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公开(公告)号：US08902937B2
公开(公告)日：2014-12-02
申请号：US13848247
申请日：2013-03-21
Inventor： Ki-Hong Yoon , O-Kyun Kwon , Kisoo Kim , Byungseok Choi , Hyun Soo Kim , Su Hwan Oh
CPC classification number: H01S3/10 , H01S3/10053 , H01S5/0085 , H01S5/02284 , H01S5/026 , H01S5/0265 , H01S5/141 , H01S5/142
Abstract: The present disclosure relates to a compact external cavity tunable laser apparatus. The laser apparatus includes a substrate, an external cavity tunable reflecting unit that reflects laser light entering from the outside on the substrate and selects and varies a wavelength of the reflected laser light, an optical fiber that outputs the laser light on the substrate; and an highly integrated light source that integrates the laser light input from the external cavity tunable reflecting unit using inclined input and output waveguides, a curved waveguide, and a straight waveguide to output the integrated laser light to the optical fiber in order to match an optical axis formed with the external cavity tunable reflecting unit with an optical axis formed with an optical fiber.
Abstract translation: 本公开涉及一种紧凑的外部可调谐激光装置。 该激光装置包括：基板，外部可调谐反射部，其反射从基板外部进入的激光，并选择并改变反射的激光的波长;将激光输出到基板上的光纤; 以及高度集成的光源，其使用倾斜的输入和输出波导，弯曲波导和直波导将来自外部腔体可调谐反射单元的激光输入，以将集成的激光输出到光纤以匹配光学 轴与外腔可调谐反射单元形成，光轴由光纤形成。
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公开(公告)号：US12068576B2
公开(公告)日：2024-08-20
申请号：US17313610
申请日：2021-05-06
Inventor： Oh Kee Kwon , Su Hwan Oh , Chul-Wook Lee , Kisoo Kim
IPC: H01S5/026 , G02B6/02 , H01S5/024 , H01S5/0625 , H01S5/125
CPC classification number: H01S5/0261 , G02B6/0208 , H01S5/02461 , H01S5/06256 , H01S5/125
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：US09343614B2
公开(公告)日：2016-05-17
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 , H01S5/026 , H01S5/14 , H01L33/20 , B82Y20/00 , H01S5/022 , H01S5/062 , H01S5/10 , H01S5/223 , H01S5/343 , H01S5/22 , G02B6/30 , G02B6/42
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.
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公开(公告)号：US11710938B2
公开(公告)日：2023-07-25
申请号：US17213359
申请日：2021-03-26
Inventor： Oh Kee Kwon , Su Hwan Oh , Kisoo Kim , Chul-Wook Lee
CPC classification number: H01S5/0611 , H01S5/1209 , H01S5/1218 , H01S5/2228 , H01S5/34 , H04B10/503
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：US10935817B2
公开(公告)日：2021-03-02
申请号：US16584363
申请日：2019-09-26
Inventor： Oh Kee Kwon , Kisoo Kim , Su Hwan Oh , Chul-Wook Lee
IPC: G02F1/01
Abstract: An optical device according to the embodiment of the inventive concept includes a waveguide path including a light generation region, a wavelength variable region, and a light modulation region, a first light waveguide layer provided in the light generation region to generate light, a second light waveguide layer provided in the wavelength variable region and connected to the first light waveguide layer, a ring-shaped third light waveguide layer provided in the light modulation region and connected to the second light waveguide layer, and first and second light modulation electrodes spaced apart from each other with the light modulation region therebetween. Here, the first light modulation electrode, the third light waveguide layer, and the second light modulation electrode vertically overlap each other.
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Patent Agency Ranking
公开(公告)号：US10658538B2
公开(公告)日：2020-05-19
申请号：US15956107
申请日：2018-04-18
Inventor： Jae-Sik Sim , Kisoo Kim , Won Seok Han
IPC: H01L31/107 , H01L31/02 , H01L31/18 , H01L31/0216 , H01L31/0304 , H01L31/0224 , H01L31/0352
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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公开(公告)号：US09148227B2
公开(公告)日：2015-09-29
申请号：US14258699
申请日：2014-04-22
Inventor： Hyun Soo Kim , Dong-Hun Lee , Mi-Ran Park , Byung-Seok Choi , Kisoo Kim , O-Kyun Kwon
IPC: H04B10/00 , H04B10/50 , H04B10/516
CPC classification number: H04B10/501 , H04B10/2587 , H04B10/272 , H04B10/516
Abstract: Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet.
