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公开(公告)号：US09690042B2
公开(公告)日：2017-06-27
申请号：US14062454
申请日：2013-10-24
Inventor： Gyungock Kim , Hyundai Park , In Gyoo Kim , Sang Hoon Kim , Ki Seok Jang , Sang Gi Kim , Jiho Joo , Yongseok Choi , Hyuk Je Kwon , Jaegyu Park , Sun Ae Kim , Jin Hyuk Oh , Myung Joon Kwack
IPC: H01L27/15 , H01L31/153 , G02B6/12 , G02B6/13 , G02B6/42 , H01L21/762
CPC classification number: G02B6/12004 , G02B6/13 , G02B6/4206 , G02B6/4214 , H01L21/762 , H01L27/15 , H01L31/167
Abstract: Disclosed are an optical input/output device and an opto-electronic system including the same. The device includes a bulk silicon substrate, at least one vertical-input light detection element monolithically integrated on a portion of the bulk silicon substrate, and at least one vertical-output light source element monolithically integrated on another portion of the bulk silicon substrate adjacent to the vertical-input light detection element. The vertical-output light source element includes a III-V compound semiconductor light source active layer combined with the bulk silicon substrate by a wafer bonding method.
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12.发明授权Optical coupler having self-focusing region and arryed-waveguide grating structure including the same 有权具有自聚焦区域的光耦合器和包括其的arryed-波导光栅结构公开(公告)号：US09164238B2
公开(公告)日：2015-10-20
申请号：US14329878
申请日：2014-07-11
Inventor： Jaegyu Park , Hyundai Park , Jiho Joo , Myung joon Kwack , Gyungock Kim
CPC classification number: G02B6/262 , G02B6/12014 , G02B6/34
Abstract: Provided are an optical coupler and an arrayed-waveguide grating structure including the same. The coupler includes a lower clad layer, a core comprising a slab waveguide region disposed on one side of the lower clad layer and a ridge waveguide region disposed on the other side of the lower clad layer, and an upper clad disposed on the core, wherein the ridge waveguide region comprises a self-focusing region configured to focus an optical signal provided form the slab waveguide region and thus to prevent scattering of the optical signal.
Abstract translation: 提供一种光耦合器和包括该光耦合器的阵列波导光栅结构。 耦合器包括下包层，芯包括布置在下包层的一侧上的平板波导区和设置在下包层的另一侧的脊波导区，以及设置在芯上的上包层。 脊状波导区域包括被配置为聚焦从平板波导区域提供的光信号并因此防止光信号的散射的自聚焦区域。
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13.发明授权Waveguide with reduced phase error and photonics device including the same 有权具有减小的相位误差的波导和包括相同的光子器件公开(公告)号：US08903208B2
公开(公告)日：2014-12-02
申请号：US13913905
申请日：2013-06-10
Inventor： Jaegyu Park , Sahnggi Park , Gyungock Kim
CPC classification number: G02B6/125 , G02B6/12011
Abstract: Provided are a waveguide with a reduced phase error and a photonics device including the same. The waveguide structure may include a lower clad, a core pattern with at least one bending region, on the lower clad, a beam deflecting pattern on the core pattern, and an upper clad covering the core pattern provided with the beam deflecting pattern. The beam deflecting pattern may be formed of a material, whose refractive index may be higher than that of the upper clad and may be lower than or equivalent to that of the core pattern, and the beam deflecting pattern has an increasing and decreasing width or an oscillating width, when measured along the bending region.
