公开(公告)号：US06593162B1

公开(公告)日：2003-07-15

申请号：US10185137

申请日：2002-06-27

申请人： Kyung Hyun Park ,  Yong Soon Baek ,  Sung Bock Kim ,  Kwang Ryong Oh

发明人： Kyung Hyun Park ,  Yong Soon Baek ,  Sung Bock Kim ,  Kwang Ryong Oh

IPC分类号： H01L2100

CPC分类号： B82Y20/00 ,  H01S5/1014 ,  H01S5/1032 ,  H01S5/106 ,  H01S5/2081 ,  H01S5/227 ,  H01S5/2275 ,  H01S5/34373

摘要： The present invention relates to a method of manufacturing a semiconductor optical device. The present invention discloses a method of manufacturing an optical device of a planar buried heterostructure (PBH) type by which an active layer region of a taper shape at both ends is patterned, an undoped InP layer is selectively grown in order to reduce the propagation loss and two waveguides are simultaneously formed by means of a self-aligned method, thus simplifying the process to increase repeatability and yield.

摘要翻译： 本发明涉及半导体光学器件的制造方法。 本发明公开了一种制造平面埋入异质结构（PBH）型的光学器件的方法，通过该方法，在两端形成锥形的有源层区域被图案化，选择性地生长未掺杂的InP层，以便降低传播损耗 并且通过自对准方法同时形成两个波导，从而简化了增加重复性和产率的过程。

公开(公告)号：US07813388B2

公开(公告)日：2010-10-12

申请号：US11932937

申请日：2007-10-31

申请人： Kyung Hyun Park ,  Hyun Sung Ko ,  Young Ahn Leem ,  Min Yong Jeon ,  Eun Deok Sim ,  Sung Bock Kim

发明人： Kyung Hyun Park ,  Hyun Sung Ko ,  Young Ahn Leem ,  Min Yong Jeon ,  Eun Deok Sim ,  Sung Bock Kim

IPC分类号： H01S3/098

CPC分类号： H01S5/0625 ,  H01S5/0658

摘要： Provided is a self-pulsating laser diode including: a distributed feedback (DFB) section serving as a reflector; a gain section connected to the DFB section and having an as-cleaved facet at one end; a phase control section interposed between the DFB section and the gain section; and an external radio frequency (RF) input portion applying an external RF signal to at least one of the DFB section and the gain section.

摘要翻译： 提供了一种自脉动激光二极管，包括：用作反射器的分布反馈（DFB）部分; 连接到DFB部分并且在一端具有劈裂小面的增益部分; 相位控制部，其插入在所述DFB部和所述增益部之间; 以及外部射频（RF）输入部分，将外部RF信号施加到DFB部分和增益部分中的至少一个。

公开(公告)号：US07583868B2

公开(公告)日：2009-09-01

申请号：US11295414

申请日：2005-12-06

申请人： Dae Su Yee ,  Young Ahn Leem ,  Dong Churl Kim ,  Kyung Hyun Park ,  Sung Bock Kim

发明人： Dae Su Yee ,  Young Ahn Leem ,  Dong Churl Kim ,  Kyung Hyun Park ,  Sung Bock Kim

IPC分类号： G02B6/12 ,  G02B6/26 ,  G02F1/01 ,  G02F1/035 ,  G02F1/295

CPC分类号： H04B10/299 ,  G02B6/12004

摘要： A full 3R (re-timing, re-shaping, re-amplifying) recovery system is provided. In the full 3R recovery system, a self-pulsating laser diode (SP-LD) and an electroabsorption modulator (EAM) are integrated and disposed on a semiconductor substrate.

摘要翻译： 提供了一个完整的3R（重新定时，重新整形，再放大）恢复系统。 在完整的3R恢复系统中，自脉冲激光二极管（SP-LD）和电吸收调制器（EAM）被集成并设置在半导体衬底上。

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。

公开(公告)号：US08774243B2

公开(公告)日：2014-07-08

申请号：US13022985

申请日：2011-02-08

申请人： Namje Kim ,  Kyung Hyun Park ,  Young Ahn Leem ,  Chul-Wook Lee ,  Sang-Pil Han ,  Dong-Hun Lee ,  Min Yong Jeon

发明人： Namje Kim ,  Kyung Hyun Park ,  Young Ahn Leem ,  Chul-Wook Lee ,  Sang-Pil Han ,  Dong-Hun Lee ,  Min Yong Jeon

