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1. 发明授权

US08594469B2 Optical amplifier 有权
标题翻译：光放大器
公开(公告)号：US08594469B2
公开(公告)日：2013-11-26
申请号：US12640627
申请日：2009-12-17
申请人： Byung-Seok Choi , Dae Kon Oh , O-Kyun Kwon , Dong Churl Kim , Kisoo Kim , Hyun Soo Kim
发明人： Byung-Seok Choi , Dae Kon Oh , O-Kyun Kwon , Dong Churl Kim , Kisoo Kim , Hyun Soo Kim
IPC分类号： G02F1/035
CPC分类号： H01S5/50 , G02F1/2955 , G02F2001/0155 , G02F2001/0156 , G02F2202/06 , G02F2202/101 , G02F2202/102 , G02F2203/02 , G02F2203/15 , G02F2203/20 , G02F2203/70
摘要： An optical amplifier includes a passive waveguide region and an active waveguide region. The passive waveguide region is configured to receive an incident optical signal and adjust a mode of the optical signal. The active waveguide region is integrated to the passive waveguide region and configured to perform gain modulation on the optical signal received from the passive waveguide region by changing density of carriers in response to a current applied to the active waveguide region. Internal loss of the active waveguide region is adjusted to produce a resonance effect and thereby to increase bandwidth of the active waveguide. Therefore, the optical amplifier can have a wide bandwidth under a low-current condition.
摘要翻译：光放大器包括无源波导区域和有源波导区域。无源波导区域被配置为接收入射光信号并调整光信号的模式。有源波导区域被集成到无源波导区域，并被配置为响应于施加到有源波导区域的电流改变载波的密度，对从无源波导区域接收的光信号执行增益调制。有源波导区域的内部损耗被调节以产生共振效应，从而增加有源波导的带宽。因此，光放大器可以在低电流条件下具有宽带宽。

2. 发明申请

US20110134513A1 OPTICAL DEVICE MODULE 审中-公开
标题翻译：光学器件模块
公开(公告)号：US20110134513A1
公开(公告)日：2011-06-09
申请号：US12773196
申请日：2010-05-04
申请人： Dong Churl Kim , Byung-seok Choi , Hyun Soo Kim , Kisoo Kim , O-Kyun Kwon , Dae Kon Oh
发明人： Dong Churl Kim , Byung-seok Choi , Hyun Soo Kim , Kisoo Kim , O-Kyun Kwon , Dae Kon Oh
IPC分类号： H01S5/026 , G02B6/26 , G02B6/42
CPC分类号： H01S5/0265 , G02B6/1228 , G02B6/125 , G02B6/2813 , H01S5/1014 , H01S5/1085 , H01S5/50
摘要： Provided is an optical device module that can improve miniaturization and integration. The optical device module includes a semiconductor optical amplifier having a buried structure and including a first active layer buried in a clad layer disposed on a first substrate, an optical modulator in which a sidewall of a second active layer disposed in a direction of the first active layer on a second substrate junctioned to the first substrate is exposed, the optical modulator having a ridge structure, and at least one multi-mode interference coupler in which the second active layer junctioned to the first active layer is buried in the clad layer, the multi-mode interference coupler sharing the second active layer on the second substrate between the optical modulator and the semiconductor optical amplifier and integrated with the second optical device.
摘要翻译：提供了可以改善小型化和集成的光学装置模块。光学器件模块包括具有掩埋结构的半导体光学放大器，并且包括掩埋在第一衬底上的覆盖层中的第一有源层，光调制器，其中第二有源层的侧壁沿着第一有源层暴露在与第一衬底相交的第二衬底上的层，光学调制器具有脊结构，以及至少一个多模干涉耦合器，其中与第一有源层结合的第二有源层被掩埋在覆盖层中，所述多模干涉耦合器在所述光调制器和所述半导体光放大器之间的所述第二基板上共享所述第二有源层并与所述第二光学装置集成。

