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公开(公告)号：KR1020130067613A
公开(公告)日：2013-06-25
申请号：KR1020110134353
申请日：2011-12-14
Applicant: 한국전자통신연구원
IPC: G02B6/122
CPC classification number: G02B6/1228 , G02B6/126
Abstract: PURPOSE: A core and an optical wave guide are provided to reduce the light connection loss between discontinuous optical wave guides which exist on a same substrate. CONSTITUTION: A core(100) is comprised of the followings: a first optical wave progressing unit(109) which has a first light receiving width; a first optical wave discontinuous unit(106) which has a second light receiving width which is smaller than the first light receiving width; a first taper configuration unit(105) which connects with the first optical wave progressing unit and the first optical wave discontinuous unit, and in which the light receiving width becomes narrower from the first optical wave progressing unit to the first optical wave discontinuous unit; a second light progressing unit(110) which has a third light receiving width; a second optical wave discontinuous unit(107) which has a fourth light receiving width which is smaller than the third light receiving width and the first light receiving width; and a second taper configuration unit(108) which connects with the second light progressing unit and the second optical wave discontinuous unit, and in which the light receiving width becomes narrower from the second optical wave progressing unit to the second optical wave discontinuous unit.
Abstract translation: 目的：提供芯和光波导，以减少存在于同一基板上的不连续光波导之间的光连接损耗。 构成：芯（100）包括：第一光波进行单元（109），其具有第一光接收宽度; 第一光波不连续单元（106），其具有小于第一光接收宽度的第二光接收宽度; 第一锥形配置单元，其与第一光波进行单元和第一光波不连续单元连接，并且其中光接收宽度从第一光波进行单元变窄到第一光波不连续单元; 具有第三光接收宽度的第二光进行单元（110） 第二光波不连续单元（107），其具有小于所述第三光接收宽度和所述第一光接收宽度的第四光接收宽度; 以及第二锥形配置单元，其与第二光进行单元和第二光波不连续单元连接，并且其中光接收宽度从第二光波进行单元变窄到第二光波不连续单元。
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公开(公告)号：KR101268547B1
公开(公告)日：2013-05-28
申请号：KR1020090124872
申请日：2009-12-15
Applicant: 한국전자통신연구원
IPC: G02B6/38
CPC classification number: G02B6/3825 , G02B6/3894
Abstract: 본발명은어뎁터어셈블리및 이를이용한광섬유길이차이를보상하는방법에관한것이다. 본발명의어뎁터어셈블리는적어도하나의광통신수단이연결될수 있는제1 어뎁터와, 적어도하나의다른광통신수단이연결될수 있으며상기제1 어뎁터와결합되는제2 어뎁터와, 그리고상기제1 및제2 어뎁터사이에샌드위치되어상기광통신수단들사이에서광신호의전송경로를제공하는부재를포함할수 있다. 본발명에의하면, 상기부재에의해광섬유의길이장단에따른광신호전송경로차이가보상된다.
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公开(公告)号：KR101199301B1
公开(公告)日：2012-11-09
申请号：KR1020090027619
申请日：2009-03-31
Applicant: 한국전자통신연구원
IPC: H01L31/10 , H01L21/02 , H01L21/265
Abstract: 화합물 반도체 소자의 형성 방법을 제공한다. 이 방법에 따르면, 기판 상에 언도프트 화합물 반도체막을 형성하고, 언도프트 화합물 반도체막 상에 도펀트막을 형성하고, 어닐링 공정을 수행하여 도펀트막내 도펀트들을 언도프트 화합물 반도체막내로 확산시켜 도펀트 확산 영역을 형성하고, 도펀트 확산 영역을 갖는 기판에 액체질소를 사용하는 급속 냉각 처리를 수행한다.
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公开(公告)号：KR1020120068337A
公开(公告)日：2012-06-27
申请号：KR1020100129923
申请日：2010-12-17
Applicant: 한국전자통신연구원
IPC: H04B10/145 , H04B10/148
CPC classification number: H04B10/548 , H04B10/0775 , H04B10/588 , H04B10/613 , H04B10/6165 , H04L27/2096 , H04L27/2613 , H04L27/2657 , H04L27/2675 , H04L27/2692 , H04L27/2697
Abstract: PURPOSE: A method and a device for transmitting and receiving coherent optical orthogonal frequency division multiplexing(OFDM) are provided to efficiently compensate phase noises although a system uses a light source with a wide line width for OFDM signals with long symbol lengths. CONSTITUTION: A transmission OFDM digital signal processing part(210) outputs in-phase digital signals and quadrature digital signals. A digital to analog converter(220) converts the in-phase digital signals and the quadrature digital signals into analog signals. An adder(230) adds additional pilot tone signals to each analog signal. An optical in-phase/quadrature modulator(240) outputs coherent optical OFDM signals containing the additional pilot tone signals by upwardly converting the analog signals based on additional pilot tone signal added in-phase components and quadrature components.
