公开(公告)号：KR101259877B1

公开(公告)日：2013-05-02

申请号：KR1020100033387

申请日：2010-04-12

Applicant: 한국전자통신연구원

Inventor： 박경현

IPC: G06F17/00 ,  G06F17/30 ,  G06F17/21

Abstract: 본발명은다중테넌트를지원하는데이터스키마생성장치및 그방법에관한것으로, 테넌트관리자의요청에따라입력된하나이상의테넌트데이터에대응하는기본테이블스키마들의컬럼수에근거하여범용데이터테이블의컬럼수를결정하고, 결정된컬럼수에따라범용데이터테이블을생성하는메타데이터관리자, 범용데이터테이블의각 컬럼들에대한컬럼속성정보를정의한메타데이터를생성하는메타데이터생성기, 및하나이상의테넌트데이터및 메타데이터가저장되는데이터베이스를포함한다. 본발명에따르면, 범용데이터테이블의컬럼정보를메타테이블에저장함으로써사용자테이블의스키마에상관없이하나의범용데이터테이블에데이터를저장할수 있어, 디스크의낭비를줄일수 있다는이점이있다.

公开(公告)号：KR1020120067629A

公开(公告)日：2012-06-26

申请号：KR1020100129150

申请日：2010-12-16

Applicant: 한국전자통신연구원

Inventor： 한상필 ,  박경현 ,  고현성 ,  김남제 ,  이철욱 ,  이동훈 ,  임영안

IPC: H04B10/40 ,  H04B10/50 ,  G01J3/42

CPC classification number: G01J3/42 ,  H04B10/40 ,  H04B10/503 ,  H04B10/506

Abstract: PURPOSE: A terahertz wave trans-receiving module, and an apparatus including thereof are provided to effectively applying the voltage for improving the heat radiation efficiency. CONSTITUTION: A terahertz wave trans-receiving module comprises the following: a photo mixer chip(10) including an active layer(14), antennas, and electrode pads; a lens(20) located on the upper side of the photo mixer chip; a circuit board(30) including solder balls(34) connected to the electrode pads under the photo mixer chip facing the lens; and a package surrounding the lower surface and the side surface of the circuit board, and emitting heat generated from the active layer to outside.

Abstract translation: 目的：提供太赫兹波反式接收模块及其装置，以有效地施加电压以提高散热效率。 构成：太赫兹波反式接收模块包括：包括有源层（14），天线和电极焊盘的光混合器芯片（10） 位于所述光混合器芯片的上侧的透镜（20）; 电路板（30），包括连接到面向所述透镜的所述光混合器芯片下方的所述电极焊盘的焊球（34） 以及围绕电路板的下表面和侧表面的封装，并且将从有源层产生的热量发射到外部。

公开(公告)号：KR1020120030186A

公开(公告)日：2012-03-28

申请号：KR1020100091821

申请日：2010-09-17

Applicant: 한국전자통신연구원

Inventor： 박경현

IPC: H01S5/12 ,  H01S3/05

CPC classification number: H01S5/1092 ,  G02F1/3534 ,  G02F2203/13 ,  H01S5/0092 ,  H01S5/026 ,  H01S5/0425 ,  H01S5/0612 ,  H01S5/06258 ,  H01S5/1096 ,  H01S5/12 ,  H01S5/1215 ,  H01S5/4087

Abstract: PURPOSE: A Thz(Tera-Herts) transceiver of a frequency tunable type and a manufacturing method of a dual wavelength laser are provided to greatly reduce whole manufacture costs by manufacturing a micro structure. CONSTITUTION: A Thz(Tera-Herts) transceiver(100) of a frequency tunable type comprises a dual wavelength laser(120) and an optic device(140). The dual wavelength laser is used in order to manufacture two separate distributed feedback lasers on one substrate. The dual wavelength laser is driven with an integrated discrete device. The optic device directly combines optical powers to a lens(142) of an arbitrary shape. The optic device generates a tera-herts wave by directly irradiating a photo mixer(144) with combined optical powers.

