Patents by Inventor Marcus V. S. Dahlem

Marcus V. S. Dahlem has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Waveguide structures
    Patent number: 11061186
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to rib waveguide structures and methods of manufacture. The structure includes: a waveguide structure comprising one or more bends, an input end and an output end; and grating structures which are positioned adjacent to the one or more bends of the waveguide structure.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: July 13, 2021
    Assignees: GLOBALFOUNDRIES U.S. INC., KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Ajey Poovannummoottil Jacob, Marcus V. S. Dahlem, Humaira Zafar, Anatol Khilo, Sujith Chandran
  • WAVEGUIDE STRUCTURES
    Publication number: 20200166702
    Abstract: The present disclosure relates to semiconductor structures and, more particularly, to rib waveguide structures and methods of manufacture. The structure includes: a waveguide structure comprising one or more bends, an input end and an output end; and grating structures which are positioned adjacent to the one or more bends of the waveguide structure.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 28, 2020
    Inventors: Ajey Poovannummoottil JACOB, Marcus V. S. DAHLEM, Humaira ZAFAR, Anatol KHILO, Sujith CHANDRAN
  • Slot assisted grating based transverse magnetic (TM) transmission mode pass polarizer
    Patent number: 10557989
    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.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: February 11, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ajey Poovannummoottil Jacob, Marcus V. S. Dahlem, Humaira Zafar, Anatol Khilo, Sujith Chandran