IPC分类号： H01S5/00

CPC分类号： H01S5/06258 ,  H01S5/0612 ,  H01S5/06256 ,  H01S5/1096 ,  H01S5/1215 ,  H01S5/2222

摘要： Provided are a dual mode semiconductor laser and a terahertz wave apparatus using the same. The dual mode semiconductor laser includes a distributed feedback laser structure section including a first diffraction grating on a substrate and a distributed Bragg reflector laser structure section including a second diffraction grating on the substrate. A first wavelength oscillated by the distributed feedback laser structure section and a second wavelength oscillated by the distributed Bragg reflector laser structure section are different from each other, and the distributed feedback laser structure section and the distributed Bragg reflector laser structure section share the same gain medium with each other.

摘要翻译： 提供了一种双模式半导体激光器和使用该双模半导体激光器的太赫兹波装置。 双模式半导体激光器包括分布反馈激光器结构部分，其包括在衬底上的第一衍射光栅和在衬底上包括第二衍射光栅的分布式布拉格反射器激光器结构部分。 由分布式反馈激光器结构部分振荡的第一波长和由分布布拉格反射器激光器结构部分振荡的第二波长彼此不同，分布反馈激光器结构部分和分布式布拉格反射器激光器结构部分共享相同的增益介质 与彼此。

公开(公告)号：US08610094B2

公开(公告)日：2013-12-17

申请号：US13615144

申请日：2012-09-13

申请人： Namje Kim ,  Kyung Hyun Park ,  Sang-Pil Han ,  Hyunsung Ko ,  Jeong Woo Park ,  Han-Cheol Ryu

发明人： Namje Kim ,  Kyung Hyun Park ,  Sang-Pil Han ,  Hyunsung Ko ,  Jeong Woo Park ,  Han-Cheol Ryu

IPC分类号： B01J19/12

CPC分类号： G02F2/002 ,  G02F1/3534 ,  G02F2203/13

摘要： Disclosed is a terahertz wave generator which includes a first light source outputting a first light having a first frequency; a second light source outputting a second light having a second frequency different from the first frequency; a second harmonic generation unit performing second harmonic conversion on the first and second lights to generate a third light and a fourth light; and a photomixer converting a mixing light of the third and fourth lights into a terahertz wave alternating signal and outputting a terahertz wave.

摘要翻译： 公开了一种太赫兹波发生器，其包括输出具有第一频率的第一光的第一光源; 输出具有与第一频率不同的第二频率的第二光的第二光源; 二次谐波发生单元，对所述第一和第二光进行二次谐波变换，以产生第三光和第四光; 以及将第三和第四光的混合光转换成太赫兹波交变信号并输出​​太赫兹波的光混合器。

公开(公告)号：US08476592B2

公开(公告)日：2013-07-02

申请号：US12908628

申请日：2010-10-20

申请人： Min Yong Jeon ,  Kyung Hyun Park ,  Dae-Su Yee

发明人： Min Yong Jeon ,  Kyung Hyun Park ,  Dae-Su Yee

IPC分类号： G01J5/02

CPC分类号： H01S5/0623 ,  G02F2/002 ,  H01S1/02 ,  H01S5/141 ,  H01S5/40 ,  H01S5/4012

摘要： Provided is a terahertz wave apparatus. The terahertz wave apparatus includes: a wavelength-fixed laser emitting a first laser light having a fixed first wavelength; a wavelength-swept laser emitting a second laser light having a tunable second wavelength; a coupler coupling the first laser light with the second laser light; and a generator converting a mixed light emitted from the coupler into a terahertz wave, wherein a frequency of the terahertz wave is continuously tunable.

摘要翻译： 提供了一种太赫兹波装置。 太赫波装置包括：发射具有固定的第一波长的第一激光的波长固定的激光; 发射具有可调谐的第二波长的第二激光的波长扫描激光; 将所述第一激光与所述第二激光耦合的耦合器; 以及将从耦合器发射的混合光转换成太赫兹波的发生器，其中太赫兹波的频率是连续可调的。

公开(公告)号：US20110142082A1

公开(公告)日：2011-06-16

申请号：US12908611

申请日：2010-10-20

申请人： Min Yong JEON ,  Kyung Hyun Park ,  Namje Kim ,  Young Ahn Leem ,  Sang-Pil Han ,  Yongsoon Baek ,  Jaeheon Shin