Abstract translation: 目的：提供一种用于发送和接收相干光正交频分复用（OFDM）的方法和设备，以便有效地补偿相位噪声，尽管系统对具有长符号长度的OFDM信号使用具有宽线宽的光源。 构成：发送OFDM数字信号处理部（210）输出同相数字信号和正交数字信号。 数模转换器（220）将同相数字信号和正交数字信号转换为模拟信号。 加法器（230）向每个模拟信号添加附加的导频音信号。 光同相/正交调制器（240）通过基于添加的同相分量和正交分量的附加导频音信号向上转换模拟信号来输出包含附加导频音信号的相干光OFDM信号。
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公开(公告)号：KR101066604B1
公开(公告)日：2011-09-22
申请号：KR1020080130496
申请日：2008-12-19
Applicant: 한국전자통신연구원
IPC: H01L31/107
Abstract: 고속 광 통신에 적합한 아발란치 포토 다이오드의 제조 방법은 다음과 같다. 우선, 제1 도전형 기판의 전면(全面)에 차례로 제1 도전형 버퍼층, 광 흡수층, 그레이딩층, 제1 도전형 전기장 조절층 및 제1 도전형 증폭층을 형성한다. 다음, 제1 도전형 증폭층을 식각하여 제2 폭을 갖는 제2 리세스부와, 제2 리세스부로부터 연장되고 제2 폭보다 작은 제1 폭을 갖는 제1 리세스부를 포함하는 리세스 영역을 형성한다. 다음, 리세스 영역에 제2 도전형 확산 물질을 제공하고 제2 도전형 증폭층으로 확산시켜 제2 도전형 확산층을 형성한다. 다음, 제1 도전형 증폭층 상에 제2 도전형 확산층과 연결되는 제2 도전형 전극을 형성한 후, 제1 도전형 기판의 후면에 제1 도전형 전극을 형성하여 아발란치 포토 다이오드를 제조한다.
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Patent Agency Ranking
公开(公告)号：KR1020110068041A
公开(公告)日：2011-06-22
申请号：KR1020090124863
申请日：2009-12-15
Applicant: 한국전자통신연구원
IPC: H01L31/107
CPC classification number: H01L31/02327 , H01L31/1075
Abstract: PURPOSE: An c is provided to increase the light receiving efficiency of an optical detector by forming a micro lens in the lower part and upper part of the optical detector. CONSTITUTION: In a light receiving efficiency, a light absorption layer is formed on a semiconductor substrate. An amplification layer(140) is formed on the light absorption layer. A diffusion layer(150) is formed inside the amplification layer. A micro lens(180) is formed to be corresponded to the diffusion layer. The micro lens comprises a first refraction layer and a second refraction layer having lower refractive index than that of the first refraction layer The first refraction layer is adjacent to the diffusion layer. The second refraction layer is formed on the first refraction layer.
Abstract translation: 目的：提供一种通过在光学检测器的下部和上部形成微透镜来提高光学检测器的光接收效率的c。 构成：在光接收效率下，在半导体衬底上形成光吸收层。 在光吸收层上形成放大层（140）。 扩散层（150）形成在放大层的内部。 形成与扩散层对应的微透镜（180）。 微透镜包括具有比第一折射层低的折射率的第一折射层和第二折射层。第一折射层邻近扩散层。 第二折射层形成在第一折射层上。
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公开(公告)号：KR1020100063632A
公开(公告)日：2010-06-11
申请号：KR1020090043174
申请日：2009-05-18
Applicant: 한국전자통신연구원
IPC: H01L27/146
CPC classification number: H04N5/3742 , H01L27/14603 , H01L27/14641 , H04N5/3741 , H04N5/37457
Abstract: PURPOSE: A share photo diode image sensor is provided to improve a resolution by simultaneously driving a transfer transistor more than two adjacent to the photo diode. CONSTITUTION: Diffusion areas(311,316) focus an electronics from a photo diode(300). Transfer transistors(310,315) connect the photo diode with the diffusion area. A read-out circuit reads out a signal from the diffusion area. The neighboring unit pixel forms a share photo diode. A sensing signal is created by simultaneously sanctioning a turn on signal in the share photo diode connecting with a plurality of transfer transistors.
