The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2023
Filed:
Dec. 11, 2020
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Michal Rakowski, Ballston Lake, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Won Suk Lee, Malta, NY (US);
Roderick A. Augur, Saratoga Springs, NY (US);
GLOBALFOUNDRIES U.S. Inc., Santa Clara, CA (US);
Abstract
Embodiments of the disclosure provide an optical ring modulator. The optical ring modulator includes waveguide with a first semiconductor material of a first doping type, and a second semiconductor material having a second doping type adjacent the first semiconductor material. A P-N junction is between the first semiconductor material and the second semiconductor material. A plurality of photonic crystal layers, each embedded within the first semiconductor material or the second semiconductor material, has an upper surface that is substantially coplanar with an upper surface of the waveguide structure.