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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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2.发明申请OPTICAL LINE TERMINAL FOR MONITORING AND CONTROLLING UPSTREAM/DOWNSTREAM OPTICAL SIGNALS 有权用于监测和控制上下游光电信号的光线路终端公开(公告)号：US20140161445A1
公开(公告)日：2014-06-12
申请号：US13848222
申请日：2013-03-21
Inventor： Jong Sool JEONG , Hyun Soo Kim , Mi-Ran Park , Byungseok Choi , O-Kyun Kwon
IPC: H04B10/07
CPC classification number: H04B10/0773 , H04B10/0775 , H04B2210/075 , H04J14/0276
Abstract: Disclosed is an optical line terminal for monitoring and controlling upstream and downstream optical signals, and more particularly, to an optical line terminal for monitoring and controlling upstream and downstream optical signals, which adds different low frequency monitoring signals to upstream and downstream wavelength division multiplexing optical signals in a bidirectional wavelength division multiplexing (WDM) optical network and senses and detects low frequency components of upstream and downstream optical signals to unite, monitor, and control optical outputs and wavelengths of the upstream and downstream wavelength division multiplexing optical signals into a single system.
Abstract translation: 公开了一种用于监视和控制上下游光信号的光线路终端，更具体地，涉及用于监视和控制上下游光信号的光线路终端，其将不同的低频监视信号添加到上行和下行波分复用光信号 信号在双向波分复用（WDM）光网络中，并感测和检测上下游光信号的低频分量，以将上行和下行波分复用光信号的光输出和波长统一，监控和控制成单个系统 。
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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：US08999744B2
公开(公告)日：2015-04-07
申请号：US14220431
申请日：2014-03-20
Inventor： Mi-Ran Park , O-Kyun Kwon
IPC: H01L31/107 , H01L31/02 , H01L31/18 , H01L31/0216
CPC classification number: H01L31/107 , H01L31/02027 , H01L31/02161 , H01L31/184 , Y02E10/544
Abstract: Provided are an avalanche photodiode and a method of fabricating the same. The method of fabricating the avalanche photodiode includes sequentially forming a compound semiconductor absorption layer, a compound semiconductor grading layer, a charge sheet layer, a compound semiconductor amplification layer, a selective wet etch layer, and a p-type conductive layer on an n-type substrate through a metal organic chemical vapor deposition process.
Abstract translation: 提供了一种雪崩光电二极管及其制造方法。 制造雪崩光电二极管的方法包括：在n型衬底上依次形成化合物半导体吸收层，化合物半导体分级层，电荷层，化合物半导体放大层，选择性湿蚀刻层和p型导电层。 通过金属有机化学气相沉积工艺形成衬底。
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公开(公告)号：US20140270811A1
公开(公告)日：2014-09-18
申请号：US13939317
申请日：2013-07-11
Inventor： Mi-Ran PARK , Hyun Soo Kim , Jong Sool Jeong , O-Kyun Kwon
IPC: H04B10/60
CPC classification number: H04B10/60 , G02B6/4214 , G02B6/4281 , H04B10/2504 , H04B10/40 , H04B10/50
Abstract: A multi-channel optical receiving module includes a first substrate disposed on a bench, optical fibers disposed in grooves of the first substrate, a first lens disposed on the first substrate and collimating optical signals through the optical fibers, a second substrate disposed on the bench at a side of the first substrate, a light receiving device disposed on the second substrate, a second lens disposed over the light receiving device, a mirror reflecting the optical signals between the first lens and the second lens, and a block fixing the mirror. The block includes through-holes transmitting the optical signals between the first and second lenses without refraction of the optical signals.