3. 发明申请

US20100316383A1 WAVELENGTH DIVISION MULTIPLEXED-PASSIVE OPTICAL NETWORK APPARATUS 审中-公开
标题翻译：波长部分多路无源光网络设备
公开(公告)号：US20100316383A1
公开(公告)日：2010-12-16
申请号：US12582211
申请日：2009-10-20
申请人： Hyun Soo KIM , Kisoo Kim , Dong Churl Kim , Byung-Seok Choi , O-Kyun Kwon , Dae Kon Oh
发明人： Hyun Soo KIM , Kisoo Kim , Dong Churl Kim , Byung-Seok Choi , O-Kyun Kwon , Dae Kon Oh
IPC分类号： H04J14/02
CPC分类号： H04J14/0282
摘要： Provided is a wavelength division multiplexed-passive optical network (WDM-PON) apparatus. The WDM-PON includes an optical source unit, an optical mux, and a chirped Bragg grating. The optical source unit generates an optical signal. The optical mux receives the optical signal from the optical source unit through one end of the optical mux, multiplexes the optical signal, and outputs the multiplexed optical signal. The chirped Bragg grating is connected to the other end of the optical mux. The chirped Bragg grating again reflects the optical signal having passed the optical mux to re-input a certain portion of the optical signal into the optical mux and the optical source unit. The optical mux performs a spectrum slicing on the re-inputted optical signal and operates the optical source unit using a channel wavelength of the optical mux as a main oscillation wavelength.
摘要翻译：提供了一种波分复用无源光网络（WDM-PON）装置。 WDM-PON包括光源单元，光复用器和啁啾布拉格光栅。光源单元产生光信号。光复用器通过光复用器的一端从光源单元接收光信号，复用光信号，并输出复用的光信号。啁啾布拉格光栅连接到光复用器的另一端。啁啾布拉格光栅再次反射已经通过光复用器的光信号，以将光信号的某一部分重新输入光复用器和光源单元。光复用器对重新输入的光信号执行频谱分片，并使用光复用器的信道波长作为主振荡波长来操作光源单元。

4. 发明授权

US08149503B2 Reflective semiconductor optical amplifier and optical signal processing method using the same 有权
标题翻译：反射半导体光放大器和光信号处理方法使用相同
公开(公告)号：US08149503B2
公开(公告)日：2012-04-03
申请号：US12367431
申请日：2009-02-06
申请人： Hyun Soo Kim , O-Kyun Kwon , Dong Churl Kim , Byung-Seok Choi , Kisoo Kim , Dae Kon Oh
发明人： Hyun Soo Kim , O-Kyun Kwon , Dong Churl Kim , Byung-Seok Choi , Kisoo Kim , Dae Kon Oh
IPC分类号： H01S3/131 , H04J14/02 , H04B10/17
CPC分类号： H01S5/50 , H01S5/026 , H01S5/0608 , H01S5/06258 , H01S5/1014 , H01S5/509
摘要： Provided are a semiconductor optical amplifier and an optical signal processing method using the same. The reflective semiconductor optical amplifier includes: an optical signal amplification region operating to allow a downward optical signal incident from the external to obtain a gain; and an optical signal modulation region connected to the optical signal amplification region and generating a modulated optical signal. The downward optical signal is amplified through a cross gain modulation using the modulated optical signal and is outputted as an upward optical signal.
摘要翻译：提供了一种半导体光放大器和使用其的光信号处理方法。反射半导体光放大器包括：光信号放大区域，其操作以允许从外部入射的向下的光信号获得增益; 以及连接到光信号放大区域并产生调制光信号的光信号调制区域。向下的光信号通过使用调制光信号的交叉增益调制进行放大，并作为向上的光信号输出。