Abstract translation: 目的：提供共享光电二极管图像传感器，通过同时驱动与光电二极管相邻的传输晶体管两个以上来提高分辨率。 构成：扩散区（311,316）聚焦光电二极管（300）的电子。 传输晶体管（310,315）将光电二极管与扩散区域连接。 读出电路从扩散区读出信号。 相邻单元像素形成共享光电二极管。 感测信号是通过同时处理与多个传输晶体管连接的共享光电二极管中的导通信号来产生的。
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公开(公告)号：KR1020090035290A
公开(公告)日：2009-04-09
申请号：KR1020070100496
申请日：2007-10-05
Applicant: 한국전자통신연구원
CPC classification number: H04B10/25759 , H04W88/10
Abstract: A method for separating/converting a multiband signal and an apparatus thereof are provided to expand the service available area regardless of the type of an input/output signal by using the first switch and a photo-electric converter. A photoelectric converter(203) converts an optical signal received from the outside into an electric signal. The first switch(205) separates the converted electric signal according to each frequency band. The first mobile communication band amplifier(207) amplifies a signal of the mobile communication band among signals separated by the first switch. A broadband up-converter(209) up-converts the frequency of a baseband signal among the signals separated by the first switch. The first broadband amplifier(211) amplifies the up-converted signal. A transmitter(215) wirelessly transmits signals amplified by the broadband amplifier and a mobile communication amplifier.
Abstract translation: 提供一种用于分离/转换多频带信号的方法及其装置，用于通过使用第一开关和光电转换器来扩展服务可用区域，而不管输入/输出信号的类型如何。 光电转换器（203）将从外部接收的光信号转换为电信号。 第一开关（205）根据每个频带分离转换后的电信号。 第一移动通信频带放大器（207）放大由第一交换机分离的信号中的移动通信频带的信号。 宽带上变换器（209）对由第一交换机分离的信号中的基带信号的频率进行上变频。 第一宽带放大器（211）放大上变频信号。 发射机（215）无线发射由宽带放大器和移动通信放大器放大的信号。
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公开(公告)号：KR1020080052233A
公开(公告)日：2008-06-11
申请号：KR1020070057088
申请日：2007-06-12
Applicant: 한국전자통신연구원
Abstract: A laser device integrated with a spot size converter is provided to lower a cross-section reflectance and to improve optical coupling efficiency by using a tapering structure. A laser device includes a semiconductor substrate(31), a first optical waveguide(32), a second optical waveguide(33), and metal contact layers(35,36). The first optical waveguide is formed in a ridge shape on the semiconductor substrate in order to be coupled with an optical fiber. The second optical waveguide includes a semiconductor laser region, an optical modulation region, and an optical mode conversion region and is laminated on the first optical waveguide. The metal contact layers are formed on the second optical waveguide. In the second optical waveguide, a spot size converter having an inverse mesa shape is integrated in a tapering shape within the optical mode conversion region.
Abstract translation: 提供与点尺寸转换器集成的激光装置，以降低横截面反射率并通过使用锥形结构来提高光耦合效率。 激光装置包括半导体基板（31），第一光波导（32），第二光波导（33）和金属接触层（35,36）。 第一光波导形成为半导体衬底上的脊状，以与光纤耦合。 第二光波导包括半导体激光区域，光调制区域和光模式转换区域，并且层叠在第一光波导上。 金属接触层形成在第二光波导上。 在第二光波导中，具有逆台面形状的光斑尺寸转换器在光学模式转换区域内整合为渐缩形状。
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公开(公告)号：KR1020070059878A
公开(公告)日：2007-06-12
申请号：KR1020060058093
申请日：2006-06-27
Applicant: 한국전자통신연구원
CPC classification number: H01S5/1228 , H01S5/0265 , H01S5/0422
Abstract: An electro-absorption modulator integrated laser and a method of manufacturing the same are provided to reduce a phase of light re-inputted to a distributed feedback laser diode by forming a phase adjusting electrode at a boundary between an optical modulator and the distributed feedback diode. An electro-absorption modulator integrated laser includes a compound semiconductor substrate(100). An optical modulator(150a) is formed in a first area(A) of the compound semiconductor substrate(100). A distributed feedback laser diode(150b) is formed in a second area(B) of the compound semiconductor substrate(100) adjacent to the first area(A). A phase adjusting unit is formed in a third area(C) of the compound semiconductor substrate(100) and adjusts a phase of light re-inputted to the distributed feedback laser diode(150b). A predetermined current is applied to the phase adjusting unit so as to adjust the light re-inputted from a side of the optical modulator(150a).
Abstract translation: 提供一种电吸收式调制器集成激光器及其制造方法，通过在光调制器和分布式反馈二极管之间的边界处形成相位调整电极来减少重新输入到分布式反馈激光二极管的光的相位。 电吸收式调制器集成激光器包括化合物半导体衬底（100）。 在化合物半导体衬底（100）的第一区域（A）中形成光学调制器（150a）。 在与第一区域（A）相邻的化合物半导体衬底（100）的第二区域（B）中形成分布反馈激光二极管（150b）。 在化合物半导体基板（100）的第三区域（C）中形成相位调整单元，并且调整重新输入到分布式反馈激光二极管（150b）的光的相位。 对相位调整单元施加规定的电流，调整从光调制器（150a）侧重新输入的光。
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