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11.发明授权公开(公告)号：US09761750B2
公开(公告)日：2017-09-12
申请号：US14964557
申请日：2015-12-09
Inventor： Ki Won Moon , Kyung Hyun Park
CPC classification number: H01L31/09 , G02F2/02 , G02F2203/13
Abstract: Provided herein is a large caliber terahertz wave generating device having a photonic crystal structure. The device includes a first electrode and a second electrode. The first electrode includes a first line pattern extending in a first direction, second line patterns coupled to the first line pattern and extending in a second direction, and third line patterns which are coupled to the first line pattern, extend in the second direction, are disposed between the second line patterns, and are longer than the second line patterns. The second electrode includes a fourth line pattern which extends in the first direction, fifth line patterns coupled to the fourth line pattern and extending in the second direction, and sixth line patterns which are coupled to the fourth line pattern, extend in the second direction, are disposed between the fifth line patterns, and are longer than the fifth line patterns.
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公开(公告)号：US09715069B2
公开(公告)日：2017-07-25
申请号：US15143148
申请日：2016-04-29
Inventor： Eui Su Lee , Won Hui Lee , Kyung Hyun Park
CPC classification number: G02B6/4201 , H01L31/09 , H01S5/0262 , H01S5/1007
Abstract: Disclosed is a photo diode. The photo diode includes: at least two branched waveguides configured to receive beating signals; absorbing layers disposed in vertical directions to the waveguides, and disposed while being spaced apart from distal ends of the waveguides by a predetermined interval; and one or more intermediate layers formed based on the distal ends of the waveguides and disposed with the absorbing layers at upper end of the one or more intermediate layers.
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13.发明授权Beating signal monitoring module, terahertz wave generation device and optical signal monitoring device including the beating signal monitoring module 有权跳频信号监测模块，太赫兹波发生装置和光信号监测装置，包括跳动信号监测模块公开(公告)号：US09410851B2
公开(公告)日：2016-08-09
申请号：US14023257
申请日：2013-09-10
Inventor： Namje Kim , Sang-Pil Han , Kyung Hyun Park , Han-Cheol Ryu , Hyunsung Ko , Jeong Woo Park
CPC classification number: G01J9/04
Abstract: The inventive concept relates to a beating signal monitoring module and a terahertz wave generation device and an optical signal monitoring device that including the beating signal monitoring module. The beating signal monitoring module includes a nonlinear unit generating an optical signal including a FWM light in response to a beating signal generated from a first light and a second light; a filter unit separating the FWM light from the optical signal and outputting the separated FWM light; and a monitoring unit monitoring the beating signal using the separated FWM light. The beating signal monitoring module and a terahertz wave generation device and an optical signal monitoring device that including the beating signal monitoring module can effectively monitor a beating signal being generated by two lasers using a Four Wave Mixing signal.
Abstract translation: 本发明构思涉及一种包括跳动信号监测模块的跳动信号监测模块和太赫兹波发生装置以及光信号监测装置。 跳动信号监控模块包括：非线性单元，响应于从第一光和第二光产生的拍打信号，产生包括FWM光的光信号; 滤波器单元，将FWM光与光信号分离，并输出分离的FWM光; 以及监视单元，使用分离的FWM光监视拍动信号。 跳动信号监测模块和太赫兹波发生装置以及包括跳动信号监测模块的光信号监测装置可以使用四波混频信号有效地监测由两个激光器产生的跳动信号。
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公开(公告)号：US09228826B2
公开(公告)日：2016-01-05
申请号：US13802198
申请日：2013-03-13
Inventor： Han-Cheol Ryu , Namje Kim , Sang-Pil Han , Kyung Hyun Park , Hyunsung Ko , Jeong Woo Park
IPC: G01B11/06
CPC classification number: G01B11/06
Abstract: A contactless thickness measuring apparatus is provided which includes an terahertz transmitter configured to receive the first optical path signal from the coupler and to generate a terahertz continuous wave using the first optical signal and an applied bias; an optical delay line configured to delay the second optical path signal output from the coupler; and an terahertz receiver configured to receive the terahertz continuous wave penetrating a sample and to detect an optical current using the terahertz continuous wave and the second optical path signal delayed. A thickness of the sample is a value corresponding to the optical current which phase value becomes a constant regardless of a plurality of measurement frequencies.
