公开(公告)号：US20140042581A1

公开(公告)日：2014-02-13

申请号：US13689163

申请日：2012-11-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH IN

Inventor： Bongki MHEEN ,  MyoungSook Oh ,  Kisoo Kim ,  Jae-Sik Sim ,  Yong-Hwan Kwon ,  Eun Soo Nam

IPC: H01L31/02 ,  H01L31/18

CPC classification number: H01L31/18 ,  H01L31/02002 ,  H01L31/035272 ,  H01L31/107

Abstract: Disclosed are an avalanche photodiode with a guard ring structure that relieves edge breakdown by an external voltage which is applied through a metal pad which is attached to the guard ring and a manufacturing method thereof. An avalanche photodiode with a guard ring structure includes a plurality of semiconductor layers laminated on a substrate; an active region partially formed above the semiconductor layers; a guard ring which is formed above the semiconductor layers and disposed so as to be spaced apart from the active region and have a ring shape that encloses the active region; and a connecting unit formed on the semiconductor layers to be electrically connected to the guard ring so as to apply an external voltage to the guard ring region. Therefore, the external voltage is applied to the guard ring of the avalanche diode through the connecting unit to relieve the edge breakdown.

Abstract translation: 本发明公开了一种具有保护环结构的雪崩光电二极管及其制造方法，所述雪崩光电二极管通过外部电压消除边缘击穿，所述外部电压通过附着于保护环的金属焊盘而施加。 具有保护环结构的雪崩光电二极管包括层叠在基板上的多个半导体层; 部分地形成在半导体层之上的有源区; 保护环，其形成在半导体层上方并且被设置成与有源区间隔开并且具有包围有源区的环形形状; 以及连接单元，其形成在所述半导体层上以与所述保护环电连接，以将外部电压施加到所述保护环区域。 因此，通过连接单元将外部电压施加到雪崩二极管的保护环，以缓解边缘故障。

公开(公告)号：US20130156424A1

公开(公告)日：2013-06-20

申请号：US13687741

申请日：2012-11-28

Applicant: Electronics and Telecommunications Research In

Inventor： Chun Ju YOUN ,  Joong-Seon Choe ,  Jong-Hoi Kim ,  Duk Jun Kim ,  Yong-Hwan Kwon ,  Eun Soo Nam

IPC: H04B10/08

CPC classification number: H04B10/614 ,  H04B10/0799

Abstract: An apparatus for measuring performance of a coherent optical receiver includes a beam splitter splitting light into first and second paths, a first optical modulator modulating the first path light, a variable optical attenuator controlling an optical power of the first optical modulator, a first polarization controller transmitting a signal controlling polarization of an output of the variable optical attenuator to the coherent optical receiver, a second optical modulator modulating the second path light, a variable optical delay line delaying time of an output of the second optical modulator, a second polarization controller transmitting a signal controlling polarization of an output of the variable optical delay line to the coherent optical receiver, a network analyzer measuring performance of the coherent optical receiver and controlling the optical modulators, and a controller transmitting a control signal to the optical modulators.

Abstract translation: 一种用于测量相干光接收机的性能的装置，包括将光分成第一和第二路径的光束分离器，调制第一路径光的第一光调制器，控制第一光调制器的光功率的可变光衰减器，第一偏振控制器 将所述可变光衰减器的输出的偏振信号控制到所述相干光接收器，调制所述第二路径光的第二光调制器，所述第二光调制器的输出的可变光延迟线延迟时间，第二偏振控制器发送 控制可变光延迟线到相干光接收机的输出的偏振的信号，测量相干光接收机的性能并控制光调制器的网络分析仪，以及向光调制器发送控制信号的控制器。