Abstract translation: 提供具有减小的相位误差的波导和包括该波导的光子器件。 波导结构可以包括下包层，在下包层上具有至少一个弯曲区域的芯图案，芯图案上的光束偏转图案，以及覆盖提供有光束偏转图案的芯图案的上包层。 光束偏转图案可以由材料形成，该材料的折射率可以高于上部包层的折射率，并且可以低于或等于芯图案的折射率，并且光束偏转图案具有增加和减小的宽度或 当沿着弯曲区域测量时，摆动宽度。
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公开(公告)号：US11961270B2
公开(公告)日：2024-04-16
申请号：US17507789
申请日：2021-10-21
Inventor： Sang-Pil Han , Jaegyu Park , Sungil Kim , Minhyup Song
IPC: G06F3/01 , G06V10/147
CPC classification number: G06V10/147 , G06F3/011
Abstract: Disclosed is an air screen detector device. The air screen detector device includes a display for displaying an air screen image in one direction by using visible light, an infrared light source disposed on the display to provide infrared light in the same direction as that of the visible light, an infrared image sensor disposed on one side of the display and the infrared light source to receive the infrared light reflected by a finger provided in the air screen image disposed on the other side of the infrared light source, a first multifocal lens disposed between the infrared image sensor and the infrared light source to provide the infrared light to the infrared image sensor, and a visible light filter disposed between the first multifocal lens and the infrared image sensor to remove the visible light.
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公开(公告)号：US11556041B2
公开(公告)日：2023-01-17
申请号：US17485321
申请日：2021-09-24
Inventor： Jaegyu Park , Sang-Pil Han , Sungil Kim , Minhyup Song
Abstract: Disclosed is an electro-optic modulator. The electro-optic modulator includes a lower clad layer disposed on a substrate, an optical waveguide disposed on the lower clad layer, traveling-wave electrodes respectively disposed on both sides of the optical waveguide and each having a first distance to the optical waveguide, and ferroelectric blocks disposed between the traveling-wave electrodes and the lower clad layer and each having a second distance to the optical waveguide, which is less than the first distance.
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Patent Agency Ranking
公开(公告)号：US11476945B2
公开(公告)日：2022-10-18
申请号：US17219269
申请日：2021-03-31
Inventor： Sang-Pil Han , Sungil Kim , Jaegyu Park , Minhyup Song
IPC: H04B10/516 , H04B10/50 , H04B10/548 , H04B10/54
Abstract: Disclosed is a multi-channel optical signal generating apparatus, which includes a CW laser that generates a single optical signal, an optical signal processor unit that processes the single optical signal, an oscillator that generates an electrical signal, and an electrical signal processor unit that generates a modulation signal, based on the electrical signal, and the optical signal processor unit includes ‘n’ optical circulators, at least one optical intensity modulator, (m-1) optical phase modulators, and ‘n’ BiODLs, the electrical signal processor unit includes a RF power divider which divides the electrical signal, and ‘m’ RF power amplifiers, the RF power divider divides the electrical signal into ‘m’ divided electrical signals, and the optical signal processor unit modulates and outputs the single optical signal by the at least one optical intensity modulator and the (m-1) optical phase modulators, based on the ‘m’ divided electrical signals divided from the RF power divider.
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公开(公告)号：US11226451B2
公开(公告)日：2022-01-18
申请号：US16750942
申请日：2020-01-23
Inventor： Jaegyu Park , Gyung Ock Kim , Jiho Joo
Abstract: A 3D optical switch for transferring an optical signal between a plurality of layers of an optical integrated circuit, which comprises: a first optical coupler for distributing the optical signal input to a first optical waveguide deployed in a first layer among the plurality of layers to a second optical waveguide deployed in a second layer different from the first layer; a phase shifter for changing a phase of a first optical signal in the first optical waveguide passing through the first optical coupler and a phase of a second optical signal in the second optical waveguide distributed by the first optical coupler; and a second optical coupler for combining the first optical signal of which the phase is changed and the second optical signal of which the phase is changed is provided.
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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
Inventor： Myungjoon Kwack , Jaegyu Park , Jiho Joo , Gyungock Kim
Abstract: 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
Inventor： Jiho Joo , Myungjoon Kwack , Gyungock Kim , Jaegyu Park
IPC: G02B6/124 , G02B6/02 , G02B6/34 , G02F1/19 , G02F1/225 , G02F1/01 , G02B6/42 , G02B6/293 , G02B26/08
Abstract: 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
Inventor： Jaegyu Park , Myungjoon Kwack , Jiho Joo , Gyungock Kim
Abstract: 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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