发明人： Min Yong JEON ,  Kyung Hyun Park ,  Namje Kim ,  Young Ahn Leem ,  Sang-Pil Han ,  Yongsoon Baek ,  Jaeheon Shin

IPC分类号： H01S3/30

CPC分类号： H01S3/06791 ,  H01S1/02 ,  H01S3/06712 ,  H01S3/0675 ,  H01S3/1304 ,  H01S3/1608 ,  H01S3/1618 ,  H01S2302/02

摘要： Provided is a fiber laser generating Terahertz wave. The fiber laser comprises: a light source generating a laser beam as a pump light; first and second resonators first and second resonators first and second resonators resonating the laser beam into first and second wavelengths; and a coupler separating and supplying the laser beam generated in the light source to the first and second resonators and again feeding back the laser beam having the first and second wavelengths resonated respectively in the first and second resonators to the light source.

摘要翻译： 提供了产生太赫兹波的光纤激光器。 光纤激光器包括：产生激光束作为泵浦光的光源; 第一和第二谐振器第一和第二谐振器第一和第二谐振器将激光束谐振成第一和第二波长; 以及耦合器，将在光源中产生的激光束分离并提供给第一和第二谐振器，并且再次将具有分别在第一和第二谐振器中谐振的第一和第二波长的激光束反馈到光源。

公开(公告)号：US07933524B2

公开(公告)日：2011-04-26

申请号：US11500646

申请日：2006-08-08

申请人： Kyung Hyun Park ,  Young Ahn Leem ,  Kwang Hyun Lee ,  Woo Young Choi

发明人： Kyung Hyun Park ,  Young Ahn Leem ,  Kwang Hyun Lee ,  Woo Young Choi

IPC分类号： H04B10/04

CPC分类号： H04B1/04 ,  H04B10/50 ,  H04B2001/0491

摘要： Provided are an apparatus for and a method of generating millimeter waves, in which millimeter-wave generation and frequency up-conversion can be achieved at the same time using a single device. The apparatus includes a mode-locking laser diode (LD) which has a distributed feedback (DFB) sector and a gain sector and generates high-frequency optical pulses through a passive mode locking process, a modulator which modulates an external optical signal using an electric signal and injects the modulated optical signal to the mode-locking LD to lock the optical pulses, and a radio frequency (RF) locking signaling unit which injects the electric signal to the modulator.

摘要翻译： 提供了一种产生毫米波的装置和方法，其中可以使用单个装置同时实现毫米波发生和上变频。 该装置包括具有分布式反馈（DFB）扇区和增益扇区的锁模激光二极管（LD），并通过无源模式锁定工艺产生高频光脉冲，调制器使用电动调制外部光信号 信号并将经调制的光信号注入锁模LD以锁定光脉冲;以及射频（RF）锁定信令单元，其将电信号注入调制器。

公开(公告)号：US20110068270A1

公开(公告)日：2011-03-24

申请号：US12764361

申请日：2010-04-21

申请人： Jaeheon SHIN ,  Kyung Hyun Park ,  Namje Kim ,  Sang-Pil Han ,  Chul-Wook Lee ,  Eundeok Sim ,  Yongsoon Baek

发明人： Jaeheon SHIN ,  Kyung Hyun Park ,  Namje Kim ,  Sang-Pil Han ,  Chul-Wook Lee ,  Eundeok Sim ,  Yongsoon Baek

IPC分类号： G01J5/00 ,  B44C1/22

CPC分类号： G01J3/10 ,  G01J3/42 ,  G01J5/0837

摘要： Provided are an apparatus for generating/detecting terahertz wave and a method of manufacturing the same. The apparatus includes a substrate, a photo conductive layer, a first electrode and a second electrode, and a lens. The photo conductive layer is formed on an entire surface of the substrate. The first electrode and a second electrode are formed on the photo conductive layer. The first and second electrodes are spaced from each other by a certain gap. The lens is formed on the first and second electrodes. The lens is filled in the gap between the first and second electrodes.

摘要翻译： 提供一种用于产生/检测太赫兹波的装置及其制造方法。 该装置包括基板，光电导层，第一电极和第二电极以及透镜。 光导电层形成在基板的整个表面上。 第一电极和第二电极形成在光导电层上。 第一和第二电极彼此隔开一定间隙。 透镜形成在第一和第二电极上。 透镜填充在第一和第二电极之间的间隙中。