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公开(公告)号：KR1020040052272A
公开(公告)日：2004-06-23
申请号：KR1020020080112
申请日：2002-12-16
Applicant: 한국전자통신연구원
IPC: G02B6/14
CPC classification number: G02B6/1228
Abstract: PURPOSE: A spot size converter, a fabricating method thereof, and a spot size converter IC are provided to enhance the optical coupling efficiency by coupling easily an optical fiber to an optical detection device. CONSTITUTION: A spot size converter includes a semiconductor substrate, a first waveguide, and a second waveguide. The first waveguide(32) is laminated on the semiconductor substrate(31) in order to form a shape of ridge. The first waveguide is coupled to an optical fiber. The second waveguide(33) is formed on the first waveguide. The second waveguide has a tapering structure. The width of the second waveguide is increased to the second waveguide. A starting part of the second waveguide is formed with a mesa structure or an inverse mesa structure.
Abstract translation: 目的：提供光斑尺寸转换器，其制造方法和光点尺寸转换器IC，以通过将光纤容易地耦合到光学检测装置来提高光耦合效率。 构成：点尺寸转换器包括半导体衬底，第一波导和第二波导。 第一波导（32）层叠在半导体基板（31）上，以形成脊状。 第一波导耦合到光纤。 第二波导（33）形成在第一波导上。 第二波导具有锥形结构。 第二波导的宽度增加到第二波导。 第二波导的起始部分形成有台面结构或逆台面结构。
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公开(公告)号：KR1020040052017A
公开(公告)日：2004-06-19
申请号：KR1020020079735
申请日：2002-12-13
Applicant: 한국전자통신연구원
IPC: H01S5/30
CPC classification number: H01S5/3409 , H01S5/1003 , H01S5/34373
Abstract: PURPOSE: A semiconductor laser device and a method of manufacturing the same are provided to obtain high optical coupling efficiency without deterioration of optical characteristics. CONSTITUTION: A semiconductor laser device includes an active waveguide(100a), a passive waveguide(100b) and a plurality of clad layers(130,155,160). The active waveguide(100a) is formed on the predetermined portion of the substrate(110). The passive waveguide(100b) is provided with a core layer(145). Each of the clad layers(130,155,160) is formed on the active waveguide(100a) and the passive waveguide(100b). And, a pair of separated confinement heterostructure(SCH) layers(115,125) are formed on top and below the core layer(120) of the active waveguide(100a).
Abstract translation: 目的：提供一种半导体激光器件及其制造方法，以获得高的光耦合效率，而不会降低光学特性。 构成：半导体激光器件包括有源波导（100a），无源波导（100b）和多个包覆层（130,155,160）。 有源波导（100a）形成在基板（110）的预定部分上。 无源波导（100b）设置有芯层（145）。 每个包覆层（130,155,160）形成在有源波导（100a）和无源波导（100b）上。 并且，在有源波导（100a）的芯层（120）的上方和下方形成一对分离的限制异质结构（SCH）层（115,125）。
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公开(公告)号：KR1020170010936A
公开(公告)日：2017-02-02
申请号：KR1020150102358
申请日：2015-07-20
Applicant: 한국전자통신연구원
CPC classification number: G01R31/2656 , G01R1/06772 , G01R1/07 , G01R31/2635 , H01L22/32 , H01L23/535 , H01L23/66 , H01L24/05 , H01L24/45 , H01L2223/6611 , H01L2223/6627 , H01L2223/6655 , H01L2224/04042 , H01L2924/00014 , H01P3/00 , H01P5/085 , H01S5/0014 , H01S5/0427 , H01L2224/45099
Abstract: 본발명의실시예에따른무선주파수프로브장치는접지전극및 신호전극을포함하는 RF 도파로(waveguide); 상기신호전극에연결된레지스터; 상기접지전극에연결되는외부도체, 상기신호전극에연결된내부도체, 및상기외부도체와상기내부도체사이를채우는유전체를포함하는 RF 커넥터; 및상기 RF 도파로의상기신호전극에연결되거나, 상기레지스터에연결된단일팁 프로브를포함할수 있다.
