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公开(公告)号：KR1020140113138A
公开(公告)日：2014-09-24
申请号：KR1020130028128
申请日：2013-03-15
Applicant: 한국전자통신연구원
CPC classification number: H04B10/60 , G02B6/4214 , G02B6/4281 , H04B10/2504 , H04B10/40 , H04B10/50
Abstract: Disclosed is s a multi-channel optical reception module. The module comprises; a bench; a first substrate which is arranged on one side of the bench and has grooves; optical fibers which are arranged inside the grooves of the first substrate and transfer an optical signal; a first lens which is arranged on the first substrate and collimates the optical signal; a second substrate which is separated from the first substrate and is arranged on the other side of the bench; an optical reception element which is arranged on the second substrate and receives the optical signal; a second lens which concentrates the optical signal on the optical reception element on the optical reception element; a mirror which reflects the optical signal between the first and second lenses; and a block which fixates the mirror to be tilted from a sidewall of the first substrate to the second substrate and has a penetration hole which transfers the optical signal between the first and second lenses without refraction.
Abstract translation: 公开了一种多通道光接收模块。 该模块包括： 长凳 第一基板，其布置在台架的一侧并具有凹槽; 光纤布置在第一基板的凹槽内并传送光信号; 布置在第一基板上并准直光信号的第一透镜; 第二基板，其与所述第一基板分离并且布置在所述台架的另一侧; 光接收元件，被布置在第二基板上并接收光信号; 第二透镜，其将光信号集中在光接收元件上的光接收元件上; 反射第一和第二透镜之间的光信号的反射镜; 以及将镜子从第一基板的侧壁倾斜固定到第二基板的块，并且具有在第一和第二透镜之间不折射地传递光信号的穿透孔。
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公开(公告)号：KR1020140104801A
公开(公告)日：2014-08-29
申请号：KR1020130018754
申请日：2013-02-21
Applicant: 한국전자통신연구원
IPC: H04B10/572 , H04J14/02
CPC classification number: H04J14/0221 , H04B10/506 , H04B10/564
Abstract: According to an embodiment of the present invention, a wavelength division multiplexing (WDM) optical transmitter includes first to n^th optical transmitters which output first to n^th optical signals having different wavelengths; a wavelength multiplexer which generates an output optical signal by multiplexing the first to n^th optical signals; a tap coupler which receives the output optical signal, and which generates an optical signal for control based on a part of the output optical signal; a light receiving device for control which receives the optical signal for control, and which outputs an optical current based on the optical signal for control; and a controller which separately controls the first to n^th optical transmitters based on the optical current, wherein the controller includes a look-up table, sequentially detects driving conditions of the first to n^th optical transmitters, and stores the detected driving conditions in the look-up table.
Abstract translation: 根据本发明的一个实施例，波分多路复用（WDM）光发射机包括第一至第n个光发射机，其输出具有不同波长的第一至第n个光信号; 波长多路复用器，通过多路复用第一至第n个光信号来产生输出光信号; 接收输出光信号并根据输出光信号的一部分产生用于控制的光信号的抽头耦合器; 用于控制的光接收装置，其接收用于控制的光信号，并且基于用于控制的光信号输出光电流; 以及控制器，其基于所述光电流分别控制所述第一至第n光发射机，其中所述控制器包括查找表，顺序地检测所述第一至第n光发射机的驱动条件，并存储所检测的驾驶条件 在查表中。
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公开(公告)号：KR1020130120266A
公开(公告)日：2013-11-04
申请号：KR1020120043378
申请日：2012-04-25
Applicant: 한국전자통신연구원
IPC: H01S5/12
CPC classification number: H01S5/22 , B82Y20/00 , H01S5/1039 , H01S5/1225 , H01S5/1243 , H01S5/2213 , H01S5/222 , H01S5/2231 , H01S5/3213 , H01S5/34306
Abstract: The present invention suggests a distributed feedback laser diode. The laser diode of the present invention includes: a substrate; a lower clad layer having a diffraction grid on the substrate; an active layer arranged on the lower clad layer; a first upper clad layer arranged on the active layer; a phase shift region arranged on the first upper clad layer in a first direction; and a ridge waveguide layer arranged on the phase shift region in a second direction crossing the first direction.
