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    Optical coupler
    1.
    发明授权
    Optical coupler 有权

    公开(公告)号：US10031293B2

    公开(公告)日：2018-07-24

    申请号：US15488321

    申请日：2017-04-14

    申请人： Electronics and Telecommunications Research Institute

    发明人： Jaegyu Park ,  Myungjoon Kwack ,  Jiho Joo ,  Gyungock Kim

    IPC分类号： G02B6/12 ,  G02B6/30 ,  G02B6/122 ,  G02B6/125

    摘要： Provided is an optical coupler including a substrate, a buffer layer on the substrate, a ridge waveguide having a first side surface and a second side surface opposed to the first side surface, and a first waveguide disposed adjacent to the second side surface. The first waveguide includes a first body part and a first connecting part extending from one end of the first body part to be inserted in the ridge waveguide. The first connecting part has a width decreasing in the direction away from the second side surface, and the ridge waveguide includes an extension part extending under an upper surface of the buffer layer.

    Optical coupling device
    4.
    发明授权
    Optical coupling device 有权
    光耦合装置

    公开(公告)号：US09459409B2

    公开(公告)日：2016-10-04

    申请号：US14820406

    申请日：2015-08-06

    申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    发明人： Myungjoon Kwack ,  Gyungock Kim ,  Jaegyu Park ,  Ki Seok Jang ,  Jiho Joo

    IPC分类号： G02B6/12 ,  G02B6/30 ,  G02B6/36

    CPC分类号： G02B6/423 ,  G02B6/3644 ,  G02B6/4239 ,  G02B6/4249

    摘要： 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.

    摘要翻译： 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
    5.
    发明授权
    Optical coupler and optical device including the same 有权
    光耦合器和包括其的光学器件

    公开(公告)号：US09316792B2

    公开(公告)日：2016-04-19

    申请号：US14159355

    申请日：2014-01-20

    申请人： Electronics and Telecommunications Research Institute

    发明人： Hyundai Park ,  Taeyong Kim ,  JiHo Joo ,  Jaegyu Park ,  Gyungock Kim

    IPC分类号： G02B6/26 ,  G02B6/42 ,  G02B6/30 ,  G02B6/122 ,  G02B6/14 ,  G02B6/12

    CPC分类号： G02B6/305 ,  G02B6/12002 ,  G02B6/1228 ,  G02B6/14 ,  G02B2006/12092

    摘要： 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.

    摘要翻译： 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。

    APPARATUS FOR GENERATING OPTICAL SIGNAL OF MULTI-CHANNEL
    7.
    发明申请
    APPARATUS FOR GENERATING OPTICAL SIGNAL OF MULTI-CHANNEL 有权

    公开(公告)号：US20210328681A1

    公开(公告)日：2021-10-21

    申请号：US17219269

    申请日：2021-03-31

    申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    发明人： Sang-Pil Han ,  Sungil Kim ,  Jaegyu Park ,  Minhyup Song

    IPC分类号： H04B10/516 ,  H04B10/54 ,  H04B10/548 ,  H04B10/50

    摘要： Disclosed is a multi-channel optical signal generating apparatus, which includes a CW laser that generates a single optical signal, an optical signal processor unit that processes the single optical signal, an oscillator that generates an electrical signal, and an electrical signal processor unit that generates a modulation signal, based on the electrical signal, and the optical signal processor unit includes ‘n’ optical circulators, at least one optical intensity modulator, (m-1) optical phase modulators, and ‘n’ BiODLs, the electrical signal processor unit includes a RF power divider which divides the electrical signal, and ‘m’ RF power amplifiers, the RF power divider divides the electrical signal into ‘m’ divided electrical signals, and the optical signal processor unit modulates and outputs the single optical signal by the at least one optical intensity modulator and the (m-1) optical phase modulators, based on the ‘m’ divided electrical signals divided from the RF power divider.