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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
发明人： Myungjoon Kwack , Gyungock Kim , Jaegyu Park , Ki Seok Jang , Jiho Joo
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。
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公开(公告)号：US10014401B2
公开(公告)日：2018-07-03
申请号：US15414156
申请日：2017-01-24
发明人： Jeho Na , Hyung Seok Lee , Chi Hoon Jun , Sang Choon Ko , Myungjoon Kwack , Young Rak Park , Woojin Chang , Hyun-Gyu Jang , Dong Yun Jung
IPC分类号： H01L29/778 , H01L29/20 , H01L29/205 , H01L23/31 , H01L29/06 , H01L29/417 , H01L29/423 , H01L29/66
CPC分类号： H01L29/7787 , H01L23/315 , H01L23/3171 , H01L23/3178 , H01L23/3192 , H01L29/0649 , H01L29/0657 , H01L29/2003 , H01L29/205 , H01L29/41758 , H01L29/42364 , H01L29/42372 , H01L29/66462 , H01L29/7786
摘要： A semiconductor device includes a semiconductor structure including a substrate, a first semiconductor layer on the substrate, and a second semiconductor layer on the first semiconductor layer, a first passivation pattern provided on the semiconductor structure, and first and second conductive patterns provided on the semiconductor structure and spaced from the first passivation pattern.
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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
发明人： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
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.
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4.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
发明人： Jaegyu Park , Myungjoon Kwack , Gyungock Kim , Jiho Joo
CPC分类号： G02B6/12014 , G02B6/12016 , G02B6/12026 , G02B6/1228 , G02B6/125 , G02B2006/12097
摘要： 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.
摘要翻译： 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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公开(公告)号：US10197818B2
公开(公告)日：2019-02-05
申请号：US15678966
申请日：2017-08-16
发明人： Myungjoon Kwack , Jaegyu Park , Jiho Joo , Gyungock Kim
摘要： Provided is a thermo-optic optical switch including an input waveguide configured to receive an optical signal, an output waveguide configured to output the optical signal, branch waveguides branching from the input waveguide to be connected to the output waveguide, and heater electrodes disposed on the branch waveguides and configured to heat the branch waveguides, wherein the branch waveguides includes first and second phase shifters having first and second thermo-optic coefficients of opposite signs.
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公开(公告)号：US10151874B2
公开(公告)日：2018-12-11
申请号：US15792550
申请日：2017-10-24
发明人： Jiho Joo , Myungjoon Kwack , Gyungock Kim , Jaegyu Park
IPC分类号： G02B6/124 , G02B6/02 , G02B6/34 , G02F1/19 , G02F1/225 , G02F1/01 , G02B6/42 , G02B6/293 , G02B26/08
摘要： A wavelength division multiplexer is disclosed. The wavelength division multiplexer may include an input waveguide, in which a plurality of Bragg gratings for separating multiplexed optical signals into respective optical signals are provided, and a plurality of output waveguides connected to the input waveguide and configured to receive the optical signals separated by the plurality of Bragg gratings. The plurality of Bragg gratings may include a first Bragg grating including first protrusions each having a first width, and a second Bragg grating including second protrusions each having a second width larger than the first width. Each of the first and second protrusions may include a curved side surface, to which a corresponding one of the optical signals is incident.
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公开(公告)号：US10101633B2
公开(公告)日：2018-10-16
申请号：US15661996
申请日：2017-07-27
发明人： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
摘要： Provided is an optical switch including a substrate, a first optical waveguide disposed on the substrate and having a conductive portion disposed on one surface thereof, and a second optical waveguide disposed on the substrate being spaced apart from the first optical waveguide and having an electrode portion disposed on one surface thereof. The electrode portion and the conductive portion face each other. The electrode portion controls an optical field between the first optical waveguide and the second optical waveguide.
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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
发明人： Jiho Joo , Gyungock Kim , Myungjoon Kwack , Sang Hoon Kim , Sun Ae Kim , In Gyoo Kim , Jaegyu Park , Jin Hyuk Oh , Ki Seok Jang
IPC分类号： H01L31/0224 , H01L31/0352 , H01L31/107 , H01L31/18
CPC分类号： H01L31/022416 , H01L31/03529 , H01L31/1075 , H01L31/1808 , Y02E10/50 , Y02P70/521
摘要： 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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9.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
发明人： Jaegyu Park , Myungjoon Kwack , Gyungock Kim , Jiho Joo
CPC分类号： G02B6/12016 , G02B6/1228 , G02B6/14
摘要： 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.
摘要翻译： 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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