公开(公告)号：US20110243507A1

公开(公告)日：2011-10-06

申请号：US12886848

申请日：2010-09-21

Applicant: Do Won KIM ,  Gyungock Kim ,  Duk Jun Kim

Inventor： Do Won KIM ,  Gyungock Kim ,  Duk Jun Kim

IPC: G02B6/36

CPC classification number: G02B6/30 ,  G02B6/34 ,  G02B6/3885 ,  G02B2006/12107

Abstract: Provided are an optical connector and an optical apparatus having the same. The optical connector comprises a substrate, at least one optical waveguide, an optical coupler, and a ferrule alignment unit. The at least one optical waveguide is formed on the substrate. The optical coupler is formed on the optical waveguide. The ferrule alignment unit allows a ferrule fixing optical fibers combined with the optical coupler to be aligned with the substrate.

Abstract translation: 提供一种光连接器和具有该连接器的光学装置。 光学连接器包括基板，至少一个光波导，光耦合器和套圈对准单元。 所述至少一个光波导形成在所述基板上。 光耦合器形成在光波导上。 套圈对准单元允许与光耦合器组合的套圈固定光纤与衬底对准。

公开(公告)号：US20100303435A1

公开(公告)日：2010-12-02

申请号：US12555767

申请日：2009-09-08

Applicant: Sahnggi Park ,  Kap-Joong Kim ,  Duk Jun Kim ,  Gyungock Kim

Inventor： Sahnggi Park ,  Kap-Joong Kim ,  Duk Jun Kim ,  Gyungock Kim

IPC: G02B6/00 ,  G03F7/20

CPC classification number: G02B6/12007

Abstract: Provided are an optical device and a method of fabricating the same. The optical device includes: a substrate; and a ring resonator on the substrate. The ring resonator includes: a cladding layer including a lower cladding layer and an upper cladding layer on the substrate; a core including a plurality of rings between the lower cladding layer and the upper cladding layer; and an embeded layer interposed between the core and the cladding layer and having a refractive index less than that of the core and more than that of the cladding layer.

Abstract translation: 提供了一种光学器件及其制造方法。 光学装置包括：基板; 和在基板上的环形谐振器。 环形谐振器包括：在基板上包括下包层和上包层的包层; 芯包括在下包层和上包层之间的多个环; 以及插入在芯和包覆层之间并且折射率小于芯的折射率并且大于包覆层的折射率的嵌入层。

公开(公告)号：US20100150500A1

公开(公告)日：2010-06-17

申请号：US12491454

申请日：2009-06-25

Applicant: Junghyung PYO ,  Duk-Jun Kim ,  In-Gyoo Kim ,  Gyungock Kim

Inventor： Junghyung PYO ,  Duk-Jun Kim ,  In-Gyoo Kim ,  Gyungock Kim

IPC: G02B6/34 ,  G02B6/26

CPC classification number: G02B6/1228 ,  G02B6/12004 ,  G02B6/124 ,  G02B6/34

Abstract: Provided is an optical device, which includes a substrate, a first cladding disposed on the substrate, a first optical waveguide extended in a first direction on the first cladding, and having a first refractive index, a side grating formed in at least one side of the first optical waveguide, a second optical waveguide filling a space of the side grating, extended in a second direction across the first direction on the first cladding, and having a second refractive index, and a second cladding disposed on the second optical waveguide, and having a third refractive index, wherein the first refractive index is greater than the second refractive index, and the second refractive index is greater than the third refractive index.

Abstract translation: 提供了一种光学装置，其包括基板，设置在基板上的第一包层，在第一包层上沿第一方向延伸的第一光波导，并且具有第一折射率，在至少一侧形成的侧光栅 所述第一光波导，填充所述侧光栅的空间的第二光波导，沿着所述第一包层上的所述第一方向的第二方向延伸并具有第二折射率，以及设置在所述第二光波导上的第二包层，以及 具有第三折射率，其中所述第一折射率大于所述第二折射率，并且所述第二折射率大于所述第三折射率。