Abstract translation: 多通道光接收模块包括设置在工作台上的第一衬底，设置在第一衬底的凹槽中的光纤，设置在第一衬底上的第一透镜，以及通过光纤准直光信号;第二衬底，设置在台架上 在第一基板的一侧，设置在第二基板上的光接收装置，设置在光接收装置上的第二透镜，反射第一透镜和第二透镜之间的光信号的反射镜和固定反射镜的块。 该块包括在第一和第二透镜之间传输光信号而不折射光信号的通孔。
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Patent Agency Ranking
公开(公告)号：US10291327B1
公开(公告)日：2019-05-14
申请号：US15855825
申请日：2017-12-27
Inventor： O-Kyun Kwon , Namje Kim , Miran Park , Shinmo An , Won Seok Han
IPC: H04B10/07 , H04B10/40 , H04B10/50 , H04B10/54 , H04B10/60 , H04B10/077 , H04B10/2575
Abstract: An optical signal generating apparatus according to an embodiment of the inventive concept includes a first optical intensity modulator for modulating a first optical signal to generate a 2N-level (where N is a positive integer) second optical signal in the form of a binary signal, a first optical amplifier for amplifying the second optical signal to generate a third optical signal, and a second optical intensity modulator for modulating the third optical signal to generate a 2N+1-level fourth optical signal in the form of a binary signal. The optical signal generating apparatus according to an embodiment of the inventive concept may generate a low-cost, high-quality optical signal by using an optical device to generate a multi-level optical signal. Additionally, the optical signal generating apparatus according to an embodiment of the inventive concept may generate a multi-level optical signal by sequentially performing optical modulation and optical amplification operations.
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公开(公告)号：US20140023313A1
公开(公告)日：2014-01-23
申请号：US13795654
申请日：2013-03-12
Inventor： Hyun Soo KIM , Mi-Ran Park , Jong Sool Jeong , Byungseok Choi , O-Kyun Kwon
Abstract: Disclosed are a hybrid integrated optical device capable of more easily implementing impedance matching of a transmission line by using a polymer material on which a low-temperature process may be performed when an optical waveguide platform is fabricated, and a fabrication method thereof. The hybrid integrated optical device according to an exemplary embodiment of the present disclosure includes: a substrate divided into a waveguide region and a line region; a lower clad layer formed of silica and formed on the substrate; a transmission line part formed on the lower clad layer of the line region; and a height adjustment layer, a core layer, and an upper clad layer formed of a polymer and sequentially formed on the lower clad layer of the waveguide region, in which an optical waveguide is formed on the core layer.
Abstract translation: 公开了一种混合集成光学装置及其制造方法，其能够通过使用在制造光波导平台时可以进行低温处理的聚合物材料更容易地实现传输线的阻抗匹配。 根据本公开的示例性实施例的混合集成光学装置包括：分为波导区域和线路区域的基板; 由二氧化硅形成的下包层，形成在基板上; 形成在所述线区域的下包层上的传输线部分; 以及由聚合物形成的高度调整层，芯层和上覆盖层，并顺序地形成在波导区域的下包层上，其中在芯层上形成光波导。
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公开(公告)号：US11018475B2
公开(公告)日：2021-05-25
申请号：US16561420
申请日：2019-09-05
Inventor： Namje Kim , O-Kyun Kwon , Miran Park , Tae-Soo Kim , Shinmo An , Won Seok Han
Abstract: Provided is a quarter-wavelength shifted distributed feedback laser diode. The laser diode includes a substrate having a laser diode section and a phase adjustment section, a waveguide layer on the substrate, a clad layer on the waveguide layer, a grating disposed in the clad layer in the laser diode section, an anti-reflection coating disposed on one side walls, of the substrate, the waveguide layer, and the clad layer, adjacent to the laser diode section, and a high reflection coating disposed on the other side walls, of the substrate, the waveguide layer, and the clad layer, adjacent to the phase adjustment section.
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公开(公告)号：US10985530B2
公开(公告)日：2021-04-20
申请号：US16539665
申请日：2019-08-13
Inventor： O-Kyun Kwon , Namje Kim , Miran Park , Tae-Soo Kim , Shinmo An , Won Seok Han
Abstract: Provided is a tunable semiconductor laser including an active gain region in which an optical signal is generated according to a modulation signal, a mode control region in which a resonant mode is controlled according to a mode control signal, and a signal chirp of the optical signal is compensated according to a first compensation signal determined based on the modulation signal, and a distributed Bragg reflector (DBR) region in which an oscillation wavelength of the optical signal is determined based on a wavelength selection signal for the optical signal, a second compensation signal for compensating for a thermal chirp of the optical signal on a basis of the modulation signal, and a heater signal provided to a heater electrode.
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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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