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1.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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2.发明申请SUPERLUMINESCENT DIODE, METHOD OF MANUFACTURING THE SAME, AND WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER INCLUDING THE SAME 有权超级亮度二极管，其制造方法和包括其的波长外部腔室激光器公开(公告)号：US20150155428A1
公开(公告)日：2015-06-04
申请号：US14616149
申请日：2015-02-06
Inventor： Su Hwan OH , Ki-Hong YOON , Kisoo KIM , O-Kyun KWON , Oh Kee KWON , Byung-Seok CHOI , Jongbae KIM
IPC: H01L33/00
CPC classification number: H01L33/005 , B82Y20/00 , G02B6/305 , G02B6/4206 , H01L33/0045 , H01L33/20 , H01L2933/0016 , H01L2933/0058 , H01S5/02216 , H01S5/02284 , H01S5/026 , H01S5/06226 , H01S5/101 , H01S5/1014 , H01S5/141 , H01S5/2213 , H01S5/2224 , H01S5/2231 , H01S5/34306 , H01S2301/176
Abstract: Provided are a high-speed superluminescent diode, a method of manufacturing the same, and a wavelength-tunable external cavity laser including the same. The superluminescent diode includes a substrate having an active region and an optical mode size conversion region, waveguides including an ridge waveguide in the active region and a deep ridge waveguide in the optical mode size conversion region connected to the active waveguide, an electrode disposed on the ridge waveguide; planarizing layers disposed on sides of the ridge waveguide and the deep ridge waveguide on the substrate, and a pad electrically connected to the electrode, the pad being disposed on the planarizing layers outside the active waveguide.
Abstract translation: 提供了一种高速超发光二极管，其制造方法，以及包括该发光二极管的波长可调谐外腔激光器。 超发光二极管包括具有有源区和光模尺寸转换区的衬底，在有源区中包括脊波导的波导和连接到有源波导的光模尺寸转换区中的深脊波导， 脊波导; 设置在脊波导的侧面上的平坦化层和基板上的深脊波导，以及与该电极电连接的焊盘，该焊盘设置在有源波导的外侧的平坦化层上。
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公开(公告)号：US20180205200A1
公开(公告)日：2018-07-19
申请号：US15712874
申请日：2017-09-22
Inventor： Oh Kee KWON , Chul-Wook LEE , Su Hwan OH , Kisoo KIM
CPC classification number: H01S5/125 , G02B6/12 , G02B6/12004 , G02B2006/12107 , G02B2006/12121 , H01S5/0612 , H01S5/06256 , H01S5/1221 , H01S5/20
Abstract: Provided is a distributed Bragg reflector tunable laser diode including a substrate provided with a gain section having an active waveguide from which a gain of laser light is obtained and a distributed reflector section having a passive waveguide connected to the active waveguide, wherein the distributed reflector section includes gratings disposed on or under the passive waveguide, a current injection electrode disposed on the passive waveguide and configured to provide a current into the passive waveguide to electrically tune a wavelength of the laser light, and a heater electrode disposed on the current injection electrode and configured to heat the passive waveguide to thermally tune the wavelength of the laser light, wherein the gratings, the current injection electrode, and the heater electrode vertically overlap each other.
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公开(公告)号：US20130341486A1
公开(公告)日：2013-12-26
申请号：US13755470
申请日：2013-01-31
Inventor： MyoungSook OH , Bongki MHEEN , Jae-Sik SIM , Kisoo KIM , Yun Jeong LEE , Yong-Hwan KWON , Eun Soo NAM
IPC: G01J1/42
CPC classification number: G01J1/42 , G01S7/481 , G01S7/4863 , G01S7/4914 , G01S17/42 , G01S17/89
Abstract: The present disclosure relates to an apparatus for obtaining 3D information using a photodetector array. The apparatus for obtaining 3D information includes: a light source unit configured to generate an optical signal of a predetermined wavelength band; a light transmission optical lens unit provided on a path of the optical signal and configured to emit the optical signal output from the light source unit in parallel or at a predetermined angle; an optical scanning unit configured to scan the light output from the light transmission optical lens unit to a surface of an object to be measured; a light reception optical lens unit configured to collect the light reflected from the surface of the object; and a photodetection unit configured to convert collected optical signals into respective electrical signals by arraying one or more photodetectors such that light reception portions thereof are collected at a center.
