公开(公告)号：US10557989B1

公开(公告)日：2020-02-11

申请号：US16194902

申请日：2018-11-19

Applicant: GLOBALFOUNDRIES INC.

Inventor： Ajey Poovannummoottil Jacob ,  Marcus V. S. Dahlem ,  Humaira Zafar ,  Anatol Khilo ,  Sujith Chandran

IPC: G02B6/10

Abstract: The present disclosure relates to semiconductor structures and, more particularly, to a slot assisted grating based transverse magnetic (TM) pass polarizer and methods of manufacture. The structure includes: a waveguide strip composed of a first type of material and having openings along its length which are positioned to reflect/scatter a propagating electromagnetic waves; and grating fin structures on one or both sides of the waveguide strip which are positioned and structured to reflect/scatter the propagating electromagnetic waves.