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公开(公告)号：KR101897257B1
公开(公告)日：2018-09-11
申请号：KR1020120051117
申请日：2012-05-14
Applicant: 한국전자통신연구원
CPC classification number: H01L31/02 , G02F1/3534 , G02F2203/13 , H01L31/0232 , H01L31/02327 , H01L31/105 , H01S5/005 , H01S5/0092 , H01S5/4012 , H01S5/4087 , H03B2200/0084
Abstract: 본발명은광 검출기및 그를구비한광학소자를개시한다. 그의소자는, 제 1 및제 2 레이저빔을생성하는제 1 및제 2 레이저들과, 상기제 1 및제 2 레이저들과연결되는광 도파로와, 상기광 도파로를통해전달되는상기제 1 및제 2 레이저빔을검출하는광 검출기를포함한다. 여기서, 상기광 검출기는, 기판과, 상기기판상의제 1 불순물층과, 상기제 1 불순물층 상의흡수층과, 상기흡수층 상의제 2 불순물층을포함할수 있다. 상기흡수층은상기제 1 및제 2 레이저빔의비팅에의해테라헤르츠파를생성하고, 0.2마이크로미터미만의두께를가질수 있다.
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公开(公告)号：KR101756106B1
公开(公告)日：2017-07-11
申请号：KR1020100125778
申请日：2010-12-09
Applicant: 한국전자통신연구원
IPC: H01S5/12
Abstract: 다중분포귀환레이저소자를제공한다. 이소자는제1 분포귀환영역, 변조영역, 제2 분포귀환영역및 증폭영역을포함하는기판을포함한다. 활성층이제1 분포귀환, 변조, 제2 분포귀환및 증폭영역들의기판상에배치된다. 제1 회절격자가제1 분포귀환영역내에배치되어, 제1 분포귀환영역의활성층과커플된다. 제2 회절격자가제2 분포귀환영역내에배치되어, 제2 분포귀환영역의활성층과커플된다. 또한, 이소자는제1 회절격자에열을공급하는제1 마이크로히터및 제2 회절격자에열을공급하는제2 마이크로히터를포함한다.
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公开(公告)号：KR101746508B1
公开(公告)日：2017-06-27
申请号：KR1020100127117
申请日：2010-12-13
Applicant: 한국전자통신연구원
IPC: H01S1/00
CPC classification number: H01S5/06258 , G02F1/3534 , G02F2/002 , G02F2203/13 , H01S5/026 , H01S5/1092 , H01S5/1215 , H01S5/1237 , H01S5/4087
Abstract: 본발명은테라헤르츠파를생성및 검출하기위한테라헤르츠파발생기에관한것이다. 본발명에따른테라헤르츠파발생기는적어도두 개파장의레이저광을생성하고, 생성된레이저광을비팅(Beating)하여출력하는이중모드반도체레이저소자, 그리고상기이중모드반도체레이저소자와동일칩 상에형성되며, 상기비팅된레이저광에여기되어연속테라헤르츠파를생성하는포토믹서를포함한다.
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公开(公告)号：KR101700779B1
公开(公告)日：2017-01-31
申请号：KR1020130032972
申请日：2013-03-27
Applicant: 한국전자통신연구원
CPC classification number: G02F1/353 , G02F2203/13 , H01L31/02161 , H01L31/03046 , H01L31/14 , H01L31/1844
Abstract: 기존광대역테라헤르츠분광시스템의핵심부품인 PCA 및포토믹서의현존하는제한적인요소를근본적으로해결한포토믹서및 그의제조방법을제시한다. 제시된포토믹서는기판의상면에형성되되광이입사되는영역에형성된활성층, 및기판의상면에형성되되광이입사되는영역을제외한나머지영역에형성된열전도층을포함한다. 활성층은메사형단면을갖도록형성되고, 열전도층은광이입사되는영역을제외한영역에 MOCVD법으로재성장되어평탄화된표면을갖게된다.
Abstract translation: 本文公开了一种混合器和制造光混合器的方法，其可以从根本上解决作为常规宽带太赫兹光谱系统的核心部分的PCA和光混合器的现有限制因素。 所提供的光混色器包括形成在基板的顶表面上的有源层，所述有源层形成在光入射的区域上，以及形成在所述基板的顶表面上的导热层，所述导热层被形成 在光线入射区域以外的区域。 有源层形成为具有台面横截面，并且使用MOCVD方法将导热层再生长在除了入射光的区域之外的区域上，并且具有扁平表面。
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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
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。
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Patent Agency Ranking
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
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。
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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
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。
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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
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。
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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
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。
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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
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。
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