Abstract translation: 提供了一种反射无色光发射机，其接收作为连续波的载波信号，并输出调制的光信号。 反射无色光发射机包括放大输入光信号以允许输入光信号具有增益的半导体光放大器（SOA），连接到SOA并输出调制光信号的光调制器，反映调制光的高反射面 来自光调制器的信号，以及连接到高反射面的布拉格反射镜，光调制器和SOA串联，其中由布拉格反射镜和高反射面形成布拉格谐振器。
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公开(公告)号：US08995480B2
公开(公告)日：2015-03-31
申请号：US13676760
申请日：2012-11-14
Inventor： Ki-Hong Yoon , O-Kyun Kwon , Su Hwan Oh , Kisoo Kim , Byung-seok Choi , Hyun Soo Kim
IPC: H01S3/10 , H01S5/14 , H01S3/1055 , H01S5/06 , H01S5/40
CPC classification number: H01S3/10 , H01S3/1055 , H01S5/0612 , H01S5/142 , H01S5/4006
Abstract: The present disclosure relates to a tunable laser module including a light gain area unit for outputting an optical signal; an optical distributor for separating the optical signal output from the light gain area unit; two comb reflection units for reflecting a part of optical signals separated by the optical distributor and allow a part of the optical signals to penetrate; two phase units for changing phases of the optical signals penetrating the two comb reflection units; an optical coupler for combining the optical signals of which the phases are changed by the two phase units; and an optical amplifier for amplifying the optical signal combined by the optical coupler, wherein the light gain area unit oscillates a laser by totally reflecting the optical signals reflected by the two comb reflection units.
Abstract translation: 本发明涉及一种包括用于输出光信号的光增益区单元的可调谐激光模块; 光分配器，用于分离从光增益区单元输出的光信号; 两个梳状反射单元，用于反射由光学分配器分离的光信号的一部分，并允许光信号的一部分穿透; 两相单元，用于改变穿过两个梳状反射单元的光信号的相位; 光耦合器，用于组合相位由两相单元改变的光信号; 以及光放大器，用于放大由光耦合器组合的光信号，其中光增益区单元通过全反射由两个梳状反射单元反射的光信号来振荡激光。
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公开(公告)号：US20140240691A1
公开(公告)日：2014-08-28
申请号：US13916250
申请日：2013-06-12
Inventor： Bongki MHEEN , MyoungSook Oh , Kisoo Kim , Jae-Sik Sim , Yong-Hwan Kwon , Eun Soo Nam
IPC: G01S17/89
CPC classification number: G01S17/89 , G01S7/4815 , G01S7/4818 , G01S7/484 , G01S7/4863
Abstract: Disclosed are a laser radar system and a method for acquiring an image of a target, and the laser radar system includes: a beam source to emit the laser beam; a beam deflector disposed between the beam source and the target, and configured to deflect the laser beam emitted from the beam source in a scanning direction of the target as time elapses; and an optical detector configured to detect the laser beam reflected from the target, which is provided a plurality of beam spots having a diameter DRBS; and a receiving optical system disposed between the target and the optical detector and configured to converge the laser beam reflected from the target, and the optical detector includes a detecting area having a diameter DDA that satisfies an equation of √{square root over (/2)}×PRBS+2×DRBS≦DDA≦2×Dlens and an equation of (4/π)×λ×F_number
Abstract translation: 公开了一种用于获取目标图像的激光雷达系统和方法，并且激光雷达系统包括：发射激光束的光束源; 光束偏转器，设置在所述光束源和所述目标之间，并且被配置为随着时间的过去使从所述光束源发射的激光束沿所述目标的扫描方向偏转; 以及光检测器，被配置为检测从所述目标物反射的激光束，所述激光束设置有多个具有直径DRBS的光束点; 以及接收光学系统，设置在所述目标和所述光学检测器之间并且被配置为会聚从所述目标物反射的所述激光束，并且所述光学检测器包括具有直径DDA的检测区域，所述检测区域满足以下等式：√{平方根超过（/ 2 ）}×PRBS + 2×DRBS＆nlE; DDA＆nlE; 2×Dlens和（4 /＆pgr;）×λ×F_number
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公开(公告)号：US20140064306A1
公开(公告)日：2014-03-06
申请号：US13848247
申请日：2013-03-21
Inventor： Ki-Hong Yoon , O-Kyun Kwon , Kisoo Kim , Byungseok Choi , Hyun Soo Kim , Su Hwan Oh
IPC: H01S3/10
CPC classification number: H01S3/10 , H01S3/10053 , H01S5/0085 , H01S5/02284 , H01S5/026 , H01S5/0265 , H01S5/141 , H01S5/142
Abstract: The present disclosure relates to a compact external cavity tunable laser apparatus. The laser apparatus includes a substrate, an external cavity tunable reflecting unit that reflects laser light entering from the outside on the substrate and selects and varies a wavelength of the reflected laser light, an optical fiber that outputs the laser light on the substrate; and an highly integrated light source that integrates the laser light input from the external cavity tunable reflecting unit using inclined input and output waveguides, a curved waveguide, and a straight waveguide to output the integrated laser light to the optical fiber in order to match an optical axis formed with the external cavity tunable reflecting unit with an optical axis formed with an optical fiber.
Abstract translation: 本公开涉及一种紧凑的外部可调谐激光装置。 该激光装置包括：基板，外部可调谐反射部，其反射从基板外部进入的激光，并选择并改变反射的激光的波长;将激光输出到基板上的光纤; 以及高度集成的光源，其使用倾斜的输入和输出波导，弯曲波导和直波导将来自外部腔体可调谐反射单元的激光输入，以将集成的激光输出到光纤以匹配光学 轴与外腔可调谐反射单元形成，光轴由光纤形成。
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