Abstract translation: 本公开涉及一种使用光电检测器阵列获得3D信息的装置。 用于获得3D信息的装置包括：光源单元，被配置为产生预定波长带的光信号; 光传输光学透镜单元，设置在所述光信号的路径上并被配置为平行地或以预定角度发射从所述光源单元输出的光信号; 光扫描单元，被配置为将从所述光传输光学透镜单元输出的光扫描到待测量对象的表面; 光接收光学透镜单元，被配置为收集从所述物体的表面反射的光; 以及光检测单元，被配置为通过排列一个或多个光电检测器将收集的光信号转换成各个电信号，使得其中的光接收部分被收集。
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公开(公告)号：US20220255291A1
公开(公告)日：2022-08-11
申请号：US17561212
申请日：2021-12-23
Inventor： Su Hwan OH , Oh Kee KWON , Chul-Wook LEE , Kisoo KIM
Abstract: Provided is a laser diode and a method for manufacturing the same. The diode includes a substrate including a DBR region having a channel hole, an active region, and a phase shift region, an optical waveguide provided on the substrate and extending from the active region to the DBR region, a lower insulation layer disposed on the optical waveguide, upper electrodes disposed on the lower insulation layer, and a heat blocking layer disposed in the channel hole of the DBR region and thermally separating the optical waveguide from the substrate.
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Patent Agency Ranking
公开(公告)号：US20210288463A1
公开(公告)日：2021-09-16
申请号：US17182976
申请日：2021-02-23
Inventor： Oh Kee KWON , Kisoo KIM , Su Hwan OH , Chul-Wook LEE
Abstract: Provided is a laser device according to embodiments of the inventive concept comprising a substrate including a gain region, a phase control region, and a tuning region arranged along a first direction, the substrate having an air gap which extends from the phase control region to the tuning region, an upper clad layer on the substrate, a waveguide structure extending in the first direction between the upper clad layer and the substrate, a first upper electrode disposed on the upper surface of the upper clad layer of the tuning region, and a lower electrode disposed on a lower surface of the substrate and extending from the gain region to the tuning region, wherein the air gap may have a larger width than the waveguide in a second direction crossing the first direction.
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公开(公告)号：US20190278151A1
公开(公告)日：2019-09-12
申请号：US16295786
申请日：2019-03-07
Inventor： Oh Kee KWON , Kisoo KIM , Sung Bock KIM , Young Ahn LEEM
Abstract: A light comb generating device according to a disclosed embodiment includes a light source for generating light in a reference wavelength band and outputting the generated light, and an optical comb generator for generating a light comb having a reference comb interval from the output light, wherein the light source changes a wavelength of the output light as much as a reference frequency interval for every reference time interval, the light comb is generated within a wavelength range of the reference frequency interval, and the reference wavelength band may be at least about 3 μm and no greater than about 30 μm.
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公开(公告)号：US20220029378A1
公开(公告)日：2022-01-27
申请号：US17313610
申请日：2021-05-06
Inventor： Oh Kee KWON , Su Hwan OH , Chul-Wook LEE , Kisoo KIM
Abstract: Provided are an optical waveguide device and a laser apparatus including the same. The optical waveguide device includes a peripheral part disposed on an edge region of a substrate, an air pocket disposed on a central region of the substrate within the peripheral part, an optical waveguide comprising a core layer, which is disposed on an upper portion of the substrate within the air pocket to extend in a first direction, and an electrode on the core layer, and a plurality of hinges disposed on the air pocket to connect the optical waveguide to the peripheral part in a second direction crossing the first direction.
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公开(公告)号：US20210313766A1
公开(公告)日：2021-10-07
申请号：US17213359
申请日：2021-03-26
Inventor： Oh Kee KWON , Su Hwan OH , Kisoo KIM , Chul-Wook LEE
Abstract: Disclosed are a wavelength-selectable laser diode and an optical communication apparatus including the same. The wavelength-selectable laser diode includes a substrate, which includes a gain region, a tuning region spaced apart from the gain region, and a phase adjusting region between the tuning region and the gain region, a waveguide layer on the substrate, a clad layer on the waveguide layer, and gratings disposed on the substrate or the clad layer in the gain region and the tuning region.
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公开(公告)号：US20180309011A1
公开(公告)日：2018-10-25
申请号：US15956107
申请日：2018-04-18
Inventor： Jae-Sik SIM , Kisoo KIM , Won Seok HAN
IPC: H01L31/107 , H01L31/02 , H01L31/0224 , H01L31/0216 , H01L31/0304 , H01L31/18
CPC classification number: H01L31/107 , H01L31/02027 , H01L31/02161 , H01L31/022408 , H01L31/03042 , H01L31/184
Abstract: Provided is an optical detection device including a first ohmic contact layer of a first conductivity type, a second ohmic contact layer of a second conductivity type, and first and second mesa structures stacked between the first and second ohmic contact layers. The first mesa structure includes an electric field buffer layer; and a diffusion layer formed in the electric field buffer layer. The second mesa structure includes a light absorbing layer and a grading layer on the light absorbing layer.
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