Abstract translation: 本发明提供一种射频探针装置，包括：RF波导，包括接地电极和信号电极;连接到信号电极的寄存器; RF连接器，包括连接到接地电极的外部导体;连接到信号电极的内部导体 以及填充外部导体和内部导体之间的部分的电介质体，以及连接到RF波导的信号电极或寄存器的单个尖端探头。
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公开(公告)号：KR1020160126154A
公开(公告)日：2016-11-02
申请号：KR1020150056657
申请日：2015-04-22
Applicant: 한국전자통신연구원
Abstract: 본발명은레이저레이더시스템에관한것으로, 비회전하는고해상도광각의 3차원영상검출을위한아발란치광 검출기어레이를이용하는레이저레이더시스템에관한것이다. 이에따른본 발명은, 펄스레이저로부터출력되는광을편향시켜목표물의원하는영역에조사되도록하는광 편향기, 상기목표물로부터반사되고수광렌즈를거쳐전달되는광을수신하고, 수신한광으로부터신호를검출하는아발란치광 검출기, 상기아발란치광 검출기에의해검출된신호를증폭시키는증폭기, 상기증폭기에의해증폭된신호를통합하는결합기및 상기결합기에의해통합된신호를처리하여 3차원영상으로출력하는영상처리기를포함하되, 상기아발란치광 검출기는특정한형태로배열된복수의아발란치광 다이오드를포함하는것을특징으로하는레이저레이더시스템에관한것이다. 특히, 본발명은타겟에서반사되어오는신호를수광렌즈를통하여수신되는광을인포커싱하여수신함에있어서, 광각의고해상도영상을얻기위해각각의아발란치광 검출기어레이의간격을최적화하는레이저레이더시스템에관한것이다.
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公开(公告)号：KR101344027B1
公开(公告)日：2013-12-24
申请号：KR1020100073374
申请日：2010-07-29
Applicant: 한국전자통신연구원
IPC: G01J1/44 , H01L27/146
CPC classification number: G11C27/024
Abstract: 본발명은가이거모드로동작하는광검출기에관한것이다. 본발명의실시예에따른광검출기는, 아발란치포토다이오드, 상기아발란치포토다이오드의일단에바이어스전압을제공하는바이어스회로, 상기아발란치포토다이오드의타단에연결되며, 상기아발란치포토다이오드에발생하는광전류를검출하기위한검출회로, 그리고상기아발란치포토다이오드의일단또는타단에연결되며, 상기아발란치포토다이오드를가이거모드로구동하기위한커플링전압을제공하는커플링커패시터를포함한다.
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Patent Agency Ranking
公开(公告)号：KR1020130128651A
公开(公告)日：2013-11-27
申请号：KR1020120052524
申请日：2012-05-17
Applicant: 한국전자통신연구원
CPC classification number: H01S5/0609 , H01S5/1042 , H01S5/2013
Abstract: The present invention relates to an electro-absorption modulator laser. The present invention includes a single wavelength laser which includes a first multiple quantum well, has a ridge structure, and outputs an optical signal; an electro-absorption modulator which includes a second multiple quantum well, has a ridge structure, and modulates the optical signal outputted from the single wavelength laser; and a mode converter which changes the mode size of the optical signal modulated by the electro-absorption modulator and has a ridge structure. The single wavelength laser and the electro-absorption modulator are butt-combined.
Abstract translation: 本发明涉及一种电吸收式调制激光器。 本发明包括单波长激光器，其包括第一多量子阱，具有脊结构，并输出光信号; 包括第二多量子阱的电吸收调制器具有脊结构，并且调制从单个波长激光器输出的光信号; 以及模式转换器，其改变由电吸收调制器调制的光信号的模式尺寸并具有脊结构。 单波长激光器和电吸收调制器是对接的。
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公开(公告)号：KR1020130074959A
公开(公告)日：2013-07-05
申请号：KR1020110143105
申请日：2011-12-27
Applicant: 한국전자통신연구원
CPC classification number: H04B10/572 , H01S5/02272 , H01S5/0612 , H01S5/101 , H01S5/141 , H01S5/227
Abstract: PURPOSE: The direct coupling type wavelength varying external resonator laser is provided to a working speed by controlling an optical power capable of making the high speed operation. CONSTITUTION: The wavelength varying external resonator laser (1000) comprises a gain medium (500), an optical waveguide structure (400), and the high frequency transmission media (600). The gain medium generates the optical signal according to an approved bias current. The optical waveguide structure comprises a mirror surface by combining with the gain medium, generates lasing inside the mirror facet when the approved bias current is over a threshold value. The high frequency transmission media comprises a dielectric body (610), a metallic thin film wire (620), and a matching resistance unit (630). The dielectric body controls the working speed of the optical signal by adding the high frequency signal in the approved bias current. The metallic thin film wire comprises a transmission line by combining with the dielectric body. The matching resistance unit performs a signal matching function by adding the resistance value of the gain medium.