Abstract translation: 本发明提出一种分布式反馈激光二极管。 本发明的激光二极管包括：基板; 在所述基板上具有衍射栅格的下包层; 布置在下包层上的有源层; 布置在有源层上的第一上包层; 在第一方向上布置在第一上包层上的相移区域; 以及在与所述第一方向交叉的第二方向上配置在所述相移区域上的脊状波导层。
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公开(公告)号：KR1020130072697A
公开(公告)日：2013-07-02
申请号：KR1020110140235
申请日：2011-12-22
Applicant: 한국전자통신연구원
CPC classification number: H01S3/10 , H01S3/1065 , H01S5/02216 , H01S5/02284 , H01S5/0287 , H01S5/0625 , H01S5/101 , H01S5/142
Abstract: PURPOSE: An external cavity tunable laser module is provided to be able to minutely tune the wavelength of each channel by tuning the wavelength of channels with a specific wavelength gap, and to supply a wide tunable wavelength domain with low power. CONSTITUTION: An external cavity tunable laser module comprises a mirror surface (110), a transmission type liquid crystal filter (120), and a light source chip (140). The mirror surface is formed on a substrate and reflects the laser coming from outside. The transmission type liquid crystal filter is formed on the rear end of the mirror surface, and selects and tunes the laser wavelength reflected by the mirror surface. The light source chip is formed on the rear end of the transmission type liquid crystal filter, reflects the laser passing through the transmission type liquid crystal filter at a specific wavelength gap to form plural channels, and tunes the wavelength of each channel.
Abstract translation: 目的：提供外部可调谐激光器模块，通过调谐具有特定波长间隙的通道波长，能够精细调整每个通道的波长，并提供具有低功耗的宽可调波长域。 构成：外部可调谐激光器模块包括镜面（110），透射型液晶滤光器（120）和光源芯片（140）。 镜面形成在基板上并反射来自外部的激光。 透镜型液晶滤光器形成在镜面的后端，并选择并调谐由镜面反射的激光波长。 光源芯片形成在透射型液晶滤光器的后端，反射通过透射型液晶滤光器的激光器以特定的波长间隙形成多个通道，并调谐每个通道的波长。
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公开(公告)号：KR1020130071747A
公开(公告)日：2013-07-01
申请号：KR1020110139138
申请日：2011-12-21
Applicant: 한국전자통신연구원
IPC: G02B6/42
CPC classification number: G02B6/43 , G02B6/12004 , G02B6/1228 , G02B6/4224 , G02B6/4232
Abstract: PURPOSE: A hybrid-integrated optical waveguide platform with an optical transmission device and an optical active device and a fabrication method thereof are provided to bond a monitoring photodiode to an over-cladding layer of a planar lightwave circuit (PLC) via flip-chip bonding, of which a spot size is increased by reducing the line width of a core layer of an optical waveguide, thereby monitoring output light including an optical coupling loss that occurs during the flip-chip bonding. CONSTITUTION: The optical waveguide platform (10) with hybrid-integrated an optical transmission device (30) and an optical active device comprises an optical waveguide region (20) formed by stacking an under-cladding layer (101), a core layer (102) and an over-cladding layer on a substrate (100); a trench (400) region formed by etching a portion of the optical waveguide region; and a spot expanding region formed on the core layer in the optical waveguide region. The optical transmitter device is mounted in the trench region and the optical active device is flip-bonded to the spot expanding region. A monitoring photodiode (40) is flip-chip bonded to the spot expanding region of the core layer of an optical waveguide.
Abstract translation: 目的：提供一种具有光传输器件和光学有源器件及其制造方法的混合集成光波导平台，其通过倒装芯片接合将监控光电二极管耦合到平面光波电路（PLC）的上敷层 ，其中通过减小光波导的芯层的线宽来增加光点尺寸，从而监视包括在倒装芯片接合期间发生的光耦合损耗的输出光。 构成：具有混合集成光传输装置（30）和光学有源装置的光波导平台（10）包括通过堆叠下包层（101），芯层（102） ）和衬底（100）上的上覆层; 通过蚀刻所述光波导区域的一部分形成的沟槽（400）区域; 以及形成在光波导区域的芯层上的点扩展区域。 光发射器装置安装在沟槽区域中，并且光学有源器件被翻转接合到点扩展区域。 监视光电二极管（40）被倒装芯片接合到光波导的芯层的点扩展区域。
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Patent Agency Ranking
公开(公告)号：KR101208673B1
公开(公告)日：2012-12-06
申请号：KR1020090098292
申请日：2009-10-15
Applicant: 한국전자통신연구원
IPC: H01L21/20
Abstract: 본발명은스트레인이걸리는응력층(strained layer)을격자형태로패터닝한후 상기패터닝된응력층을자발형성양자점을형성하기위한시드(seed)로이용하여자발형성양자점들이상기패터닝된응력층에수직정렬되어성장되도록한 것을특징으로한다. 따라서, 본발명에따르면높은균일도와밀도를갖는양자점을형성할수 있으며, 패터닝되는응력층의크기및 밀도를조절하여양자점의크기및 밀도를간단하고용이하게제어할수 있다.