Abstract translation: 目的：提供频率可调谐型的Thz（Tera-Herts）收发器和双波长激光器的制造方法，以通过制造微结构大大降低整体制造成本。 构成：频率可调谐型的Thz（Tera-Herts）收发器（100）包括双波长激光器（120）和光学器件（140）。 双波长激光器用于在一个基板上制造两个分离的反射激光器。 双波长激光器由集成分立器件驱动。 光学装置将光功率直接组合成任意形状的透镜（142）。 光学装置通过以组合的光焦度直接照射光混合器（144）来产生一个tera-herts波。

公开(公告)号：KR1020110093547A

公开(公告)日：2011-08-18

申请号：KR1020100055614

申请日：2010-06-11

Applicant: 한국전자통신연구원 ,  한국표준과학연구원

Inventor： 전민용 ,  박경현 ,  이대수

IPC: H01S3/10

CPC classification number: H01S3/137 ,  H01S3/109 ,  H01S3/1608 ,  H01S3/1618

Abstract: PURPOSE: A terahertz wave apparatus is provided to use a wavelength fixed laser and wavelength swept laser, thereby producing a high speed frequency varying terahertz wave. CONSTITUTION: A wavelength fixed laser(310) oscillates a first laser light with a fixed first wavelength. The wavelength fixed laser includes a laser light source and resonator. A wavelength swept laser(320) oscillates a second laser light with a varying second wavelength. The wavelength swept laser is able to continuously scan or sweep a wavelength. A high frequency driver(325) is able to apply pulse type voltage. The wavelength swept laser is able to sweep the second wavelength by the high frequency driver. A coupler(330) combines the first laser light and the second laser light. A generator(340) generates a terahertz wave with a frequency corresponding to wavelength difference of the first wavelength and second wavelength.

Abstract translation: 目的：提供一种使用波长固定激光和波长扫描激光器的太赫波装置，从而产生高速变频太赫兹波。 构成：波长固定激光器（310）以固定的第一波长振荡第一激光。 波长固定激光器包括激光光源和谐振器。 波长扫描激光器（320）振荡具有变化的第二波长的第二激光。 波长扫描激光器能够连续扫描或扫描波长。 高频驱动器（325）能够施加脉冲型电压。 波长扫描激光器能够通过高频驱动器扫描第二波长。 耦合器（330）组合第一激光和第二激光。 发生器（340）产生具有对应于第一波长和第二波长的波长差的频率的太赫兹波。

公开(公告)号：KR1020110069538A

公开(公告)日：2011-06-23

申请号：KR1020090126310

申请日：2009-12-17

Applicant: 한국전자통신연구원

Inventor： 박경현 ,  김남제 ,  임영안 ,  한상필 ,  이철욱 ,  신재헌 ,  심은덕 ,  백용순

IPC: H01S5/10

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

Abstract: PURPOSE: A laser device is provided to minimize output intensity difference between first and second laser light sources, by changing a gain curve of an active layer. CONSTITUTION: A 1×2 distributor is arranged on a substrate. The 1x2 distributor includes a stem core, a first branch core and a second branch core. An active layer(110) is connected to the stem core. The active layer generates a light source with plural wavelength. The active layer provides gain. A first diffraction grating(125a) is coupled to the first branch core. A second diffraction grating is coupled to the second branch core. An active layer-micro heater(140a) supplies heat to the active layer. A first and a second micro heater(145a,145b) supply heat to the first and the second diffraction grating respectively.

