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    Optical fiber coupler
    1.
    发明授权
    Optical fiber coupler 有权

    公开(公告)号：US12092873B2

    公开(公告)日：2024-09-17

    申请号：US17587194

    申请日：2022-01-28

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sae-Kyoung Kang ,  Joon Young Huh ,  Joon Ki Lee

    IPC: G02B6/30

    CPC classification number: G02B6/30

    Abstract: An optical fiber coupler includes a plurality of optical fibers parallel to each other in a first direction, an optical fiber array block (FAB) configured to maintain a constant center-to-center distance between the plurality of optical fibers, and an optical waveguide block including a plurality of optical waveguides coupled to the plurality of optical fibers, respectively, and configured to transfer optical signals transmitted through the plurality of optical fibers connected to the optical FAB in a second direction in which a photonics chip is placed and which is different from the first direction.

    OPTICAL TRANSCEIVER AND METHOD OF SETTING WAVELENGTH OF OPTICAL TRANSCEIVER
    3.
    发明申请
    OPTICAL TRANSCEIVER AND METHOD OF SETTING WAVELENGTH OF OPTICAL TRANSCEIVER 有权

    公开(公告)号：US20210273406A1

    公开(公告)日：2021-09-02

    申请号：US16907682

    申请日：2020-06-22

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jie Hyun Lee ,  Sae-Kyoung Kang ,  Joon Ki Lee ,  Sun Hyok Chang ,  Joon Young Huh

    IPC: H01S5/06 ,  H01S5/40 ,  H01S5/0687 ,  H04B10/40 ,  H04B10/50

    Abstract: An optical transceiver and a method of setting a wavelength of the optical transceiver. The optical transceiver may include a thermoelectric cooler (TEC) configured to maintain a constant operating temperature of a transmitter optical sub-assembly (TOSA) of the optical transceiver based on an installation environment of the optical transceiver, a plurality of laser diodes arranged on the top of the TEC and configured to output optical signals having different wavelengths, an optical multiplexer configured to multiplex the optical signals having different wavelengths, output through the plurality of laser diodes, and a wavelength controller configured to control the wavelengths of the optical signals output through the plurality of laser diodes such that optical outputs of the optical signals having different wavelengths, detected through the optical multiplexer, are maximized, wherein the wavelength controller may be individually arranged in one region of each of the plurality of laser diodes.

    Optical receiver with optical demultiplexer
    4.
    发明授权
    Optical receiver with optical demultiplexer 有权

    公开(公告)号：US10447405B2

    公开(公告)日：2019-10-15

    申请号：US16023145

    申请日：2018-06-29

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sae-Kyoung Kang ,  Joon Young Huh ,  Joon Ki Lee ,  Jie Hyun Lee

    IPC: H04B10/69 ,  H04J14/02 ,  H04B10/67

    Abstract: An optical receiver includes: an optical demultiplexer to demultiplex an optical signal in which a plurality of wavelengths is multiplexed and divide the optical signal into optical signals corresponding to the plurality of wavelengths, respectively; a reflector to change a progress direction of the divided optical signals; an optical coupling lens including, in an array form, light transmission lenses through which the divided optical signals are transmitted, respectively; a plurality of photodetectors to mount on a photodiode (PD) substrate provided on the optical coupling lens, receive the divided optical signals that are transmitted through the light transmission lenses of the optical coupling lens, respectively, and convert the received optical signals to electrical signals; and a plurality of trans impedance amplifiers provided at desired intervals to electrically connect to the plurality of photodetectors through wire bonding and amplify the received plurality of electrical signals to be a desired magnitude.