公开(公告)号：US20080131054A1

公开(公告)日：2008-06-05

申请号：US11856498

申请日：2007-09-17

Applicant: Duk Jun Kim ,  Jong Moo Lee ,  Junghyung Pyo ,  Gyungock Kim

Inventor： Duk Jun Kim ,  Jong Moo Lee ,  Junghyung Pyo ,  Gyungock Kim

IPC: G02B6/26

CPC classification number: G02B6/12028 ,  G02B6/12011

Abstract: An optical filter module for wavelength multiplexing and demultiplexing and a method of manufacturing the same are provided. The optical filter module for wavelength multiplexing and demultiplexing includes: at least one or more input waveguides; an input-stage star coupler in the form of a slab waveguide connected to the input waveguides; array waveguide which is connected to the input-stage star coupler and in which a plurality of individual waveguides, each of which has an optical path having a predetermined length different to those of the other waveguides and has a heterogeneous waveguide interval formed of a material having a different refraction index from that of a core of the waveguides, are sequentially arranged; an output-stage star coupler in the form of a slab waveguide connected to the array waveguides; and at least one or more output waveguides connected to the output-stage star coupler. According to the optical filter module and the method of manufacturing the same, heterogeneous waveguide intervals having core materials different from those of conventional waveguides are introduced in predetermined areas of array waveguides, thereby reducing polarized light and temperature dependency and at the same time effectively removing optical coupling loss, which can occur at both ends of a heterogeneous waveguide interval, without an additional process of forming waveguides.

Abstract translation: 提供了一种用于波分复用和解复用的滤光器模块及其制造方法。 用于波长复用和解复用的滤光器模块包括：至少一个或多个输入波导; 输入级星形耦合器，其形式为连接到输入波导的平板波导; 阵列波导，其连接到输入级星形耦合器，并且其中多个单独的波导具有与其它波导的预定长度不同的预定长度的光路，并且具有由具有 依次布置与波导的芯的折射率不同的折射率; 输出级星形耦合器，其形式为连接到阵列波导的平板波导; 以及连接到输出级星形耦合器的至少一个或多个输出波导。 根据光滤波器模块及其制造方法，在阵列波导的预定区域中引入具有与常规波导不同的芯材料的异质波导间隔，从而降低偏振光和温度依赖性，同时有效地去除光 耦合损耗，其可以发生在异质波导间隔的两端，而没有形成波导的附加工艺。

公开(公告)号：US20060133730A1

公开(公告)日：2006-06-22

申请号：US11317754

申请日：2005-12-22

Applicant: Jang-Uk Shin ,  Sang-Ho Park ,  Duk-Jun Kim ,  Yoon-Jung Park ,  Young-Tak Han ,  Hee-Keyng Sung

Inventor： Jang-Uk Shin ,  Sang-Ho Park ,  Duk-Jun Kim ,  Yoon-Jung Park ,  Young-Tak Han ,  Hee-Keyng Sung

IPC: G02B6/34

CPC classification number: H01S5/02 ,  G02B6/02133 ,  G02B6/12019 ,  G02B6/124 ,  G02B6/4207 ,  H01S5/12 ,  H01S5/141 ,  H01S5/4062 ,  H01S5/4087 ,  H04B10/506

Abstract: A method for manufacturing a plurality of light sources is provided with a low cost to economically construct a passive optical subscriber network of a wavelength division multiplexing method using a wavelength division multiplexing and demultiplexing device. More specifically, disclosed is a method for manufacturing a plurality of light sources with a low cost applying a planar lightwave circuit (PLC) hybrid integrated technology to a PLC chip as a method for constructing a light source with a plurality of wavelengths constituting an optical transmitter of a base station to economically construct a passive optical subscriber network of a wavelength division multiplexing method.

Abstract translation: 为了经济地构造使用波分复用和解复用装置的波分复用方法的无源光用户网络，以低成本提供了制造多个光源的方法。 更具体地，公开了一种用于制造具有低成本的多个光源的方法，该光源将面板光波电路（PLC）混合集成技术应用于PLC芯片，作为构成具有构成光发射机的多个波长的光源的方法 的基站，以经济地构建波分复用方法的无源光用户网络。

公开(公告)号：US09270381B2

公开(公告)日：2016-02-23

申请号：US13301814

申请日：2011-11-22

Applicant: Chun Ju Youn ,  Yong-Hwan Kwon ,  Duk Jun Kim ,  Jong-Hoi Kim ,  Joong-Seon Choe ,  Kwang-Seong Choi ,  Eun Soo Nam

