公开(公告)号：US11378747B2

公开(公告)日：2022-07-05

申请号：US16919867

申请日：2020-07-02

Applicant: GLOBALFOUNDRIES U.S. INC.

Inventor： Yusheng Bian ,  Won Suk Lee ,  Abdelsalam A. Aboketaf

IPC: G02B6/293 ,  G02B6/26 ,  G02B6/122 ,  G02B6/12

Abstract: The present disclosure relates to semiconductor structures and, more particularly, to waveguide attenuators and methods of manufacture. The structure includes: a main bus waveguide structure; a first hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a first geometry of material; and a second hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a second geometry of the material.

公开(公告)号：US11353651B2

公开(公告)日：2022-06-07

申请号：US17087182

申请日：2020-11-02

Applicant: GLOBALFOUNDRIES U.S. Inc.

Inventor： Abdelsalam A. Aboketaf ,  Won Suk Lee ,  Yusheng Bian

IPC: G02B6/24 ,  G02B6/028 ,  G02B6/122 ,  G02B6/12

Abstract: The present disclosure relates to semiconductor structures and, more particularly, to multi-mode optical waveguide structures with isolated absorbers and methods of manufacture. The structure includes: a waveguide structure including tapered segments; and at least one isolated waveguide absorber adjacent to the waveguide structure along its length.

公开(公告)号：US11693184B2

公开(公告)日：2023-07-04

申请号：US17749487

申请日：2022-05-20

Applicant: GLOBALFOUNDRIES U.S. INC.

Inventor： Yusheng Bian ,  Won Suk Lee ,  Abdelsalam A. Aboketaf

IPC: G02B6/26 ,  G02B6/122 ,  G02B6/293 ,  G02B6/12

CPC classification number: G02B6/26 ,  G02B6/1228 ,  G02B6/266 ,  G02B6/29331 ,  G02B2006/12126

Abstract: The present disclosure relates to semiconductor structures and, more particularly, to waveguide attenuators and methods of manufacture. The structure includes: a main bus waveguide structure; a first hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a first geometry of material; and a second hybrid waveguide structure evanescently coupled to the main bus waveguide structure and comprising a second geometry of the material.