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公开(公告)号：US12197002B2
公开(公告)日：2025-01-14
申请号：US17519424
申请日：2021-11-04
Inventor： Young-Tak Han , Seoktae Kim , Sang Ho Park , Yongsoon Baek , Jang Uk Shin , Seok Jun Yun , Seo Young Lee
Abstract: Disclosed are a heterogeneously integrated optical modulator and a manufacturing method thereof. The modulator includes a substrate having a trench, an input waveguide disposed at one side of the trench, an output waveguide disposed at the other side of the trench, a first Mach-Zehnder interferometer including first branch waveguides disposed between the input waveguide and the output waveguide and a heater disposed on one of the first branch waveguides, and second Mach-Zehnder interferometers connected to each of the first branch waveguides.
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公开(公告)号：US09507109B2
公开(公告)日：2016-11-29
申请号：US14987808
申请日：2016-01-05
Inventor： Young-Tak Han , Jang Uk Shin , Sang-Pil Han , Sang Ho Park , Yongsoon Baek
CPC classification number: G02B6/4279 , G02B6/12002 , G02B6/12004 , G02B6/325 , G02B6/42 , G02B6/4201 , G02B6/4206 , G02B6/4208 , G02B6/4257 , G02B6/4265 , G02B6/4271 , G02B6/428 , G02B6/4281 , G02B2006/12092 , G02B2006/12135
Abstract: Provided is an optical module. The optical module includes: an optical bench having a first trench of a first depth and a second trench of a second depth that is lower than the first depth; a lens in the first trench of the optical bench; at least one semiconductor chip in the second trench of the optical bench; and a flexible printed circuit board covering an upper surface of the optical bench except for the first and second trenches, wherein the optical bench is a metal optical bench or a silicon optical bench.
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公开(公告)号：US09335474B2
公开(公告)日：2016-05-10
申请号：US14311372
申请日：2014-06-23
Inventor： Young-Tak Han , Sang Ho Park , Dong-Hun Lee , Jang Uk Shin , Sang-Pil Han , Yongsoon Baek
CPC classification number: G02B6/136 , G02B6/423 , G02B6/4231 , G02B2006/12176 , H01L24/11 , H01L2924/12042 , H01L2924/12043 , H01L2924/00
Abstract: Provided is an optical device. The optical device includes a substrate having a waveguide region and a mounting region, a planar lightwave circuit (PLC) waveguide including a lower-clad layer and an upper-clad layer on the waveguide region of the substrate and a platform core between the lower-clad layer and the upper-clad layer, a terrace defined by etching the lower-clad layer on the mounting region of the substrate, the terrace including an interlocking part, an optical active chip mounted on the mounting region of the substrate, the optical active chip including a chip core therein, and a chip alignment mark disposed on a mounting surface of the optical active chip. The optical active chip is aligned by interlocking between the interlocking part of the terrace and the chip alignment mark of the optical active chip and mounted on the mounting region.
Abstract translation: 提供了一种光学装置。 光学装置包括具有波导区域和安装区域的基板，在基板的波导区域上包括下覆盖层和上覆盖层的平面光波导路（PLC）波导和位于基板的波导区域之间的平台铁心， 包覆层和上包层，通过蚀刻衬底的安装区域上的下包覆层限定的平台，所述露台包括互锁部分，安装在衬底的安装区域上的光学有源芯片，光学活动 芯片，其中包括芯片芯片，以及设置在光学有源芯片的安装表面上的芯片对准标记。 光学有源芯片通过在平台的互锁部分和光学有源芯片的芯片对准标记之间的互锁对准并且安装在安装区域上。
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4.发明授权公开(公告)号：US09054809B2
公开(公告)日：2015-06-09
申请号：US14175225
申请日：2014-02-07
Inventor： Young-Tak Han , Jang Uk Shin , Sang Ho Park , Yongsoon Baek , Jeong Soo Kim
IPC: H04B10/2575 , H01S5/022 , H01S5/024
CPC classification number: H04B10/2575 , H01L24/48 , H01L24/49 , H01L2224/48137 , H01L2924/00014 , H01L2924/19107 , H01S5/02212 , H01S5/02236 , H01S5/02244 , H01S5/02256 , H01S5/02276 , H01S5/02415 , H01S5/02453 , H01S5/0427 , H01L2224/45099 , H01L2224/45015 , H01L2924/207
Abstract: Provided is a transistor outline (TO)-CAN type optical module and an optical transmission apparatus including the same. The optical module includes a stem, a thermo-electric cooler (TEC) on the stem, a first sub-mount on the TEC, an optical element on the first sub-mount, a plurality of electrode lead wirings inserted from an outside to an inside of the stem and disposed adjacent to the TEC and the optical element, a second sub-mount between the electrode lead wirings and the optical element, radio frequency (RF) transmission lines on the second sub-mount, a plurality of bonding wires connecting the RF transmission lines and the optical element, and the RF transmission lines and the electrode lead wirings, and an impedance matching unit disposed around the RF transmission lines and the electrode lead wirings, and controlling impedances of the RF transmission lines and the electrode lead wires.