    Manufacturing method and application of optical interconnection module
    6.
    发明授权
    Manufacturing method and application of optical interconnection module 有权

    公开(公告)号：US12235498B2

    公开(公告)日：2025-02-25

    申请号：US17575981

    申请日：2022-01-14

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sae-Kyoung Kang ,  Joon Young Huh ,  Joon Ki Lee

    IPC: G02B6/42

    Abstract: A manufacturing method and application of an optical interconnection module are disclosed. According to example embodiments, by providing the method of manufacturing the optical interconnection module in which an optical fiber optical coupler is disposed at its lower portion by using the FOWLP process, it is possible to provide advantages such as lightness, thinness and compactness of the optical interconnection module, guarantee of signal integrity, and high yield in mass production. Further, it is possible to provide a structure providing an electrical ground to an electronic chip by mounting the electronic chip on ETB and capable of being used as a heat dissipation path.

    Optical submodule
    7.
    发明授权
    Optical submodule 有权

    公开(公告)号：US12085770B2

    公开(公告)日：2024-09-10

    申请号：US17872044

    申请日：2022-07-25

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Sae-Kyoung Kang ,  Joon Young Huh ,  Joon Ki Lee

    IPC: H04B10/00 ,  G02B6/42

    CPC classification number: G02B6/4281 ,  G02B6/4246

    Abstract: Provided is an optical submodule which includes an optical transmission/reception module that optically couples an optical transmission signal and an optical reception signal into one optical fiber and a flexible printed circuit board (FPCB) mounted on the optical transmission/reception module that functions as an electrical signal interface with a main board, and an electrical signal line of an optical transmission channel for the optical transmission signal and an electrical signal line of an optical reception channel for the optical reception signal may be deployed on different sides of the FPCB.

    Bidirectional optical transceiver module
    8.
    发明授权
    Bidirectional optical transceiver module 有权

    公开(公告)号：US11411651B2

    公开(公告)日：2022-08-09

    申请号：US17204341

    申请日：2021-03-17

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Joon Young Huh ,  Sae-Kyoung Kang ,  Sanghwa Yoo

    IPC: H04B10/00 ,  H04B10/40 ,  G02B1/11 ,  H05K9/00 ,  G02B27/30

    Abstract: A bidirectional optical transceiver module includes an optical Tx block including a light source configured to output an optical Tx signal; an optical Rx block provided in parallel to the optical Tx block and including a PD configured to receive an optical Rx signal; a wavelength distributor configured to change a travel path of the optical Tx signal; an optical filter provided on a predetermined area of a first surface of the wavelength distributor adjacent to the optical Tx or Rx block and configured to transmit the optical Rx signal and reflect the optical Tx signal; a first lens provided between the optical Tx block and the wavelength distributor; a second lens provided between the optical Rx block and the wavelength distributor; and a third lens configured to output the optical Tx signal to outside and output the optical Rx signal from the outside to the wavelength distributor.

    Large capacity optical transceiver module
    10.
    发明授权
    Large capacity optical transceiver module 有权
    大容量光收发模块

    公开(公告)号：US09287986B2

    公开(公告)日：2016-03-15

    申请号：US14254552

    申请日：2014-04-16

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Joon Ki Lee ,  Sae-Kyoung Kang ,  Joon Young Huh

    IPC: H04B10/00 ,  H04B10/40 ,  H04B10/50 ,  H04J14/02

    CPC classification number: H04B10/40 ,  H04B10/504 ,  H04J14/02

    Abstract: A large capacity optical transceiver module includes: an optical transmitter configured to convert electric signals input from an external source into optical signals to transmit the converted signals, in which the electric signals are directly modulated into optical signals in a plurality of sub groups to be multiplexed; and an optical receiver configured to receive optical signals from the external source, and to convert the received optical signals into electric signals to output the converted signals, in which the optical signals are demultiplexed in a plurality of sub groups to be converted into electric signals.

    Abstract translation: 一种大容量光收发模块，包括：光发射机，被配置为将从外部源输入的电信号转换为光信号，以将电信号直接调制成多个子组中的光信号， ; 以及光接收器，被配置为从外部源接收光信号，并将所接收的光信号转换为电信号以输出转换的信号，其中光信号在多个子组中解复用以转换为电信号。

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