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公开(公告)号：KR1020120038766A
公开(公告)日：2012-04-24
申请号：KR1020100100401
申请日：2010-10-14
Applicant: 한국전자통신연구원
CPC classification number: H01S5/142 , B82Y20/00 , H01S5/026 , H01S5/028 , H01S5/1212 , H01S5/1215 , H01S5/125 , H01S5/22 , H01S5/34306
Abstract: PURPOSE: An apparatus for generating wavelength tunable external cavity laser is provided to increase the degree of integration by integrating an optical amplifier, a comb shaped reflector, an optical modulator on a single substrate into a successive waveguide. CONSTITUTION: An optical amplifier(130), a comb shaped reflector(140), and an optical signal processor(150) are offered to a first substrate. An external wavelength tunable reflector(220) connected to the optical amplifier is offered to a second substrate contiguous to the first substrate. The comb shaped reflector includes a wave guide offered to the first substrate and a first diffraction lattice offered to one end of the wave guide which is contiguous to the optical amplifier. The comb shaped reflector includes a second diffraction grating offered to the other end of the wave guide which is contiguous to the optical signal processor The optical amplifier, the comb shaped reflector, and the optical signal processor constitute a successive wave guide.
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，以通过将单个基板上的光放大器，梳状反射器，光调制器集成到连续波导中来增加积分度。 构成：向第一基板提供光放大器（130），梳形反射器（140）和光信号处理器（150）。 连接到光放大器的外部波长可调谐反射器（220）被提供给与第一基板邻接的第二基板。 梳状反射器包括提供给第一基底的波导和提供给与光学放大器相邻的波导的一端的第一衍射格。 梳状反射器包括提供给波导的另一端的第二衍射光栅，其与光信号处理器相邻。光放大器，梳形反射器和光信号处理器构成连续的波导。
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公开(公告)号：KR1020100072609A
公开(公告)日：2010-07-01
申请号：KR1020080131060
申请日：2008-12-22
Applicant: 한국전자통신연구원
IPC: H01L21/31 , H01L21/324
CPC classification number: H01L21/2007 , H01L21/76251
Abstract: PURPOSE: A manufacturing method of a semiconductor device is provided to improve reliability through controlling thickness of an upper layer by forming an insulating layer without the loss of the thickness of an upper layer by using an inhibiting oxidation layer. CONSTITUTION: A first and second layers(110,130) are formed on the top of a substrate. An ion implantation layer(120) is formed between the first and second layers. An inhibiting oxidation layer(150) is formed on the second layer. By performing an annealing process, the loss of the second layer is controlled with the oxidation stop layer. An insulating layer is formed between the first and second layers. The oxidation stop layer comprises a poly-silicon or a crystalline silicon.
Abstract translation: 目的：提供半导体器件的制造方法，通过使用抑制氧化层，通过形成绝缘层而不损失上层的厚度来控制上层的厚度来提高可靠性。 构成：在衬底的顶部上形成第一和第二层（110,130）。 在第一和第二层之间形成离子注入层（120）。 在第二层上形成抑制氧化层（150）。 通过进行退火处理，用氧化停止层控制第二层的损失。 在第一和第二层之间形成绝缘层。 氧化停止层包括多晶硅或结晶硅。
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公开(公告)号：KR1020100072536A
公开(公告)日：2010-07-01
申请号：KR1020080130968
申请日：2008-12-22
Applicant: 한국전자통신연구원
IPC: G02B6/12 , H04B10/291
Abstract: PURPOSE: An optical amplifier is provided to remove a multimode while being used for an existing device manufacturing method. CONSTITUTION: A passive waveguide area(341) receives an incident optical signal. An active waveguide area(342) is welded to a passive waveguide area and modulates the inputted optical signal. The passive waveguide area has at least one multimode interferometer(346).
Abstract translation: 目的：提供一种用于在现有器件制造方法中使用的多模光纤放大器。 构成：无源波导区域（341）接收入射光信号。 有源波导区域（342）焊接到无源波导区域并调制输入的光信号。 无源波导区域具有至少一个多模干涉仪（346）。
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公开(公告)号：KR100937589B1
公开(公告)日：2010-01-20
申请号：KR1020070113130
申请日：2007-11-07
Applicant: 한국전자통신연구원
IPC: H01S3/0941 , B82Y40/00
CPC classification number: G02B6/12004 , G02B2006/12121 , G02B2006/12152 , H01S5/021 , H01S5/0215 , H01S5/0218 , H01S5/026 , H01S5/1014 , H01S5/1032 , H01S5/32316 , H01S5/32333
Abstract: 실리콘층 및 화합물 반도체층을 각각 슬랩 도파로 및 채널 도파로로 이용하는 하이브리드 레이저 다이오드가 제공된다. 본 발명에 따른 하이브리드 레이저 다이오드는 도파 모드의 손실, 누설 전류 및 직렬 저항을 줄일 수 있으며, 개선된 열 방출 특성을 갖는다. 특히, 본 발명에 따르면, 활성영역 및 도파로가 분명하게 정의될 수 있다.
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