Abstract translation: 提供了一种晶体管轮廓（TO）-CAN型光学模块和包括其的光学传输装置。 所述光学模块包括杆，所述杆上的热电冷却器（TEC），所述TEC上的第一子安装件，所述第一子安装座上的光学元件，从外部插入的多个电极引线布线 在所述杆的内部并且邻近所述TEC和所述光学元件设置在所述电极引线配线和所述光学元件之间的第二子安装件，所述第二子安装座上的射频（RF）传输线，多个连接 RF传输线和光学元件以及RF传输线和电极引线配线以及设置在RF传输线和电极引线配线周围的阻抗匹配单元，以及控制RF传输线和电极引线的阻抗 。
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公开(公告)号：US20230073881A1
公开(公告)日：2023-03-09
申请号：US17852173
申请日：2022-06-28
Inventor： Hyun Soo KIM , Duk Jun Kim , Dong-Young Kim , Ho Sung Kim , Youngsoon Baek , Jang Uk Shin , Young-Tak Han , Won Seok Han
Abstract: Disclosed are a Mach-Zehnder interferometric optical modulator and a method for manufacturing the same. The modulator includes first and second lower clad layers, a core layer, an upper clad layer, a waveguide, and electrodes. The waveguide may include an input waveguide, a waveguide divider, branch waveguides, and a waveguide combiner. Each of the branch waveguides includes first and second connection regions connected to the waveguide combiner and the waveguide divider, respectively, and a phase shift region having a cross-section of a reverse mesa structure that has an upper width that is the same as widths of the first and second connection regions and a lower width that is smaller than the widths of the first and second connection regions.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20160013621A1
公开(公告)日：2016-01-14
申请号：US14608385
申请日：2015-01-29
Inventor： Young Ahn LEEM , Kisoo KIM , Oh Kee KWON , Young-Tak Han
CPC classification number: H01S5/2077 , H01S5/0287 , H01S5/1231 , H01S5/3434 , H01S5/4031
Abstract: Provided is a method of manufacturing a distributed feedback laser diode array (DFB-LDA) including: forming active layers corresponding to a plurality of channels using electron beam lithography; forming a plurality of mask patterns between the active layers; and growing the active layers using electron beam lithography, wherein the opening widths of the plurality of mask patterns corresponding to the plurality of channels are different from one another.
Abstract translation: 提供一种制造分布反馈激光二极管阵列（DFB-LDA）的方法，包括：使用电子束光刻形成对应于多个通道的有源层; 在有源层之间形成多个掩模图案; 以及使用电子束光刻技术生长所述有源层，其中对应于所述多个通道的所述多个掩模图案的开口宽度彼此不同。
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公开(公告)号：US12072600B2
公开(公告)日：2024-08-27
申请号：US17852173
申请日：2022-06-28
Inventor： Hyun Soo Kim , Duk Jun Kim , Dong-Young Kim , Ho Sung Kim , Yongsoon Baek , Jang Uk Shin , Young-Tak Han , Won Seok Han
Abstract: Disclosed are a Mach-Zehnder interferometric optical modulator and a method for manufacturing the same. The modulator includes first and second lower clad layers, a core layer, an upper clad layer, a waveguide, and electrodes. The waveguide may include an input waveguide, a waveguide divider, branch waveguides, and a waveguide combiner. Each of the branch waveguides includes first and second connection regions connected to the waveguide combiner and the waveguide divider, respectively, and a phase shift region having a cross-section of a reverse mesa structure that has an upper width that is the same as widths of the first and second connection regions and a lower width that is smaller than the widths of the first and second connection regions.