5. 发明授权

US08804232B2 Semiconductor optical devices and methods of fabricating the same 有权
标题翻译：半导体光学器件及其制造方法
公开(公告)号：US08804232B2
公开(公告)日：2014-08-12
申请号：US13307067
申请日：2011-11-30
申请人： Dong Churl Kim , Kisoo Kim , Hyun Soo Kim , Byung-seok Choi , O-Kyun Kwon , Jong Sool Jeong , Dae Kon Oh
发明人： Dong Churl Kim , Kisoo Kim , Hyun Soo Kim , Byung-seok Choi , O-Kyun Kwon , Jong Sool Jeong , Dae Kon Oh
IPC分类号： H01S5/10
CPC分类号： H01S5/1028 , H01S5/0265 , H01S5/0425 , H01S5/1003 , H01S5/101 , H01S5/1014 , H01S5/2222 , H01S2301/16
摘要： A semiconductor optical device includes a first mode converting core, a light amplification core, a second mode converting core, and a light modulation core disposed in a first mode converting region, a light amplification region, a second mode converting region, and a light modulating region of a semiconductor substrate, respectively, and a current blocking section covering at least sidewalls and a top surface of the light amplification core. The first mode converting core, the light amplification core, the second mode converting core, and the light modulation core are arranged along one direction in the order named, and are connected to each other in butt joints. The current blocking section includes first, second, and third cladding patterns sequentially stacked. The second cladding pattern is doped with dopants of a first conductivity type, and the first and third cladding patterns are doped with dopants of a second conductivity type.
摘要翻译：半导体光学器件包括第一模式转换核心，光放大核心，第二模式转换核心和设置在第一模式转换区域中的光调制核心，光放大区域，第二模式转换区域和光调制区域，以及至少覆盖光放大芯的侧壁和顶表面的电流阻挡部分。第一模式转换核心，光放大核心，第二模式转换核心和光调制核心按照命名的顺序沿一个方向布置，并且在对接中彼此连接。电流阻挡部分包括顺序层叠的第一，第二和第三包层图案。第二包层图案掺杂有第一导电类型的掺杂剂，并且第一和第三包层图案掺杂有第二导电类型的掺杂剂。

6. 发明申请

US20100092175A1 REFLECTIVE SEMICONDUCTOR OPTICAL AMPLIFIER AND OPTICAL SIGNAL PROCESSING METHOD USING THE SAME 有权
标题翻译：使用它的反射半导体光放大器和光信号处理方法
公开(公告)号：US20100092175A1
公开(公告)日：2010-04-15
申请号：US12367431
申请日：2009-02-06
申请人： Hyun Soo KIM , O-Kyun Kwon , Dong Churl Kim , Byung-Seok Choi , Kisoo Kim , Dae Kon Oh
发明人： Hyun Soo KIM , O-Kyun Kwon , Dong Churl Kim , Byung-Seok Choi , Kisoo Kim , Dae Kon Oh
IPC分类号： H04J14/02 , H01S3/16
CPC分类号： H01S5/50 , H01S5/026 , H01S5/0608 , H01S5/06258 , H01S5/1014 , H01S5/509
摘要： Provided are a semiconductor optical amplifier and an optical signal processing method using the same. The reflective semiconductor optical amplifier includes: an optical signal amplification region operating to allow a downward optical signal incident from the external to obtain a gain; and an optical signal modulation region connected to the optical signal amplification region and generating a modulated optical signal. The downward optical signal is amplified through a cross gain modulation using the modulated optical signal and is outputted as an upward optical signal.
摘要翻译：提供了一种半导体光放大器和使用其的光信号处理方法。反射半导体光放大器包括：光信号放大区域，其操作以允许从外部入射的向下的光信号获得增益; 以及连接到光信号放大区域并产生调制光信号的光信号调制区域。向下的光信号通过使用调制光信号的交叉增益调制进行放大，并作为向上的光信号输出。