Inventor： Chun Ju Youn ,  Yong-Hwan Kwon ,  Duk Jun Kim ,  Jong-Hoi Kim ,  Joong-Seon Choe ,  Kwang-Seong Choi ,  Eun Soo Nam

IPC: H04B10/06 ,  H04B10/04 ,  H04B10/548 ,  H04B10/077 ,  H04B10/588 ,  H04B10/61 ,  H04L27/20 ,  H04L27/26

CPC classification number: H04B10/548 ,  H04B10/0775 ,  H04B10/588 ,  H04B10/613 ,  H04B10/6165 ,  H04L27/2096 ,  H04L27/2613 ,  H04L27/2657 ,  H04L27/2675 ,  H04L27/2692 ,  H04L27/2697

Abstract: Disclosed are a method and an apparatus for transmitting and receiving coherent optical OFDM. The apparatus includes: a transmitted OFDM digital signal processing unit outputting an in-phase (I) component digital signal and a quadrature phase (Q) component digital signal; a digital-analog converter converting the in-phase (I)-component digital signal and the quadrature-phase (Q)-component digital signal into an in-phase (I)-component analog signal and a quadrature-phase (Q)-component analog signal, respectively; an adder adding an additional pilot tone signal to each of the in-phase (I)-component analog signal and the quadrature-phase (Q)-component analog signal outputted from the digital-analog converter; and an optical I/Q modulator up-converting the in-phase (I)-component analog signal added with the additional pilot tone signal and the quadrature-phase (Q)-component analog signal added with the additional pilot tone signal to an optical domain to output a coherent optical OFDM signal including the additional pilot tone signal.

Abstract translation: 公开了用于发送和接收相干光OFDM的方法和装置。 该装置包括：发送的OFDM数字信号处理单元，输出同相（I）分量数字信号和正交相位（Q）分量数字信号; 将同相（I）分量数字信号和正交相位（Q））数字信号转换为同相（I）分量模拟信号和正交相位（Q）分量数字信号的数模转换器， 分量模拟信号; 对从数模转换器输出的同相（I）分量模拟信号和正交相（Q））模拟信号中的每一个加上附加导频音信号的加法器; 以及光学I / Q调制器，将添加有附加导频音信号的同相（I）分量模拟信号和加上附加导频音信号的正交相位（Q））模拟信号上变频到光 域以输出包括附加导频音信号的相干光OFDM信号。

公开(公告)号：US08548281B2

公开(公告)日：2013-10-01

申请号：US12872881

申请日：2010-08-31

Applicant: Gyungock Kim ,  Jeong Woo Park ,  Jongbum You ,  Sang Gi Kim ,  Sanghoon Kim ,  In Gyoo Kim ,  Jiho Joo ,  Duk Jun Kim ,  Dongwoo Suh ,  Sahnggi Park ,  Ki Seok Jang ,  Junghyung Pyo ,  Kap-Joong Kim ,  Do Won Kim ,  Dae Seo Park

Inventor： Gyungock Kim ,  Jeong Woo Park ,  Jongbum You ,  Sang Gi Kim ,  Sanghoon Kim ,  In Gyoo Kim ,  Jiho Joo ,  Duk Jun Kim ,  Dongwoo Suh ,  Sahnggi Park ,  Ki Seok Jang ,  Junghyung Pyo ,  Kap-Joong Kim ,  Do Won Kim ,  Dae Seo Park

IPC: G02F1/025

CPC classification number: G02F1/025 ,  G02F2201/063

Abstract: Provided is an electro-optic modulating device. The electro-optic modulating device includes an optical waveguide with a vertical structure and sidewalls of the vertical structure are used to configure a junction.