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公开(公告)号：US10809457B2
公开(公告)日：2020-10-20
申请号：US16373551
申请日：2019-04-02
Inventor： Seo Young Lee , Young-Tak Han
Abstract: Provided is an optical circuit element, and more particularly, is an optical circuit element that splits one optical signal into two polarization signals, or couples two polarization signals into one optical signal. The optical circuit element includes a plurality of input couplers to which an optical signal is input, a plurality of output couplers from which an optical signal is output, a first path and a second path configured to connect the input couplers and the second couplers to each other, and at least one wave plate.
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9.发明授权公开(公告)号：US09265140B2
公开(公告)日：2016-02-16
申请号：US13910213
申请日：2013-06-05
Inventor： Young-Tak Han , Jang Uk Shin , Sang Ho Park , Yongsoon Baek
CPC classification number: H05K1/0251 , H05K1/0219 , H05K1/0221 , H05K1/141 , H05K1/142 , H05K1/144 , H05K1/145 , H05K1/181 , H05K2201/09236 , H05K2201/09618 , H05K2201/09727 , H05K2201/10121
Abstract: Provided are structures for connecting trace lines of printed circuit boards and optical transceiver modules with the same. The module may include an optical transmitter/receiver part, a signal processing unit, a flexible PCB, and a rigid PCB. The flexible PCB may include a first signal line, and the rigid PCB may include a second signal line. The flexible PCB and the rigid PCB may be overlapped with each other. The first signal line and the second signal line may not be overlapped with each other and be electrically connected to each other by a junction soldering structure. It is possible to transmit high quality and high frequency signals through the first and second signal lines.
Abstract translation: 提供了用于连接印刷电路板的轨迹线和具有该印刷电路板的光收发器模块的结构。 该模块可以包括光发射器/接收器部分，信号处理单元，柔性PCB和刚性PCB。 柔性PCB可以包括第一信号线，并且刚性PCB可以包括第二信号线。 柔性PCB和刚性PCB可以彼此重叠。 第一信号线和第二信号线可以彼此不重叠并且通过连接焊接结构彼此电连接。 可以通过第一和第二信号线传输高质量和高频信号。
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公开(公告)号：US20130163993A1
公开(公告)日：2013-06-27
申请号：US13727222
申请日：2012-12-26
Inventor： Byungseok Choi , Su Hwan Oh , Ki-Hong Yoon , Kisoo Kim , Hyun Soo KIM , O-Kyun Kwon , Young-Tak Han
IPC: H04B10/572
CPC classification number: H04B10/572 , H01S5/02272 , H01S5/0612 , H01S5/101 , H01S5/141 , H01S5/227
Abstract: Disclosed is a directly-coupled wavelength-tunable external cavity laser including a gain medium that generates an optical signal by an applied bias current; an optical waveguide structure that is coupled to the gain medium to form a minor surface and causes lasing in the mirror surface when the applied bias current has a threshold or higher; and a radio frequency transmission medium that adds a radio frequency signal to the applied bias current to adjust an operating speed of the optical signal.
Abstract translation: 公开了一种直接耦合的波长可调谐外腔激光器，其包括通过施加的偏置电流产生光信号的增益介质; 光波导结构，其耦合到所述增益介质以形成次表面，并且当所施加的偏置电流具有阈值或更高时，在所述镜表面中引起激光; 以及射频传输介质，其将射频信号与所施加的偏置电流相加以调整光信号的操作速度。
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