7. 发明申请

US20070091942A1 Laser diode generating passive mode and method of creating optical pulse using the same diode 有权
标题翻译：激光二极管产生无源模式和使用相同二极管产生光脉冲的方法
公开(公告)号：US20070091942A1
公开(公告)日：2007-04-26
申请号：US11438201
申请日：2006-05-22
申请人： Young Ahn Leem , Eun Deok Sim , Dong Churl Kim , Kyung Hyun Park
发明人： Young Ahn Leem , Eun Deok Sim , Dong Churl Kim , Kyung Hyun Park
IPC分类号： H01S3/098 , H01S3/08
CPC分类号： H01S5/065 , H01S5/0625 , H01S5/0657 , H01S5/1039 , H01S5/1203
摘要： Provided are a laser diode generating passive mode locking that does not contain non-linear sector of an SA, and a method of creating an optical pulse using the same diode. The laser diode includes a DFB sector serving as a reflector and a gain sector. The gain sector is connected to the DFB sector and includes an as-cleaved facet formed at the end of the gain sector. When a current less than a threshold current is applied to the DFB sector to allow the DFB sector to operate as a reflector, passive mode locking occurs swiftly and therefore a sector of the SA is not required, which makes manufacturing simple. Also, it is possible to effectively extend a frequency variable region compared to using of the SA.
摘要翻译：提供了一种激光二极管，其产生不包含SA的非线性扇区的无源模式锁定，以及使用相同二极管产生光脉冲的方法。激光二极管包括用作反射器的DFB扇区和增益扇区。增益扇区连接到DFB扇区，并包括在增益扇区末端形成的切割面。当将小于阈值电流的电流施加到DFB扇区以允许DFB扇区作为反射器操作时，被动模式锁定迅速发生，因此不需要SA的扇区，这使制造变得简单。此外，与使用SA相比，可以有效地扩展频率可变区域。

8. 发明授权

US07174070B2 Ultrahigh-frequency light source using dual-wavelength laser with 3-dB beam splitter and method of manufacturing the same 有权
标题翻译：超高频光源采用双波长激光器，具有3 dB分束器及其制造方法
公开(公告)号：US07174070B2
公开(公告)日：2007-02-06
申请号：US10883955
申请日：2004-07-01
申请人： Dong Churl Kim , Dae Su Yee , Young Ahn Leem , Kyung Hyun Park
发明人： Dong Churl Kim , Dae Su Yee , Young Ahn Leem , Kyung Hyun Park
IPC分类号： G02B6/26
CPC分类号： H01S5/146 , G02B6/02195 , G02B6/2804 , G02B6/2813 , H01S5/0612 , H01S5/0623 , H01S5/1003 , H01S5/1096 , H01S5/141
摘要： A light source has a structure in which a 3-dB beam splitter is integrated with a Febry-Perot laser diode having a cleaved plane. A first waveguide grating and a first refractive index modifier changing a Bragg wavelength of the first waveguide grating are provided at one branch of the 3-dB beam splitter. A second waveguide grating and a second refractive index modifier changing a Bragg wavelength of the second waveguide grating are provided at another branch of the 3-dB beam splitter.
摘要翻译：光源具有其中3分贝分束器与具有劈开平面的Febry-Perot激光二极管集成的结构。改变第一波导光栅的布拉格波长的第一波导光栅和第一折射率修正器设置在3-dB分束器的一个分支处。改变第二波导光栅的布拉格波长的第二波导光栅和第二折射率修正器设置在3-dB分束器的另一分支处。

