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公开(公告)号：US09728657B2
公开(公告)日：2017-08-08
申请号：US14812981
申请日：2015-07-29
Inventor： Jiho Joo , Gyungock Kim , Myungjoon Kwack , Sang Hoon Kim , Sun Ae Kim , In Gyoo Kim , Jaegyu Park , Jin Hyuk Oh , Ki Seok Jang
IPC: H01L31/0224 , H01L31/0352 , H01L31/107 , H01L31/18
CPC classification number: H01L31/022416 , H01L31/03529 , H01L31/1075 , H01L31/1808 , Y02E10/50 , Y02P70/521
Abstract: Provided is a photodetector including a substrate, a first doped region on the substrate, a second doped region having a ring structure, wherein the second doped region is provided in the substrate, surrounds the first doped region and is horizontally spaced apart from a side of the first doped region, an optical absorption layer on the first doped region, a contact layer on the optical absorption layer, a first electrode on the contact layer, and a second electrode on the second doped region.
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12.发明授权公开(公告)号：US09360621B1
公开(公告)日：2016-06-07
申请号：US14819752
申请日：2015-08-06
Inventor： Jaegyu Park , Myungjoon Kwack , Gyungock Kim , Jiho Joo
CPC classification number: G02B6/12016 , G02B6/1228 , G02B6/14
Abstract: Provided is a flat-top mode generating device. The flat-top mode generating device includes an input waveguide, a double-tapered structure connected to the input waveguide, and an input star coupler connected to the double-tapered structure. The double-tapered structure includes a first part having a first height hat is equal to that of each of the input waveguide and the input star coupler, and a second part disposed in the first part on the plane and having a second height that is less than the first height, the second part being tapered from the input star coupler toward the input waveguide.
Abstract translation: 提供了平顶模式发生装置。 平顶模式发生装置包括输入波导，连接到输入波导的双锥形结构和连接到双锥形结构的输入星形耦合器。 双锥形结构包括具有第一高度帽的第一部分等于输入波导和输入星形耦合器中的每一个的第一部分，以及设置在平面上的第一部分中的第二部分，并且具有较小的第二高度 比第一高度，第二部分从输入星形耦合器向输入波导变细。
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13.发明授权Low-voltage high-gain high-speed germanium photo detector and method of fabricating the same 有权低电压高增益高速锗光电检测器及其制造方法公开(公告)号：US09171996B2
公开(公告)日：2015-10-27
申请号：US13949081
申请日：2013-07-23
Inventor： Gyungock Kim , Sang Hoon Kim , Ki Seok Jang , In Gyoo Kim , Jin Hyuk Oh , Sun Ae Kim
IPC: H01L33/06 , H01L33/00 , H01L31/0352 , H01L31/107 , B82Y20/00
CPC classification number: H01L33/06 , B82Y20/00 , H01L31/035227 , H01L31/035254 , H01L31/107 , H01L33/0054 , Y10S977/762 , Y10S977/774 , Y10S977/954
Abstract: Provided is a silicon-wafer-based germanium semiconductor photodetector configured to be able to provide properties of high gain, high sensitivity, and high speed, at a relatively low voltage. A germanium-based carrier multiplication layer (e.g., a single germanium layer or a germanium and silicon superlattice layer) may be provided on a silicon wafer, and a germanium charge layer may be provided thereon, a germanium absorption layer may be provided on the charge layer, and a polysilicon second contact layer may be provided on the absorption layer. The absorption layer may be configured to include germanium quantum dots or wires.
Abstract translation: 提供一种基于硅晶片的锗半导体光电检测器，其被配置为能够在相对低的电压下提供高增益，高灵敏度和高速度的特性。 可以在硅晶片上提供基于锗的载体倍增层（例如，单个锗层或锗和硅超晶格层），并且可以在其上提供锗电荷层，可以在电荷上提供锗吸收层 层，并且可以在吸收层上设置多晶硅第二接触层。 吸收层可以被配置为包括锗量子点或线。
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公开(公告)号：US10031293B2
公开(公告)日：2018-07-24
申请号：US15488321
申请日：2017-04-14
Inventor： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
Abstract: 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.
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15.发明授权公开(公告)号：US09507087B2
公开(公告)日：2016-11-29
申请号：US14826869
申请日：2015-08-14
Inventor： Jaegyu Park , Myungjoon Kwack , Gyungock Kim , Jiho Joo
CPC classification number: G02B6/12014 , G02B6/12016 , G02B6/12026 , G02B6/1228 , G02B6/125 , G02B2006/12097
Abstract: Provided is a wavelength combiner including a slab waveguide; an output waveguide extended from the slab waveguide in a first direction; and at least one rib waveguide disposed at an interval horizontally from the output waveguide and extended from the slab waveguide in the first direction, wherein the rib waveguide is tapered in the first direction.
Abstract translation: 提供了包括平板波导的波长组合器; 从第一方向从平板波导延伸的输出波导; 以及至少一个肋波导，其以与所述输出波导水平相对的间隔设置，并且沿着所述第一方向从所述平板波导延伸，其中所述肋波导在所述第一方向上逐渐变细。
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Patent Agency Ranking
公开(公告)号：US10859765B2
公开(公告)日：2020-12-08
申请号：US16183499
申请日：2018-11-07
Inventor： Jaegyu Park , Gyungock Kim , Jiho Joo
Abstract: Provided are an optical coupling device and a method for manufacturing the same. The optical coupling device includes a first waveguide including a first forward tapered part, a second waveguide disposed on the first waveguide and including a first reverse tapered part in a direction opposite to the first forward tapered part, and an interlayer waveguide disposed between the first and second waveguides and having a thickness corresponding to a distance between the first forward tapered part and the first reverse tapered part.
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公开(公告)号：US10396528B2
公开(公告)日：2019-08-27
申请号：US16030417
申请日：2018-07-09
Inventor： In Gyoo Kim , Gyungock Kim , Sang Hoon Kim
Abstract: Provided is a laser device according to an embodiment of the inventive concept. The laser device includes: a semiconductor substrate; a germanium single crystal layer on the semiconductor substrate; and a pumping light source disposed on the germanium single crystal layer and configured to emit light toward the germanium single crystal layer, wherein the germanium single crystal layer receives the light to thereby output laser.
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公开(公告)号：US09618776B2
公开(公告)日：2017-04-11
申请号：US14848077
申请日：2015-09-08
Inventor： In Gyoo Kim , Gyungock Kim , Sang Hoon Kim
CPC classification number: G02F1/025 , G02F2001/0155 , G02F2001/0157
Abstract: Provided is an optical modulator including an optical waveguide and an optical modulation part integrated on the optical waveguide that is clad in oxide silicon and has silicon as core by using a bulk silicon wafer in place of an silicon-on-insulator (SOI) used for a typical optical waveguide and optical modulator and using complementary metal oxide semiconductor (CMOS) and thermal oxide film formation processes, and a fabrication method thereof.
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公开(公告)号：US09459409B2
公开(公告)日：2016-10-04
申请号：US14820406
申请日：2015-08-06
Inventor： Myungjoon Kwack , Gyungock Kim , Jaegyu Park , Ki Seok Jang , Jiho Joo
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。
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公开(公告)号：US09316792B2
公开(公告)日：2016-04-19
申请号：US14159355
申请日：2014-01-20
Inventor： Hyundai Park , Taeyong Kim , JiHo Joo , Jaegyu Park , Gyungock Kim
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。
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