Abstract translation: 目的：通过改变活性层的增益曲线，提供激光装置以最小化第一和第二激光光源之间的输出强度差异。 构成：1×2分配器布置在基板上。 1x2分配器包括杆芯，第一分支芯和第二分支芯。 活性层（110）连接到茎芯。 有源层产生具有多个波长的光源。 有源层提供增益。 第一衍射光栅（125a）耦合到第一分支芯。 第二衍射光栅耦合到第二分支芯。 有源层 - 微加热器（140a）向活性层提供热量。 第一和第二微加热器（145a，145b）分别向第一和第二衍射光栅供应热量。

公开(公告)号：KR1020110069453A

公开(公告)日：2011-06-23

申请号：KR1020090126196

申请日：2009-12-17

Applicant: 한국전자통신연구원

Inventor： 김남제 ,  박경현 ,  임영안 ,  한상필 ,  이철욱 ,  심은덕 ,  신재헌

IPC: H01B5/06 ,  H01B5/00

CPC classification number: G02F1/3534 ,  G02F2203/13 ,  G02F2203/70 ,  H01S5/0092 ,  H01S5/02248 ,  H01S5/06216 ,  H01S5/50

Abstract: PURPOSE: A photo mixer module and terahertz wave generating method thereof are provided to increase the strength of exciting light for generating a terahertz wave, thereby increasing the stability of the photo mixer. CONSTITUTION: A semiconductor optical amplifier(110) amplifies incident laser light. The semiconductor optical amplifier includes a gain waveguide(112) and an electrode(114) for amplifying incident excitation light. A photo mixer(120) generates a consecutive terahertz wave by exciting the amplified laser light. The photo mixer comprises electrodes(126,127) for providing bias to antennas(124,125). The photo mixer is formed of the same module as the semiconductor optical amplifier.

Abstract translation: 目的：提供一种光混合器模块和太赫兹波发生方法，以增加产生太赫兹波的激发光的强度，从而提高光混合器的稳定性。 构成：半导体光放大器（110）放大入射激光。 半导体光放大器包括用于放大入射激发光的增益波导（112）和电极（114）。 光混合器（120）通过激发放大的激光来产生连续的太赫兹波。 光混合器包括用于向天线（124,125）提供偏置的电极（126,127）。 光混合器由与半导体光放大器相同的模块形成。

公开(公告)号：KR1020100117815A

公开(公告)日：2010-11-04

申请号：KR1020090036470

申请日：2009-04-27

Applicant: 한국전자통신연구원

Inventor： 박경현 ,  김남제 ,  신재헌 ,  심은덕 ,  이철욱 ,  백용순 ,  한상필 ,  오광룡

IPC: H01S3/067

CPC classification number: H01S3/0675 ,  H01S3/0619 ,  H01S5/0657

Abstract: PURPOSE: A dual mode optical fiber laser module is provided to obtain two stable oscillating wavelength by controlling the two oscillating wavelength using injection locking method within the optical fiber laser oscillator. CONSTITUTION: A dual mode optical fiber laser module(200) comprises an optical fiber laser(210), a first injection locking unit(222) offering the first injection locking to the optical fiber laser, and a second injection locking unit(224) offering the second injection locking to the optical fiber laser. A first wavelength of the first injection locking unit and a second wavelength of the second injection locking unit are different from each other.

Abstract translation: 目的：提供双模光纤激光模块，通过光纤激光振荡器内的注入锁定方式控制两个振荡波长，获得两个稳定的振荡波长。 构成：双模光纤激光器模块（200）包括光纤激光器（210），向光纤激光器提供第一注入锁定的第一注入锁定单元（222）和提供光纤激光器的第二注入锁定单元（224） 第二次注射锁定到光纤激光器。 第一注入锁定单元的第一波长和第二注入锁定单元的第二波长彼此不同。

公开(公告)号：KR1020100066302A

公开(公告)日：2010-06-17

申请号：KR1020090036468

申请日：2009-04-27

Applicant: 한국전자통신연구원

Inventor： 김남제 ,  박경현 ,  신재헌 ,  이철욱 ,  심은덕 ,  한상필 ,  백용순

IPC: H04B10/80 ,  H04W88/02

CPC classification number: H04B10/25753 ,  H04B10/548

Abstract: PURPOSE: A communication device is provided to transmit a signal to an antenna among a plurality of antennas corresponding to the frequency of the signal. CONSTITUTION: A light source(110) outputs an optical signal including a target frequency component corresponding to target frequency. A plurality of antennas(120) comprises different frequency characteristics. A control circuit(130) transfers the optical signal to an antenna selected among plurality of antenna corresponding to a target frequency component having frequency characteristic. The selected antenna receives input of the optical signal. The selected antenna transmits the transmission signal having goal frequency component.