9. 发明授权

US07489873B2 Optical signal retiming, reshaping, and reamplifying (3R) regeneration system having monolithically integrated Mach Zehnder interferometer and self-pulsating laser diode 有权
标题翻译：具有单片集成马赫曾德尔干涉仪和自脉冲激光二极管的光信号重新定时，重新整形和再扩增（3R）再生系统
公开(公告)号：US07489873B2
公开(公告)日：2009-02-10
申请号：US11284632
申请日：2005-11-22
申请人： Young Ahn Leem , Dae Su Yee , Eun Deok Sim , Dong Churl Kim , Kyung Hyun Park
发明人： Young Ahn Leem , Dae Su Yee , Eun Deok Sim , Dong Churl Kim , Kyung Hyun Park
IPC分类号： H04B10/17
CPC分类号： H04B10/299 , H01S5/02248 , H01S5/4006
摘要： The 3R regeneration system for a retiming, reshaping, and reamplifying an optical signal includes: first and second input ports in which a connected optical signal is input; an interferometer including first and second branches formed on a substrate, split at a common input node, combined at a common output node, semiconductor optical amplifiers in each of the first and second branches, the first branch being connected to the first input port, and the common input node being connected to the second input port; a self-pulsating laser diode monolithically integrated with the interferometer between one of the first input port and the first branch, and the second input port and the common input node on the substrate, receiving an optical signal, and outputting the optical signal regenerated by optical injection locking; and an output port connected to the common output node.
摘要翻译：用于重新定标和重新放大光信号的3R再生系统包括：输入连接的光信号的第一和第二输入端口; 干涉仪，包括形成在基板上的第一和第二分支，在公共输入节点处分开，在公共输出节点处组合，第一和第二分支中的每一个中的半导体光放大器，第一分支连接到第一输入端口，以及所述公共输入节点连接到所述第二输入端口; 在第一输入端口和第一分支之间与干涉仪单片集成的自脉动激光二极管，以及基板上的第二输入端口和公共输入节点，接收光信号，并输出由光学信号再生的光信号注射锁定以及连接到公共输出节点的输出端口。

10. 发明授权

US07277222B2 Apparatus and method for wavelength conversion and clock signal extraction using semiconductor optical amplifiers 有权
标题翻译：使用半导体光放大器进行波长转换和时钟信号提取的装置和方法
公开(公告)号：US07277222B2
公开(公告)日：2007-10-02
申请号：US11491646
申请日：2006-07-24
申请人： Dong Churl Kim , Min Yong Jeon , Young Ahn Leem , Eun Deok Sim , Kyung Hyun Park , Sung Bock Kim
发明人： Dong Churl Kim , Min Yong Jeon , Young Ahn Leem , Eun Deok Sim , Kyung Hyun Park , Sung Bock Kim
IPC分类号： H01S3/00
CPC分类号： H04B10/299
摘要： Provided is an apparatus and method for simultaneous optical wavelength conversion and optical clock signal extraction using semiconductor optical amplifiers (SOAs). The apparatus includes: a wavelength converter receiving a pump beam having input information and a probe beam having a different wavelength from the pump beam, and outputting the pump beam with an overshoot shifted to a red wavelength and an undershoot shifted to a blue wavelength due to non-linear characteristics and self-phase modulation of semiconductor optical amplifiers (SOAs) and the probe beam delivered the input information from the pump beam; an optical divider dividing output paths of the probe beam to which the input information has been delivered and the pump beam having the overshoot and the undershoot; a converted-wavelength extractor filtering the probe beam received from the optical divider; and a clock data regenerator obtaining a pseudo return-to-zero (PRZ) signal from the pump beam received from the optical divider and extracting a clock signal from the PRZ signal.The apparatus and method can simultaneously perform wavelength conversion and optical clock signal extraction on an NRZ signal using an optical method, without converting the NRZ signal into an electrical signal.
摘要翻译：提供了一种使用半导体光放大器（SOA）同时进行光波长转换和光时钟信号提取的装置和方法。该装置包括：波长转换器，其接收具有输入信息的泵浦光束和具有与泵浦光束不同的波长的探测光束，并且由于偏移到红色波长的过冲和由于由于半导体光放大器（SOA）的非线性特性和自相位调制以及探测光束从泵浦光束传送输入信息; 分割器分割输入信息已被传送到的探测光束的输出路径和具有过冲和下冲的泵浦光束; 转换波长提取器对从分光器接收的探测光束进行滤波; 以及时钟数据再生器，从从光分路器接收的泵浦光束获得伪归零（PRZ）信号，并从PRZ信号提取时钟信号。该装置和方法可以使用光学方法在NRZ信号上同时进行波长转换和光时钟信号提取，而不将NRZ信号转换成电信号。

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