公开(公告)号：US20150253582A1

公开(公告)日：2015-09-10

申请号：US14617238

申请日：2015-02-09

Applicant: Fujitsu Optical Components Limited

Inventor： Seimi SASAKI ,  Kohei SHIBATA ,  Teruhiro KUBO ,  Shinji MARUYAMA ,  Shintaro TAKEUCHI ,  Hiroshi KATO ,  Takehito TANAKA

IPC: G02B27/28 ,  G02F1/025

CPC classification number: G02B27/283 ,  G02B7/1805 ,  G02B27/286 ,  G02F1/025

Abstract: A polarization combiner includes: a base member that includes a body portion, an arm portion extending from the body portion, and a notch portion surrounded with the body portion and the arm portion; a polarization rotating element that is fixed to the arm portion of the base member and that rotates a polarization direction of a first polarized wave; and a polarization combining element that is fixed to the base member so as to face the notch portion of the base member and the polarization rotating element, the polarization combining element combining two polarized waves entering from a surface facing the notch portion and the polarization rotating element, the two polarized waves including the first polarized wave whose polarization direction is rotated by the polarization rotating element and a second polarized wave passing the notch portion.

Abstract translation: 偏振组合器包括：基部构件，其包括主体部分，从主体部分延伸的臂部分和由主体部分和臂部分围绕的切口部分; 偏振旋转元件，其固定到所述基座的臂部，并且旋转第一偏振波的偏振方向; 以及偏振组合元件，其固定到所述基底构件以面对所述基底构件和所述偏振旋转元件的所述切口部分，所述偏振组合元件组合从面向所述切口部分的表面进入的两个偏振波和所述偏振旋转元件 包括偏振方向由偏振旋转元件旋转的第一偏振波和通过切口部的第二偏振波的两个偏振波。

公开(公告)号：US20200286874A1

公开(公告)日：2020-09-10

申请号：US16806256

申请日：2020-03-02

Applicant: FUJITSU OPTICAL COMPONENTS LIMITED

Inventor： Kento TAKAHASHI ,  Teruhiro KUBO ,  Hiroshi KOBAYASHI

IPC: H01L25/16 ,  H01L23/00 ,  H01L23/31 ,  H01L23/498 ,  H01L23/66 ,  H01P3/00 ,  H01P11/00 ,  H01L21/48 ,  H01L21/56

Abstract: An optical module includes an optical semiconductor chip including a first electrode pad, a second electrode pad, and a third electrode pad arranged between the first electrode pad and the second electrode pad, a wiring substrate on which the optical semiconductor chip is flip-chip mounted, including a fourth electrode pad, a fifth electrode pad, and a sixth electrode pad arranged between the fourth electrode pad and the fifth electrode pad, a first conductive material connecting the first electrode pad with the fourth electrode pad, a second conductive material connecting the second electrode pad with the fifth electrode pad, a third conductive material arranged between the first conductive material and the second conductive material, connecting the third electrode pad with the sixth electrode pad, and a resin provided in an area on the second conductive material side of the third conductive material between the optical semiconductor chip and the wiring substrate.

公开(公告)号：US20200174205A1

公开(公告)日：2020-06-04

申请号：US16695720

申请日：2019-11-26

Applicant: FUJITSU LIMITED ,  Fujitsu Optical Components Limited

Inventor： Teruhiro KUBO ,  Kohei SHIBATA ,  Hiroshi KOBAYASHI ,  Naoki ISHIKAWA

IPC: G02B6/42 ,  H01L23/13 ,  H01L23/498 ,  H01L23/367 ,  H01L23/00 ,  H05K1/18 ,  H05K1/11 ,  H05K5/06 ,  H05K5/02 ,  H05K5/00

Abstract: An optical component configured to be mounted on a circuit board has a casing made of a ceramic electrical insulator and having a cavity, a photonic circuit device provided in the cavity, a lid configured to cover the cavity, and protruding electrodes provided along an outer periphery of the cavity of the casing, wherein a first linear expansion coefficient of the casing is smaller than a second linear expansion coefficient of the circuit board, and a third linear expansion coefficient of the lid is greater than the second linear expansion coefficient of the circuit board.

公开(公告)号：US20150253521A1

公开(公告)日：2015-09-10

申请号：US14629899

申请日：2015-02-24

Applicant: Fujitsu Optical Components Limited

Inventor： Shinji MARUYAMA ,  Seimi SASAKI ,  Kohei SHIBATA ,  Teruhiro KUBO ,  Shintaro TAKEUCHI ,  Hiroshi KATO ,  Takehito TANAKA

IPC: G02B6/42

CPC classification number: G02B6/4244 ,  G02F1/225 ,  G02F2201/18 ,  G02F2201/58 ,  G02F2203/28

Abstract: An optical transmitting apparatus includes: a substrate; optical modulators that are arranged in parallel to one another on the substrate and modulate light; waveguides that are formed on the substrate and guide signal light represented by at least one of modulated light beams obtained by the light being modulated by the plurality of optical modulators and monitor light represented by at least another one of the modulated light beams other than the signal light; lenses that collimate the signal light and the monitor light emitted from the waveguides; and a holding member that causes the signal light and the monitor light to be emitted from the lenses in mutually-different directions, by holding the lenses in such a manner that the optical axis of at least one of the lenses is out of alignment in a predetermined direction with the optical axis of at least one of the waveguides.

Abstract translation: 光发送装置包括：基板; 在衬底上彼此平行布置并调制光的光学调制器; 形成在基板上的波导，并且引导由由多个光调制器调制的光获得的调制光束中的至少一个所表示的信号光，并且监视由除信号之外的至少另一个调制光束表示的光 光; 准直信号光和从波导发射的监视光的透镜; 以及保持构件，其通过以这样的方式保持透镜来使信号光和监视光从透镜发射在相互不同的方向上，使得至少一个透镜的光轴在 预定方向与至少一个波导的光轴。