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公开(公告)号：US20150125159A1
公开(公告)日：2015-05-07
申请号：US14258699
申请日：2014-04-22
发明人： Hyun Soo KIM , Dong-Hun LEE , Mi-Ran PARK , Byung-Seok CHOI , Kisoo KIM , O-Kyun KWON
IPC分类号： H04B10/50 , H04B10/516
CPC分类号： H04B10/501 , H04B10/2587 , H04B10/272 , H04B10/516
摘要： 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.
摘要翻译： 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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2.发明申请WAVELENGTH DIVISION MULTIPLEXING OPTICAL TRANSMITTING APPARATUS AND OPERATING METHOD OF THE SAME 审中-公开波长段多路复用光传输装置及其操作方法公开(公告)号：US20140233945A1
公开(公告)日：2014-08-21
申请号：US14185351
申请日：2014-02-20
发明人： Jong Sool JEONG , Hyun Soo KIM , Mi-Ran PARK , Byung-Seok CHOI , O-Kyun KWON
IPC分类号： H04J14/02 , H04B10/079
CPC分类号： H04J14/0221 , H04B10/506 , H04B10/564
摘要： Provided is a wavelength division multiplexing (WDM) optical transmitting apparatus including first to n-th optical transmitters configured to output first to n-th optical signals having different wavelengths, respectively; a wavelength multiplexer configured to multiplex the first to n-th optical signals and generate an output optical signal; a tap coupler configured to receive the output optical signal and generate a controlling optical signal based on some of the output optical signal; a controlling photodetector configured to receive the controlling optical signal and output an optical current based on the controlling optical signal; and a controller configured to control each of the first to n-th optical transmitters based on the optical current, wherein the controller comprises a look-up table, sequentially detects driving conditions for the first to n-th optical transmitters, stores the detected driving conditions in the look-up table, and controls the first to n-th optical transmitters based on the detected driving conditions.
摘要翻译： 提供了一种波分复用（WDM）光发送装置，其包括分别输出具有不同波长的第一至第n光信号的第一至第n光发送器; 波长多路复用器，被配置为复用第一至第n光信号并产生输出光信号; 抽头耦合器，被配置为接收所述输出光信号并且基于所述输出光信号中的一些产生控制光信号; 控制光电检测器，被配置为基于所述控制光信号接收所述控制光信号并输出光电流; 以及控制器，其被配置为基于所述光电流来控制所述第一至第n光发送器中的每一个，其中所述控制器包括查找表，顺序地检测所述第一至第n光发送器的驱动条件，存储检测到的驱动 查找表中的条件，并且基于检测到的驾驶条件来控制第一至第n光发射机。
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公开(公告)号：US20240313503A1
公开(公告)日：2024-09-19
申请号：US18606448
申请日：2024-03-15
发明人： Namje KIM , O-Kyun KWON , Ho Sung KIM , Miran PARK , Seungchul LEE
CPC分类号： H01S5/0265 , H01S5/04256 , H01S5/12
摘要： Provided is an electro-absorption modulated lasers with identical-active layer. The lasers include a substrate having a passive waveguide region, an LD region on one side of the passive waveguide region, and an EAM region on the other side of the passive waveguide region, an active layer provided on the substrate and extending from the LD region to the EAM region, a grating layer provided on the active layer, a clad layer provided on the grating layer, and electrodes provided in the LD region and the EAM region of the clad layer.
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公开(公告)号：US20190165863A1
公开(公告)日：2019-05-30
申请号：US15855825
申请日：2017-12-27
发明人： O-Kyun KWON , Namje KIM , Miran PARK , Shinmo AN , Won Seok HAN
IPC分类号： H04B10/54 , H04B10/2575
摘要： 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：US20240356303A1
公开(公告)日：2024-10-24
申请号：US18638137
申请日：2024-04-17
发明人： Seungchul LEE , Namje KIM , O-Kyun KWON , Miran PARK
CPC分类号： H01S5/026 , H01S5/34313
摘要： Disclosed are a photonic integrated circuit device and a fabrication method thereof, wherein the fabrication method includes forming an active layer on a substrate having a passive waveguide region, an LD region, and an EAM region, forming a grating layer, forming a first upper clad layer, forming a passivation layer, forming a mask pattern, forming a vacancy generation layer, performing a rapid thermal process to provide a first vacancy activation region in the active layer, removing the vacancy generation layer, the mask pattern, and the passivation layer, forming a second upper clad layer, and forming electrodes.
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公开(公告)号：US20230227960A1
公开(公告)日：2023-07-20
申请号：US17968126
申请日：2022-10-18
发明人： O-Kyun KWON , Namje KIM , Ho Sung KIM , Miran PARK , SEUNGCHUL LEE , Won Seok HAN
CPC分类号： C23C14/042 , G02B6/132 , G02B2006/12173
摘要： Provided is a method of manufacturing an optical integrated device. The method includes forming a lower clad layer on a substrate, forming a plurality of mask patterns arranged in one direction on the lower clad layer, forming a core layer on a portion of the lower clad layer by a selective area growth method using the mask patterns as deposition masks, and forming an upper clad layer on the core layers, wherein the mask patterns have different widths or include mask layers of different materials.
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7.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
发明人： Su Hwan OH , Ki-Hong YOON , Kisoo KIM , O-Kyun KWON , Oh Kee KWON , Byung-Seok CHOI , Jongbae KIM
IPC分类号： H01L33/00
CPC分类号： 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
摘要： 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.
摘要翻译： 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：US20140206130A1
公开(公告)日：2014-07-24
申请号：US14220431
申请日：2014-03-20
发明人： Mi-Ran PARK , O-Kyun KWON
IPC分类号： H01L31/107 , H01L31/0216
CPC分类号： H01L31/107 , H01L31/02027 , H01L31/02161 , H01L31/184 , Y02E10/544
摘要： 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.
摘要翻译： 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型半导体层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：US20200212653A1
公开(公告)日：2020-07-02
申请号：US16539665
申请日：2019-08-13
发明人： O-Kyun KWON , namje KIM , Miran PARK , Tae-Soo KIM , Shinmo AN , Won Seok HAN
摘要： 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：US20200212652A1
公开(公告)日：2020-07-02
申请号：US16561420
申请日：2019-09-05
发明人： Namje KIM , O-Kyun KWON , Miran PARK , Tae-Soo KIM , Shinmo AN , Won Seok HAN
摘要： 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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