公开(公告)号：US20220137290A1

公开(公告)日：2022-05-05

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: G02B6/028 ,  G02B6/122

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：US20220283375A1

公开(公告)日：2022-09-08

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

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：US20220003931A1

公开(公告)日：2022-01-06

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: G02B6/26

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.