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    OPTICAL COUPLING DEVICE
    2.
    发明申请
    OPTICAL COUPLING DEVICE 有权
    光耦合器件

    公开(公告)号：US20160259126A1

    公开(公告)日：2016-09-08

    申请号：US14820406

    申请日：2015-08-06

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Myungjoon KWACK ,  Gyungock KIM ,  Jaegyu PARK ,  Ki Seok JANG ,  Jiho JOO

    IPC: G02B6/30 ,  G02B6/36

    CPC classification number: G02B6/423 ,  G02B6/3644 ,  G02B6/4239 ,  G02B6/4249

    Abstract: An optical coupling device comprises an optical fiber block including a first block part and a second block part contacting with one side of the first block part, an optical fiber penetrating the optical fiber block and having an end surface exposed at a bottom surface of the optical fiber block, a semiconductor chip disposed below the optical fiber block and having an optical input/output element disposed on a top surface of the semiconductor chip to correspond with the end surface of the optical fiber, and a planarization layer disposed on the top surface of the semiconductor chip and having a recess region. A bottom surface of the first block part has a higher level than that of the second block part. The bottom surface of the second block part contacts with a bottom of the recess region. The optical fiber is optically coupled with the optical input/output element.

    Abstract translation: 光耦合装置包括光纤块，该光纤块包括与第一块部分的一侧接触的第一块部分和第二块部分，穿过光纤块的光纤，并且具有暴露在光学器件的底表面处的端面 光纤块，设置在光纤块下方的半导体芯片，并且具有设置在半导体芯片的顶表面上的光输入/输出元件，以对应于光纤的端面;以及平坦化层，设置在光纤的顶表面上 半导体芯片并具有凹部区域。 第一块部分的底表面具有比第二块部分更高的水平。 第二块部的底面与凹部的底部接触。 光纤与光输入/输出元件光学耦合。

    OPTICAL COUPLER AND OPTICAL DEVICE INCLUDING THE SAME
    3.
    发明申请
    OPTICAL COUPLER AND OPTICAL DEVICE INCLUDING THE SAME 有权
    光耦合器和光学器件，包括它们

    公开(公告)号：US20150277054A1

    公开(公告)日：2015-10-01

    申请号：US14159355

    申请日：2014-01-20

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Hyundai PARK ,  Taeyong KIM ,  JiHo JOO ,  Jaegyu PARK ,  Gyungock KIM

    IPC: G02B6/30 ,  G02B6/12 ,  G02B6/122 ,  G02B6/14

    CPC classification number: G02B6/305 ,  G02B6/12002 ,  G02B6/1228 ,  G02B6/14 ,  G02B2006/12092

    Abstract: Provided are an optical coupler and an optical device including the same. The optical coupler includes: a substrate; a buffer layer on the substrate; and an optical coupling layer including a horizontal mode expander layer and a vertical mode expander layer, wherein the horizontal mode expander layer expands in one direction on the buffer layer, and wherein the vertical mode expander layer adjusts a stepped difference between the horizontal mode expander layer and a plurality of optical transmission devices having different diameters or sectional areas and connected to both sides of the horizontal mode expander layer, and the vertical mode expander layer is disposed on a side of the horizontal mode expander layer to minimize optical loss between the plurality of optical transmission devices.

    Abstract translation: 提供一种光耦合器和包括该光耦合器的光学装置。 光耦合器包括：基板; 衬底上的缓冲层; 以及包括水平模式扩展器层和垂直模式扩展器层的光学耦合层，其中水平模式扩展器层在缓冲层上在一个方向上扩展，并且其中垂直模式扩展器层调整水平模式扩展器层 以及具有不同直径或截面积并连接到水平模式扩展器层的两侧的多个光传输装置，并且垂直模式扩展器层设置在水平模式扩展器层的一侧，以使多个 光传输设备。