Abstract translation: 提供了一种非接触式厚度测量装置，其包括太赫兹发射器，其被配置为从耦合器接收第一光路信号并使用第一光信号和施加的偏压产生太赫兹连续波; 光延迟线，被配置为延迟从耦合器输出的第二光路信号; 以及太赫兹接收器，被配置为接收穿透样本的太赫兹连续波，并且使用太赫兹连续波和第二光路信号延迟来检测光电流。 样品的厚度是与光电流相对应的值，该相位值成为常数，而与多个测量频率无关。
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公开(公告)号：US08772725B2
公开(公告)日：2014-07-08
申请号：US13840956
申请日：2013-03-15
Inventor： Jeong Woo Park , Kyung Hyun Park , Han-Cheol Ryu , Dong-Hun Lee , Sang-Pil Han , Hyunsung Ko , Namje Kim
IPC: G01J5/02
CPC classification number: H01L31/02 , G02F1/3534 , G02F2203/13 , H01L31/0232 , H01L31/02327 , H01L31/105 , H01S5/005 , H01S5/0092 , H01S5/4012 , H01S5/4087 , H03B2200/0084
Abstract: An optical device may include first and second lasers generating first and second laser beams; and a photo detector detecting the first and second laser beams. The optical detector comprises a substrate, a first impurity layer on the substrate, an absorption layer on the first impurity layer and a second impurity layer on the absorption layer. The absorption layer generates a terahertz by a beating of the first and second laser beams and has a thickness of less than 0.2 μm.
Abstract translation: 光学装置可以包括产生第一和第二激光束的第一和第二激光器; 以及检测第一和第二激光束的光电检测器。 光学检测器包括衬底，衬底上的第一杂质层，第一杂质层上的吸收层和吸收层上的第二杂质层。 吸收层通过第一和第二激光束的跳动产生太赫兹，并且具有小于0.2μm的厚度。
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Patent Agency Ranking
公开(公告)号：US20130299701A1
公开(公告)日：2013-11-14
申请号：US13840956
申请日：2013-03-15
Inventor： Jeong Woo Park , Kyung Hyun Park , Han-Cheol Ryu , Dong-Hun Lee , Sang-Pil Han , Hyunsung Ko , Namje Kim
IPC: H01L31/02 , H01L31/0232
CPC classification number: H01L31/02 , G02F1/3534 , G02F2203/13 , H01L31/0232 , H01L31/02327 , H01L31/105 , H01S5/005 , H01S5/0092 , H01S5/4012 , H01S5/4087 , H03B2200/0084
Abstract: An optical device may include first and second lasers generating first and second laser beams; and a photo detector detecting the first and second laser beams. The optical detector comprises a substrate, a first impurity layer on the substrate, an absorption layer on the first impurity layer and a second impurity layer on the absorption layer. The absorption layer generates a terahertz by a beating of the first and second laser beams and has a thickness of less than 0.2 μm.
