/122 ,  G02F1/2252 ,  G02F1/2255 ,  G02F2001/212 ,  G02F2201/05 ,  G02F2201/063 ,  G02F2201/066 ,  G02F2201/127 ,  G02F2202/28 ,  G02F2203/21 ,  G02F2203/50 ,  G02F2203/60

    Abstract: An optical modulation device 1 includes a supporting body 2 including a pair of grooves 2b, 2c and a protrusion 2d between the grooves, a ridge par 6 including a channel type optical waveguide capable of multi mode propagation, a first side plate part 3A formed in a first side of the ridge part 6, a second side plate part 3B formed in a second side of the ridge part, a first adhesive layer 4A adhering the first side plate part 3A and the supporting body 2, a second adhesive layer 4B adhering the second side plate part 3B and the supporting body 2, and a third adhesive layer 4C adhering the ridge part 6 and the protrusion 2d. The device 1 further includes a first electrode 7A provided on a side face 6b of the ridge part on the first groove side, and a side face 3b and an upper face 3c of the first side plate part, and a second electrode 7B provided on a side face 6c of the ridge part 6 in the second groove side, the second groove 2c and a side face 3b and an upper face 3c of the second side plate part 3B. The first electrode 7A and the second electrode 7B apply a modulation voltage modulating light propagating in the channel type optical waveguide.

    Abstract translation: 光调制装置1包括支撑体2，其包括一对槽2b，2c和凹槽之间的突起2d，包括能够进行多模传播的通道型光波导的脊6，形成在第一侧板部3A中的第一侧板部3A 脊部6的第一侧，形成在脊部的第二侧的第二侧板部3B，附着有第一侧板部3A和支撑体2的第一粘合层4A，附着在第二侧板部3A上的第二粘合层4B 第二侧板部3B和支撑体2，以及粘附脊部6和突起2d的第三粘合层4C。 装置1还包括设置在第一槽侧的脊部的侧面6b上的第一电极7A和第一侧板部的侧面3b和上表面3c，以及设置在第一槽部侧的第二电极7B 第二槽侧的脊部6的侧面6c，第二槽2c和侧面3b以及第二侧板部3B的上表面3c。 第一电极7A和第二电极7B施加在沟道型光波导中传播的调制电压调制光。

    WAVEGUIDE TYPE HIGH DENSITY OPTICAL MATRIX SWITCHES
    5.
    发明申请
    WAVEGUIDE TYPE HIGH DENSITY OPTICAL MATRIX SWITCHES 审中-公开
    波导型高密度光学矩阵开关

    公开(公告)号：US20120263413A1

    公开(公告)日：2012-10-18

    申请号：US13347719

    申请日：2012-01-11

    Applicant: Jang Uk SHIN ,  Young-Tak Han ,  Sang Ho Park ,  Yongsoon Baek

    Inventor： Jang Uk SHIN ,  Young-Tak Han ,  Sang Ho Park ,  Yongsoon Baek

    IPC: G02B6/26

    CPC classification number: H04Q11/0005 ,  G02B6/3546 ,  G02F1/0147 ,  G02F1/3137 ,  G02F2201/05 ,  G02F2202/022 ,  G02F2203/023 ,  H04J14/0212 ,  H04Q2011/0052 ,  H04Q2213/1301

    Abstract: An optical matrix switch includes connection optical waveguides, a 2×2 optical switch including two straight optical waveguides which are parallel to each other, two crossing optical waveguides which connects the insides of the straight optical waveguides and mutually intersects in an X shape, and electrodes which are disposed on portions where the straight optical waveguide and the crossing optical waveguide are connected. The connection optical waveguides include a straight connection optical waveguide which connects one of the straight optical waveguides of one of the 2×2 optical switches in one column and a straight optical waveguide of a 2×2 optical switch in the same row of an adjacent column, and a crossing connection optical waveguide which connects the other of the straight optical waveguides with a straight optical waveguide of 2×2 optical switch in the other row of an adjacent column

    Abstract translation: 光矩阵开关包括连接光波导，包括彼此平行的两个直的光波导的2×2光开关，连接直线光波导的内部并且X相互相交的两个交叉光波导，以及电极 它们设置在连接有直线光波导和交叉光波导的部分上。 连接光波导包括直连光波导，其将一列中的2×2光开关之一的直线光波导中的一个连接到相邻列的同一行中的2×2光开关的直线光波导 以及交叉连接光波导，其将另一个直线光波导与2×2光开关的直线光波导连接在相邻列的另一行中

    HIGH PERFORMANCE BACKLIGHT DEVICE USING PHOTONIC INTEGRATED CIRCUITS
    8.
    发明公开
    HIGH PERFORMANCE BACKLIGHT DEVICE USING PHOTONIC INTEGRATED CIRCUITS 审中-公开

