公开(公告)号：US20220236618A1

公开(公告)日：2022-07-28

申请号：US17519424

申请日：2021-11-04

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Young-Tak HAN ,  Seoktae KIM ,  Sang Ho PARK ,  Yongsoon BAEK ,  Jang Uk SHIN ,  Seok Jun YUN ,  Seo Young LEE

IPC: G02F1/21 ,  G02F1/225

Abstract: Disclosed are a heterogeneously integrated optical modulator and a manufacturing method thereof. The modulator includes a substrate having a trench, an input waveguide disposed at one side of the trench, an output waveguide disposed at the other side of the trench, a first Mach-Zehnder interferometer including first branch waveguides disposed between the input waveguide and the output waveguide and a heater disposed on one of the first branch waveguides, and second Mach-Zehnder interferometers connected to each of the first branch waveguides.

公开(公告)号：US20180143463A1

公开(公告)日：2018-05-24

申请号：US15596566

申请日：2017-05-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Young-Tak HAN ,  Sang Ho PARK ,  Yongsoon BAEK ,  Jang Uk SHIN ,  Dong Hyo LEE ,  Dong-Hun LEE

IPC: G02F1/025 ,  H01L23/00

CPC classification number: G02F1/025 ,  G02F2001/0157 ,  G02F2201/58 ,  H01L24/49 ,  H01L2224/4912

Abstract: Provided is an optical transmitter module. The optical transmitter module includes a substrate, a ground layer disposed on the substrate, an electro-absorption modulated laser (EML) chip disposed on the ground layer to generate an modulated optical signal, a ground structure disposed on the EML chip and electrically connected to the ground layer, a matching resistor disposed on the ground structure, and a first bonding wire disposed between the EML chip and the matching resistor to electrically connect the EML chip to the matching resistor.

公开(公告)号：US20150110144A1

公开(公告)日：2015-04-23

申请号：US14570975

申请日：2014-12-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Oh Kee KWON ,  Su Hwan OH ,  Young Ahn LEEM ,  O-Kyun KWON ,  Young-Tak HAN ,  Yongsoon BAEK ,  Yun C. CHUNG

IPC: H01S5/22

CPC classification number: H01S5/22 ,  B82Y20/00 ,  H01S5/1039 ,  H01S5/1225 ,  H01S5/1243 ,  H01S5/2213 ,  H01S5/222 ,  H01S5/2231 ,  H01S5/3213 ,  H01S5/34306

Abstract: A distributed feedback-laser diode may include a substrate, a lower cladding layer having a grating on the substrate, an active layer disposed on the lower cladding layer, a first upper cladding layer disposed on the active layer, a phase-shift region extending in a first direction on the first upper cladding layer, and a ridge waveguide layer extending in a second direction crossing the first direction on the phase-shift region.

Abstract translation: 分布式反馈激光二极管可以包括基板，在基板上具有光栅的下包层，设置在下包层上的有源层，设置在有源层上的第一上包层， 第一上包层上的第一方向，以及在相移区域上与第一方向交叉的第二方向延伸的脊波导层。

公开(公告)号：US20140328595A1

公开(公告)日：2014-11-06

申请号：US14175225

申请日：2014-02-07

Applicant: Phovel.co.LTD ,  Electronics and Telecommunications Research Institute

Inventor： Young-Tak HAN ,  Jang Uk SHIN ,  Sang Ho PARK ,  Yongsoon BAEK ,  Jeong Soo KIM

IPC: H04B10/2575

CPC classification number: H04B10/2575 ,  H01L24/48 ,  H01L24/49 ,  H01L2224/48137 ,  H01L2924/00014 ,  H01L2924/19107 ,  H01S5/02212 ,  H01S5/02236 ,  H01S5/02244 ,  H01S5/02256 ,  H01S5/02276 ,  H01S5/02415 ,  H01S5/02453 ,  H01S5/0427 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

Abstract: Provided is a transistor outline (TO)-CAN type optical module and an optical transmission apparatus including the same. The optical module includes a stem, a thermo-electric cooler (TEC) on the stem, a first sub-mount on the TEC, an optical element on the first sub-mount, a plurality of electrode lead wirings inserted from an outside to an inside of the stem and disposed adjacent to the TEC and the optical element, a second sub-mount between the electrode lead wirings and the optical element, radio frequency (RF) transmission lines on the second sub-mount, a plurality of bonding wires connecting the RF transmission lines and the optical element, and the RF transmission lines and the electrode lead wirings, and an impedance matching unit disposed around the RF transmission lines and the electrode lead wirings, and controlling impedances of the RF transmission lines and the electrode lead wires.

Abstract translation: 提供了一种晶体管轮廓（TO）-CAN型光学模块和包括其的光学传输装置。 所述光学模块包括杆，所述杆上的热电冷却器（TEC），所述TEC上的第一子安装件，所述第一子安装座上的光学元件，从外部插入的多个电极引线布线 在所述杆的内部并且邻近所述TEC和所述光学元件设置在所述电极引线配线和所述光学元件之间的第二子安装件，所述第二子安装座上的射频（RF）传输线，多个连接 RF传输线和光学元件以及RF传输线和电极引线配线以及设置在RF传输线和电极引线配线周围的阻抗匹配单元，以及控制RF传输线和电极引线的阻抗 。