Abstract translation: 提供了一种电光调制装置。 电光调制装置包括具有垂直结构的光波导，垂直结构的侧壁用于构造接合部。

公开(公告)号：US20130156362A1

公开(公告)日：2013-06-20

申请号：US13611085

申请日：2012-09-12

Applicant: Duk Jun KIM ,  Jong-Hoi Kim ,  Joong-Seon Choe ,  Chun Ju Youn ,  Kwang-Seong Choi ,  Yong-Hwan Kwon ,  Eun Soo Nam

Inventor： Duk Jun KIM ,  Jong-Hoi Kim ,  Joong-Seon Choe ,  Chun Ju Youn ,  Kwang-Seong Choi ,  Yong-Hwan Kwon ,  Eun Soo Nam

IPC: G02B6/26 ,  G02B6/00

CPC classification number: G02B6/1228 ,  G02B6/126

Abstract: Provided is a core which reduces optic splice loss between discontinuous optical waveguides. The core includes a first waveguide propagation portion having first light-receiving width, a first lightwave discontinuous portion having second light-receiving width, a first taper structure portion having both ends connected to the first lightwave propagation portion and to the first lightwave discontinuous portion, respectively and decreasing in light-receiving width as it goes from the first lightwave propagation portion to the first lightwave discontinuous portion, a second lightwave propagation portion having third light-receiving width, a second lightwave discontinuous portion having fourth light-receiving width, and a second taper structure portion having both ends connected to the second lightwave propagation portion and to the second lightwave discontinuous portion, respectively and decreasing in light-receiving width as it goes from the second lightwave propagation portion to the second lightwave discontinuous portion.

Abstract translation: 提供了减少不连续光波导之间的光接头损耗的核心。 该芯包括具有第一光接收宽度的第一波导传播部分，具有第二光接收宽度的第一光波不连续部分，具有连接到第一光波传播部分的两端和第一光波不连续部分的第一锥形结构部分， 分别从第一光波传播部分到第一光波不连续部分的光接收宽度减小，具有第三受光宽度的第二光波传播部分，具有第四光接收宽度的第二光波不连续部分和 第二锥形结构部分，其两端分别连接到第二光波传播部分和第二光波不连续部分，并且随着从第二光波传播部分到第二光波不连续部分的光接收宽度的减小，第二锥形结构部分。

公开(公告)号：US20090252457A1

公开(公告)日：2009-10-08

申请号：US12199517

申请日：2008-08-27

Applicant: Duk-Jun KIM ,  Jung-Ho Song ,  Jong-Moo Lee ,  Junghyung Pyo ,  Gyung-Ock Kim

Inventor： Duk-Jun KIM ,  Jung-Ho Song ,  Jong-Moo Lee ,  Junghyung Pyo ,  Gyung-Ock Kim

IPC: G02B6/26

CPC classification number: G02B6/12011 ,  G02B2006/12119

Abstract: Provided are a waveguide structure and an arrayed waveguide grating structure. The arrayed waveguide grating structure includes an input star coupler, an output star coupler, and a plurality of arrayed waveguides optically connecting the input star coupler and the output star coupler. Each of the arrayed waveguides includes at least one section having a high confinement factor and at least two sections having a relatively low confinement factor. The sections of the arrayed waveguides having a high confinement factor have the same structure.

Abstract translation: 提供了一种波导结构和阵列波导光栅结构。 阵列波导光栅结构包括输入星形耦合器，输出星形耦合器以及光学地连接输入星形耦合器和输出星形耦合器的多个阵列波导。 每个阵列波导包括具有高约束因子的至少一个部分和具有相对较低约束因子的至少两个部分。 具有高约束因子的阵列波导的部分具有相同的结构。

公开(公告)号：US20090154880A1

公开(公告)日：2009-06-18

申请号：US12118568

申请日：2008-05-09

Applicant: Jung-Ho SONG ,  Duk-Jun KIM ,  Ki-Soo KIM ,  Young-Ahn LEEM ,  Gyung-Ock KIM

Inventor： Jung-Ho SONG ,  Duk-Jun KIM ,  Ki-Soo KIM ,  Young-Ahn LEEM ,  Gyung-Ock KIM

IPC: G02B6/26

CPC classification number: G02B6/12016 ,  G02B6/12011 ,  G02B6/132

Abstract: Provided is a photonics device. The photonics device includes: a substrate including a star coupler region and a transition region; a lower core layer formed on the substrate; and upper core patterns formed on the substrate to define a waveguide. The upper core patterns are disposed on the lower core layer at the transition region, so that the transition region has a multi-layered core structure.

Abstract translation: 提供了一种光子器件。 光子学器件包括：包括星形耦合器区域和过渡区域的衬底; 形成在所述基板上的下芯层; 以及形成在基板上以限定波导的上部芯图案。 上芯层图案在过渡区域设置在下芯层上，使得过渡区域具有多层芯结构。