Abstract translation: 光学装置可以包括产生第一和第二激光束的第一和第二激光器; 以及检测第一和第二激光束的光电检测器。 光学检测器包括衬底，衬底上的第一杂质层，第一杂质层上的吸收层和吸收层上的第二杂质层。 吸收层通过第一和第二激光束的跳动产生太赫兹，并且具有小于0.2μm的厚度。
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公开(公告)号：US11876143B2
公开(公告)日：2024-01-16
申请号：US17513805
申请日：2021-10-28
Inventor： Kiwon Moon , Kyung Hyun Park , Dong Woo Park , Jun-Hwan Shin , Eui Su Lee , Hyun Soo Kim , Il Min Lee
IPC: H01L31/102 , H01L29/88 , H01L31/0304 , G02F2/02 , H03B7/08
CPC classification number: H01L31/102 , G02F2/02 , H01L29/882 , H01L31/03048 , H03B7/08 , G02F2203/13
Abstract: Provided is a terahertz light source device including an antenna, a plurality of wire electrodes configured to connect the antenna to a power source, a capacitor connected to the wire electrodes between the antenna and the power source, and a plurality of resonance tunneling diodes connected to the wire electrodes between the capacitor and the antenna, and configured to generate a terahertz wave by coupling with the capacitor as a parallel resonance circuit with respect to the power source.
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公开(公告)号：US11121442B2
公开(公告)日：2021-09-14
申请号：US16588271
申请日：2019-09-30
Inventor： Dahye Choi , Kyung Hyun Park , Il Min Lee
Abstract: Provided is a waveguide including an input end configured to receive an input wave from an outside; a filtering portion configured to change a frequency range of the input wave; an output end configured to output an output wave of which a frequency range is changed from the frequency range of the input wave; and an inner wall controller configured to control a size of an inner wall of the filtering portion such that the frequency range of the input wave changes to the frequency range of the output wave.
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公开(公告)号：US10082627B2
公开(公告)日：2018-09-25
申请号：US15808640
申请日：2017-11-09
Inventor： Kyung Hyun Park , Il Min Lee , Eui Su Lee , Ho Jin Lee , Sang Pil Han , Hyun Soo Kim , Ki Won Moon , Dong Woo Park
CPC classification number: G02B6/262 , G02B6/10 , G02B6/24 , G02B6/264 , G02B27/0927 , G02B27/0944
Abstract: An apparatus providing a terahertz (THz) wave may comprise at least one THz wave generator each of which generates a THz wave; at least one first phase adjuster adjusting a phase of the generated THz wave; at least one waveguide part receiving and combining the at least one phase-adjusted THz wave radiated from the at least one first phase adjuster, and guiding the combined THz wave; at least one second phase adjuster adjusting a phase of the combined THz wave from the at least one waveguide part, which is connected to the at least one waveguide part or disposed in a portion of the at least one waveguide part; and an output module outputting the THz wave guided from the at least one waveguide part.
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公开(公告)号：US09236711B2
公开(公告)日：2016-01-12
申请号：US14176838
申请日：2014-02-10
Inventor： Kyung Hyun Park
IPC: H01S5/10 , H01S5/0625 , G02F1/35 , H01S5/00 , H01S5/026 , H01S5/042 , H01S5/06 , H01S5/12 , H01S5/40
CPC classification number: H01S5/1092 , G02F1/3534 , G02F2203/13 , H01S5/0092 , H01S5/026 , H01S5/0425 , H01S5/0612 , H01S5/06258 , H01S5/1096 , H01S5/12 , H01S5/1215 , H01S5/4087
Abstract: A method of manufacturing a frequency tunable terahertz transceiver including two separate distributed feedback lasers manufactured in one substrate, includes forming a lower clad layer on the substrate, forming an active layer on the lower clad layer, forming an upper clad layer on the active layer. And interposing first and second diffraction grating layers between the upper clad layers. A diffraction grating is manufactured by etching the first and second diffraction grating layers. The active layer is integrated into a passive waveguide. An electrode is formed on the upper clad layer.
Abstract translation: 一种制造可调谐的太赫兹收发器的方法，包括在一个衬底中制造的两个分开的分布反馈激光器，包括在衬底上形成下覆盖层，在下包层上形成有源层，在有源层上形成上覆层。 并且在上包层之间插入第一和第二衍射光栅层。 通过蚀刻第一和第二衍射光栅层来制造衍射光栅。 有源层集成到无源波导中。 在上包层上形成电极。
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