公开(公告)号：US20220317395A1

公开(公告)日：2022-10-06

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.

公开(公告)号：US20210141157A1

公开(公告)日：2021-05-13

申请号：US17094465

申请日：2020-11-10

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sanghwa YOO ,  Sae-Kyoung KANG ,  Heuk PARK ,  Joon Young HUH ,  Jongtae SONG ,  Joon Ki LEE

IPC: G02B6/34 ,  F21V8/00 ,  G02B6/30 ,  G02B6/42

Abstract: An optical coupling method and apparatus are disclosed. The optical coupling method improve the speed of optical alignment between an optical fiber and a grating coupler (GC) of an optical coupling apparatus for a characteristic test of a silicon photonic integrated circuit (Si-PIC) chip by using a reflective grating couplers disposed on the Si-PIC chip.

公开(公告)号：US20200292759A1

公开(公告)日：2020-09-17

申请号：US16672600

申请日：2019-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sun Hyok CHANG ,  Joon Ki LEE

IPC: G02B6/30 ,  G02B6/32 ,  G02B6/34

Abstract: An optical connection apparatus includes a position fixing portion configured to fix optical circuits each having a different end portion, while interposing a connection member that is optically imprintable between the optical circuits, and an optical-imprinting portion configured to emit light to the connection member to form a three-dimensional (3D) optical waveguide in the connection member that connects the optical circuits to each other.

公开(公告)号：US20180120507A1

公开(公告)日：2018-05-03

申请号：US15792276

申请日：2017-10-24

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sae-Kyoung KANG ,  Joon Ki LEE ,  Jie Hyun LEE ,  Joon Young HUH

IPC: G02B6/293 ,  G02B6/42 ,  H04B10/67

CPC classification number: G02B6/2938 ,  G02B6/4214 ,  G02B6/4215 ,  G02B6/4224 ,  G02B6/4249 ,  H04B10/67

Abstract: Provided is a device and method for detecting an optical signal. The optical signal detecting device may include an optical de-multiplexer configured to de-multiplex an input optical signal to optical signals of different wavelengths; an optical coupling lens configured to allow the optical signals of different wavelengths to be incident; an optical signal reflector configured to reflect the optical signals of different wavelengths emitted from the optical couple lens; and an optical detector configured to detect the reflected optical signals of different wavelengths.

公开(公告)号：US20170373783A1

公开(公告)日：2017-12-28

申请号：US15625430

申请日：2017-06-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sae-Kyoung KANG ,  Joon Young HUH ,  Joon Ki LEE ,  Jie Hyun LEE

IPC: H04J14/02 ,  H04B10/27 ,  G02B27/14 ,  H04B10/572 ,  G02B27/10

CPC classification number: H04J14/02 ,  G02B27/1006 ,  G02B27/14 ,  G02B27/141 ,  H04B10/27 ,  H04B10/572

Abstract: An optical signal detecting apparatus and method. The optical signal detecting apparatus includes an optical demultiplexer configured to demultiplex an input optical signal into a first optical signal having a first band wavelength and a second optical signal having a second band wavelength, a first optical detector configured to detect the first optical signal, and a second optical detector configured to detect the second optical signal, and the optical demultiplexer, the first optical detector, and the second optical detector may be provided in a TO-CAN package.

公开(公告)号：US20250107216A1

公开(公告)日：2025-03-27

申请号：US18893820

申请日：2024-09-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： SangHwa YOO ,  Heuk PARK ,  Joon Ki LEE

IPC: H01L27/06 ,  H01L29/66 ,  H01L29/94

Abstract: A high-density capacitor and a method for manufacturing the same are disclosed. The high-density capacitor includes a metal-oxide-semiconductor (MOS) capacitor having a silicon layer with a dopant concentration of at least 1×1020 cm-3; a first dielectric layer formed on above the silicon layer, and a first metal layer formed above the first dielectric layer.

公开(公告)号：US20240178916A1

公开(公告)日：2024-05-30

申请号：US18515598

申请日：2023-11-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seung-Hyun CHO ,  Joon Ki LEE

IPC: H04B10/112 ,  H04B10/03

CPC classification number: H04B10/112 ,  H04B10/03

Abstract: Disclosed are a radio access network (RAN) equipment and communication equipment for performing photonics-based terahertz wireless communication. The RAN equipment includes a radio unit (RU), a distributed unit (DU), and a central unit (CU), wherein the RU and the DU are configured to transmit and/or receive data through photonics-based terahertz wireless communication, and the DU and the CU are configured to transmit and/or receive data through photonics-based terahertz wireless communication.

公开(公告)号：US20230318890A1

公开(公告)日：2023-10-05

申请号：US18111275

申请日：2023-02-17

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Won Kyoung LEE ,  Sang Rok MOON ,  Joon Ki LEE ,  Seung-Hyun CHO

IPC: H04L27/20 ,  H04L7/00

CPC classification number: H04L27/20 ,  H04L7/0008

Abstract: A method and apparatus for compensating an in- and quadrature-(IQ) imbalance are disclosed. The method and apparatus for compensating an in- and quadrature-(IQ) imbalance provide a technique for compensating a signal distortion caused by imperfect element features and various noises on a transmission link in terahertz wireless communication and improving transmission performance.

公开(公告)号：US20230229360A1

公开(公告)日：2023-07-20

申请号：US17940502

申请日：2022-09-08

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Dae Ub KIM ,  Jong Tae SONG ,  Joon Ki LEE

IPC: G06F3/06 ,  G06F12/02 ,  G06F13/16

CPC classification number: G06F3/067 ,  G06F3/0607 ,  G06F3/0653 ,  G06F12/0292 ,  G06F13/1668 ,  G06F2212/1016

Abstract: Disclosed herein a disaggregation computing system. The disaggregation computing system comprising: a local computing device that comprises a local processor, a local memory bus, a local memory and a local disaggregation controller; a remote computing device that comprises a remote processor, a remote memory bus, a remote memory and a remote disaggregation controller; and a disaggregation network that connects the local computing device and the remote computing device, wherein the local disaggregation controller and the remote disaggregation controller are configured to: check a response delay for access of the remote memory, and control the access of the remote memory based on the response delay.

公开(公告)号：US20220416894A1

公开(公告)日：2022-12-29

申请号：US17845190

申请日：2022-06-21

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seung-Hyun CHO ,  Joon Ki LEE

IPC: H04B10/2575 ,  H04L7/04

Abstract: Provided is a radio over fiber (RoF)-based distributed antenna system (DAS) structure that cost-effectively provides a fifth generation (5G) mobile communication service guaranteeing a quality of service (QoS) with high bandwidth and low latency characteristics without radio shadowing in an indoor environment.