    MACH-ZEHNDER OPTICAL MODULATOR INCLUDING MULTI-MODE INTERFERER
    4.
    发明公开
    MACH-ZEHNDER OPTICAL MODULATOR INCLUDING MULTI-MODE INTERFERER 审中-公开

    公开(公告)号：US20240353728A1

    公开(公告)日：2024-10-24

    申请号：US18412930

    申请日：2024-01-15

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jaegyu PARK ,  Sungil Kim ,  Kisoo Kim

    IPC: G02F1/21

    CPC classification number: G02F1/212

    Abstract: Provided is a Mach-Zehnder optical modulator. The optical modulator thereof includes an input waveguide on one side of a substrate, an output waveguide on the other side of the substrate, an optical power splitter between the input waveguide and the output waveguide, an optical power combiner between the optical power splitter and the output waveguide, branch waveguides between the optical power splitter and the optical power combiner, and electrodes provided on the outer periphery of the branch waveguides and between the branch waveguides, and multi-mode interferers provided between the electrodes, and connected in series to the branch waveguides.

    AIR SCREEN DETECTOR DEVICE
    5.
    发明申请
    AIR SCREEN DETECTOR DEVICE 有权

    公开(公告)号：US20220180111A1

    公开(公告)日：2022-06-09

    申请号：US17507789

    申请日：2021-10-21

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sang-Pil HAN ,  Jaegyu PARK ,  Sungil KIM ,  Minhyup SONG

    IPC: G06K9/20 ,  G06F3/01

    Abstract: Disclosed is an air screen detector device. The air screen detector device includes a display for displaying an air screen image in one direction by using visible light, an infrared light source disposed on the display to provide infrared light in the same direction as that of the visible light, an infrared image sensor disposed on one side of the display and the infrared light source to receive the infrared light reflected by a finger provided in the air screen image disposed on the other side of the infrared light source, a first multifocal lens disposed between the infrared image sensor and the infrared light source to provide the infrared light to the infrared image sensor, and a visible light filter disposed between the first multifocal lens and the infrared image sensor to remove the visible light.

    ELECTRO-OPTIC MODULATOR
    6.
    发明申请
    ELECTRO-OPTIC MODULATOR 有权

    公开(公告)号：US20220163864A1

    公开(公告)日：2022-05-26

    申请号：US17485321

    申请日：2021-09-24

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jaegyu PARK ,  Sang-Pil HAN ,  Sungil KIM ,  Minhyup SONG

    IPC: G02F1/225 ,  G02F1/035

    Abstract: Disclosed is an electro-optic modulator. The electro-optic modulator includes a lower clad layer disposed on a substrate, an optical waveguide disposed on the lower clad layer, traveling-wave electrodes respectively disposed on both sides of the optical waveguide and each having a first distance to the optical waveguide, and ferroelectric blocks disposed between the traveling-wave electrodes and the lower clad layer and each having a second distance to the optical waveguide, which is less than the first distance

    THREE-DIMENSIONAL OPTICAL SWITCH
    7.
    发明申请
    THREE-DIMENSIONAL OPTICAL SWITCH 审中-公开

    公开(公告)号：US20200241209A1

    公开(公告)日：2020-07-30

    申请号：US16750942

    申请日：2020-01-23

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jaegyu PARK ,  Gyung Ock KIM ,  Jiho JOO

    IPC: G02B6/35

    Abstract: A 3D optical switch for transferring an optical signal between a plurality of layers of an optical integrated circuit, which comprises: a first optical coupler for distributing the optical signal input to a first optical waveguide deployed in a first layer among the plurality of layers to a second optical waveguide deployed in a second layer different from the first layer; a phase shifter for changing a phase of a first optical signal in the first optical waveguide passing through the first optical coupler and a phase of a second optical signal in the second optical waveguide distributed by the first optical coupler; and a second optical coupler for combining the first optical signal of which the phase is changed and the second optical signal of which the phase is changed is provided.

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