Abstract translation: 目的：提供一种通信设备，用于在对应于信号频率的多个天线中向天线发送信号。 构成：光源（110）输出包括对应于目标频率的目标频率分量的光信号。 多个天线（120）包括不同的频率特性。 控制电路（130）将光信号传送到与具有频率特性的目标频率分量对应的多个天线中选择的天线。 所选择的天线接收光信号的输入。 所选天线发送具有目标频率分量的发送信号。

公开(公告)号：KR1020100063603A

公开(公告)日：2010-06-11

申请号：KR1020090024622

申请日：2009-03-23

Applicant: 한국전자통신연구원

Inventor： 박경현 ,  신재헌 ,  김남제 ,  이철욱 ,  심은덕 ,  한상필 ,  백용순

IPC: G02F1/39 ,  G02B6/00 ,  H01S3/10 ,  G01N21/17

CPC classification number: G02F1/39 ,  G01N21/3581 ,  G02B3/08

Abstract: PURPOSE: A photomix module is provided to ensure the productivity and reliability thereof by forming a Fresnel lens at the back surface of the substrate. CONSTITUTION: A photomix module(130) includes a substrate(132), a photomix structure(135) and a Fresnel lens structure. The Fresnel lens structure is provided to the lower portion of the substrate, and the photomix module collects a terahertz wave of a photomix structure the light incident to the substrate through the Fresnel lens structure. The Fresnel lens(131) is arranged with the photomix structure, and collects the terahertz wave of the photomix structure through the diffraction.

Abstract translation: 目的：通过在基板的背面形成菲涅耳透镜，提供了一种光混合模块，以确保其生产率和可靠性。 构成：光混合模块（130）包括衬底（132），光混合结构（135）和菲涅尔透镜结构。 菲涅尔透镜结构设置在基板的下部，并且光混合模块通过菲涅尔透镜结构收集入射到基板的光的混合结构的太赫兹波。 菲涅尔透镜（131）配有光混合结构，通过衍射收集光混合结构的太赫兹波。

公开(公告)号：KR100958661B1

公开(公告)日：2010-05-20

申请号：KR1020090090235

申请日：2009-09-23

Applicant: 한국전자통신연구원

Inventor： 김병휘 ,  박만용 ,  박경현 ,  윤현호

IPC: G02B6/12 ,  H01S3/10

Abstract: 본 발명은 PLC-ECL형 파장 가변 광원의 제작과 응용에 있어서, 파장 가변 기구의 성능과 안정성 개선, 광원의 패키징 성능과 양산성 개선 및 광원의 WDM-PON 적용에 대한 초기화 및 안정화 기능을 부가할 수 있는 파장 가변 광원 및 그 광원을 이용한 WDM-PON을 제공한다. 그 파장 가변 광원은 반도체 광 이득 매질이 실장된 제1 하우징; 실리콘 기판, 상기 기판 상에 형성되고 상기 기판을 상부층으로부터 열적으로 차단하는 열차단막, 광도파로의 열광학 효과를 이용하기 위해 상기 열차단막 상에 형성된 박막금속히터, 및 상기 박막금속히터 상에 폴리머로 형성된 클래드층 및 코아층을 구비한 광도파로;를 포함하는 평판형 광도파로(Planar Lightwave circuit: PLC) 소자가 실장된 제2 하우징; 및 광섬유가 실장된 제3 하우징;을 포함하고, 상기 제1, 제2, 및 제3 하우징이 광결합 렌즈를 통해 광축 정렬이 이루어지고 레이저 웰딩(laser welding) 방법을 통해 결합되어 있는 PLC-외부 공진기(External Cavity Laser: ECL) 구조를 갖는다.