    公开(公告)号：US20230194925A1

    公开(公告)日：2023-06-22

    申请号：US17985063

    申请日：2022-11-10

    Applicant: Meta Platforms Technologies, LLC

    Inventor： Zhimin Shi ,  James Ronald Bonar ,  Wanli Chi

    IPC: G02F1/13357 ,  G02B27/01

    CPC classification number: G02F1/133605 ,  G02F1/133606 ,  G02B27/0172 ,  G02F2201/05 ,  G02F2201/302 ,  G02F2201/38

    Abstract: Embodiments of the present disclosure relate to a high performance backlight device with photonic integrated circuits. The backlight device includes a light source assembly, a multi-mode slab waveguide, and an out-coupling assembly. The light source assembly includes one or more light sources that generate light in accordance with emission instructions, and a de-speckling mechanism that conditions the generated light to mitigate speckle. The multi-mode slab waveguide in-couples the conditioned light and expands the in-coupled conditioned light in two dimensions to form a homogenous area of conditioned light within a region of the multi-mode slab waveguide. The out-coupling assembly out-couples the conditioned light from the region in a direction normal to the two dimensions, wherein a light modulation layer forms an image from the out-coupled conditioned light.

    Inter-mode light switch
    9.
    发明授权
    Inter-mode light switch 有权
    模式间灯开关

    公开(公告)号：US09563020B2

    公开(公告)日：2017-02-07

    申请号：US14634197

    申请日：2015-02-27

    Applicant: Kyushu University, National University Corporation

    Inventor： Kiichi Hamamoto

    IPC: G02B6/26 ,  G02B6/42 ,  G02B6/35 ,  G02F1/035 ,  G02F1/313 ,  G02F1/21

    CPC classification number: G02B6/354 ,  G02B6/12033 ,  G02B6/125 ,  G02B6/3536 ,  G02F1/0353 ,  G02F1/3133 ,  G02F1/3136 ,  G02F2001/212 ,  G02F2201/05

    Abstract: Provided is an optical mode switch that can effect a more compact optical switch. The optical mode switch (100) is provided with: a single input port (1); a single output port (2); two waveguides (10) provided in parallel between the input port (1) and the output port (2); and a refractive index altering means (8) that alters the refractive index of the waveguides. Any given mode light input to the input port (1) is output as any given mode light from the output port (2) in accordance with the refractive index altered by the refractive index altering means (8).

    Abstract translation: 提供了可以实现更紧凑的光学开关的光学模式开关。 光模式开关（100）设置有：单个输入端口（1）; 单个输出端口（2）; 在输入端口（1）和输出端口（2）之间并联设置的两个波导（10）; 以及改变波导折射率的折射率改变装置（8）。 根据由折射率改变装置（8）改变的折射率，输入到输入端口（1）的任何给定模式光作为来自输出端口（2）的任何给定模式光输出。

    Displays employing multimode optical fiber and low-speckle light sources
    10.
    发明授权
    Displays employing multimode optical fiber and low-speckle light sources 有权
    采用多模光纤和低散斑光源的显示器

    公开(公告)号：US09229307B2

    公开(公告)日：2016-01-05

    申请号：US14629624

    申请日：2015-02-24

    Applicant: JGM Associates, Inc.

    Inventor： Jeffrey G Manni ,  Joseph W Goodman

    IPC: G03B21/20 ,  G02B27/48 ,  G03B21/14 ,  G02F1/1335 ,  G02F1/1362

    CPC classification number: G03B21/208 ,  G02B6/0006 ,  G02B27/48 ,  G02F1/133603 ,  G02F2001/136281 ,  G02F2201/05 ,  G02F2203/12 ,  G03B21/14 ,  G03B21/2033

    Abstract: An apparatus comprising a visible light source(s), multimode optical fiber(s), light coupler(s), an optional spatial light modulator(s), and an optional projection lens(es). The light source has a 1/e half-width emission bandwidth. The light coupler couples the light source to the multimode optical fiber(s) such that objective speckle contrast is reduced. The multimode optical fiber(s) may pass light from the coupler to an optional spatial light modulator. The spatial light modulator may modulate the light to form an image. The projection lens may transfer light onto an image plane or to illuminate objects. The objective speckle contrast at the end of the multimode fiber in combination with the projection lens diameter (if employed) and wavelength diversity may result in viewed images at the viewer's eye, or other detector, exhibiting speckle contrast that may be 1% or less.

    Abstract translation: 一种包括可见光源，多模光纤，光耦合器，可选的空间光调制器和可选投影透镜的装置。 光源具有1 / e半宽的发射带宽。 光耦合器将光源耦合到多模光纤，使得客观散斑对比度降低。 多模光纤可以将光从耦合器传递到可选的空间光调制器。 空间光调制器可以调制光以形成图像。 投影透镜可以将光转移到图像平面上或照亮对象。 在多模光纤末端与投影透镜直径（如果使用）和波长多样性结合时的目标斑点对比度可能导致在观察者的眼睛或其他检测器处观察到具有1％或更小的斑点对比度的图像。

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