Abstract translation: 目的：通过控制能够进行高速运行的光功率，将直接耦合型波长变化的外部谐振器激光器提供给工作速度。 构成：波长变化的外部谐振器激光器（1000）包括增益介质（500），光波导结构（400）和高频传输介质（600）。 增益介质根据批准的偏置电流产生光信号。 光波导结构包括通过与增益介质组合的镜面，当认可的偏置电流超过阈值时，在镜面内产生激光。 高频传输介质包括电介质体（610），金属薄膜线（620）和匹配电阻单元（630）。 介质体通过在批准的偏置电流中加入高频信号来控制光信号的工作速度。 金属薄膜线通过与介电体结合而形成传输线。 匹配电阻单元通过增加增益介质的电阻值来执行信号匹配功能。
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公开(公告)号：KR1020120047380A
公开(公告)日：2012-05-14
申请号：KR1020100108684
申请日：2010-11-03
Applicant: 한국전자통신연구원
CPC classification number: H01S5/141 , H01S5/0265 , H01S5/06256 , H01S5/1032 , H01S5/22
Abstract: PURPOSE: An apparatus for generating a wavelength tunable external cavity laser is provided to perform high speed modulation by integrating a light amplifier, a reflective multimode intervening machine, and light modulator on one substrate into a successive waveguide form. CONSTITUTION: A light amplifier(130), a reflective multimode intervening device(140), and a light signal processor(150) are offered on a first substrate(110). The light amplifier, the reflective multimode intervening device, and the light signal processor form a successive wave guide. An external wavelength tunable reflector(220) is offered on a second substrate(210). The external wavelength tunable reflector reflects light corresponding to a specific wave from lights which enter. A mode intervening device reflects some of incident lights. The mode intervening device transmits the rest light of the incident lights. The light amplifier is installed between the external wavelength tunable reflector and the reflective multimode intervening device.
Abstract translation: 目的：提供一种用于产生波长可调谐外腔激光器的装置，通过将光放大器，反射多模插入机和光调制器在一个衬底上集成成连续的波导形式来执行高速调制。 构成：在第一基板（110）上提供光放大器（130），反射多模插入装置（140）和光信号处理器（150）。 光放大器，反射多模插入装置和光信号处理器形成连续的波导。 在第二基板（210）上提供外部波长可调谐反射器（220）。 外部波长可调谐反射器从入射的光反射相应于特定波的光。 模式中介装置反映了一些入射灯。 模式中间装置传输入射光的其余光。 光放大器安装在外部波长可调谐反射器和反射多模中间装置之间。
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公开(公告)号：KR100987793B1
公开(公告)日：2010-10-13
申请号：KR1020080099613
申请日：2008-10-10
Applicant: 한국전자통신연구원
IPC: H04B10/291 , H04B10/00 , H01S3/16
CPC classification number: H01S5/50 , H01S5/026 , H01S5/0608 , H01S5/06258 , H01S5/1014 , H01S5/509
Abstract: 반사형 반도체 광 증폭기가 제공된다. 상기 반사형 반도체 광 증폭기는 외부로부터 입사되는 하향 광신호가 이득을 가지도록 동작하는 신호 증폭 영역과, 상기 신호 증폭 영역과 연결되고 변조된 레이저 신호를 발생하는 신호 변조 영역을 포함한다. 상기 하향 광신호는 상기 변조된 레이저 신호에 의한 교차이득 변조를 통해 증폭되어 상향 광신호로서 출력된다. 상기 레이저 신호의 파장 대역은 상기 하향 광신호와는 다른 파장 대역을 갖고, 상기 증폭의 이득 대역에 포함된다.
광 증폭기, 레이저, 변조, 교차이득-
公开(公告)号：KR1020100072608A
公开(公告)日：2010-07-01
申请号：KR1020080131058
申请日：2008-12-22
Applicant: 한국전자통신연구원
IPC: H04B10/00 , H04B10/2581
CPC classification number: H01S5/4062 , H01S5/0268 , H01S5/0612 , H01S5/0687 , H01S5/141 , H01S5/4087
Abstract: PURPOSE: A multi-wavelength laser diode, a multi-wavelength laser diode module, and a wavelength division multiplexing optical communication system are provided to make the output wavelength of a multi-wavelength laser diode be identical to the external reference wavelength of the multi-wavelength laser diode. CONSTITUTION: First light amplifiers(110) generate and amplify first to nth wavelength signals, and a second wavelength amplifier(120) generates and amplifies a monitor wavelength signal. A wavelength selector(150) selects and outputs the amplified monitor wavelength signal and the amplified first to nth wavelength signals. An optical detector(140) detects the reflection wavelength signal of the monitor wavelength signal outputted from the wavelength selector.
Abstract translation: 目的：提供多波长激光二极管，多波长激光二极管模块和波分复用光通信系统，使多波长激光二极管的输出波长与多波长激光二极管的外部参考波长相同， 波长激光二极管。 构成：第一光放大器（110）产生并放大第一至第n波长信号，第二波长放大器（120）产生和放大监视波长信号。 波长选择器（150）选择并输出放大的监视波长信号和放大的第一至第十波长信号。 光检测器（140）检测从波长选择器输出的监视波长信号的反射波长信号。
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