公开(公告)号：US08039802B2

公开(公告)日：2011-10-18

申请号：US12764361

申请日：2010-04-21

Applicant: Jaeheon Shin ,  Kyung Hyun Park ,  Namje Kim ,  Sang-Pil Han ,  Chul-Wook Lee ,  Eundeok Sim ,  Yongsoon Baek

Inventor： Jaeheon Shin ,  Kyung Hyun Park ,  Namje Kim ,  Sang-Pil Han ,  Chul-Wook Lee ,  Eundeok Sim ,  Yongsoon Baek

IPC: G01J5/02

CPC classification number: G01J3/10 ,  G01J3/42 ,  G01J5/0837

Abstract: 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 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.

Abstract translation: 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。 第一电极和形成在光导电层上的第二电极。 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。

公开(公告)号：US07864824B2

公开(公告)日：2011-01-04

申请号：US12506073

申请日：2009-07-20

Applicant: Kyung Hyun Park ,  Jaeheon Shin ,  Namje Kim ,  Chul-Wook Lee ,  Eundeok Sim ,  Sang-Pil Han ,  Yongsoon Baek

Inventor： Kyung Hyun Park ,  Jaeheon Shin ,  Namje Kim ,  Chul-Wook Lee ,  Eundeok Sim ,  Sang-Pil Han ,  Yongsoon Baek

IPC: H01S3/04

CPC classification number: H01S5/06258 ,  B82Y20/00 ,  H01S5/0265 ,  H01S5/0612 ,  H01S5/0623 ,  H01S5/1017 ,  H01S5/1231 ,  H01S5/34306

Abstract: Provided is a multiple distributed feedback laser device. The laser device includes an active layer, a first diffraction grating, and a second diffraction grating. The substrate includes a first distributed feedback region, a modulation region, and a second distributed feedback region. The first diffraction grating is coupled to the active layer in the first distributed feedback region. The second diffraction grating is coupled to the active layer in the second distributed feedback region. In addition, the laser device includes a first micro heater and a second micro heater. The first micro heater supplies heat to the first diffraction grating. The second micro heater supplies heat to the second diffraction grating. The first micro heater and the second micro heater are controlled independently from each other.

Abstract translation: 提供了一种多分布式反馈激光装置。 激光装置包括有源层，第一衍射光栅和第二衍射光栅。 衬底包括第一分布反馈区域，调制区域和第二分布反馈区域。 第一衍射光栅耦合到第一分布反馈区域中的有源层。 第二衍射光栅耦合到第二分布反馈区域中的有源层。 此外，激光装置包括第一微加热器和第二微加热器。 第一微加热器向第一衍射光栅提供热量。 第二微加热器向第二衍射光栅提供热量。 第一微加热器和第二微加热器彼此独立地控制。

公开(公告)号：US08774243B2

公开(公告)日：2014-07-08

申请号：US13022985

申请日：2011-02-08

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

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

IPC: H01S5/00

CPC classification number: H01S5/06258 ,  H01S5/0612 ,  H01S5/06256 ,  H01S5/1096 ,  H01S5/1215 ,  H01S5/2222

Abstract: 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.

Abstract translation: 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

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

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

IPC: B01J19/12

CPC classification number: G02F2/002 ,  G02F1/3534 ,  G02F2203/13

Abstract: 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.

Abstract translation: 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：US20120051386A1

公开(公告)日：2012-03-01

申请号：US13022985

申请日：2011-02-08

Applicant: Namje KIM ,  Kyung Hyun PARK ,  Young Ahn LEEM ,  Chul-Wook LEE ,  Sang-Pil HAN ,  Dong-Hun LEE ,  Min Yong JEON

Inventor： Namje KIM ,  Kyung Hyun PARK ,  Young Ahn LEEM ,  Chul-Wook LEE ,  Sang-Pil HAN ,  Dong-Hun LEE ,  Min Yong JEON

IPC: H01S3/08

CPC classification number: H01S5/06258 ,  H01S5/0612 ,  H01S5/06256 ,  H01S5/1096 ,  H01S5/1215 ,  H01S5/2222

Abstract: 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.

Abstract translation: 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：US20110150018A1

公开(公告)日：2011-06-23

申请号：US12856172

申请日：2010-08-13

Applicant: Kyung Hyun PARK ,  Namje Kim ,  Young Ahn Leem ,  Sang-Pil Han ,  Chul-Wook Lee ,  Jaeheon Shin ,  Eundeok Sim ,  Yongsoon Baek

Inventor： Kyung Hyun PARK ,  Namje Kim ,  Young Ahn Leem ,  Sang-Pil Han ,  Chul-Wook Lee ,  Jaeheon Shin ,  Eundeok Sim ,  Yongsoon Baek

IPC: H01S5/343 ,  H01S5/06

CPC classification number: H01S5/1003 ,  B82Y20/00 ,  H01S1/02 ,  H01S5/02461 ,  H01S5/0261 ,  H01S5/028 ,  H01S5/0612 ,  H01S5/1092 ,  H01S5/125 ,  H01S5/3434

Abstract: Provided is a laser device. In the laser device, an active layer is connected to a stem core of a 1×2 splitter on a substrate, a first diffraction grating is coupled to a first twig core of the 1×2 splitter, and a second diffraction grating is coupled to a second twig core of the 1×2 splitter. An active layer-micro heater is designed to supply heat to the active layer. First and second micro heaters are designed to supply heats to the first and second diffraction gratings, respectively, thereby varying a Bragg wavelength.

Abstract translation: 提供了一种激光装置。 在激光装置中，有源层连接到基板上的1×2分离器的芯体芯，第一衍射光栅耦合到1×2分离器的第一分支芯，并且第二衍射光栅耦合到 1×2分路器的第二个枝芯。 有源层 - 微加热器被设计成向活性层提供热量。 第一和第二微加热器被设计成分别向第一和第二衍射光栅提供热量，从而改变布拉格波长。

公开(公告)号：US20110142082A1

公开(公告)日：2011-06-16

申请号：US12908611

申请日：2010-10-20

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

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

IPC: H01S3/30

CPC classification number: H01S3/06791 ,  H01S1/02 ,  H01S3/06712 ,  H01S3/0675 ,  H01S3/1304 ,  H01S3/1608 ,  H01S3/1618 ,  H01S2302/02

Abstract: 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.

Abstract translation: 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：US20110068270A1

公开(公告)日：2011-03-24

申请号：US12764361

申请日：2010-04-21

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

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

IPC: G01J5/00 ,  B44C1/22

CPC classification number: G01J3/10 ,  G01J3/42 ,  G01J5/0837

Abstract: 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.

Abstract translation: 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。