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:
Jul. 29, 2025
Filed:
Apr. 28, 2023
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Ercan M. Dede, Ann Arbor, MI (US);
Sean P. Rodrigues, Ann Arbor, MI (US);
Jiahui Wang, Redwood City, CA (US);
Shanhui Fan, Stanford, CA (US);
Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US);
Abstract
A dual ring resonator including a base substrate, and a silicon oxide layer positioned on the base substrate having a first waveguide, a primary ring resonator optically coupled to the first waveguide, a second waveguide, and a secondary ring resonator optically coupled to the primary ring resonator and the second waveguide. The dual ring resonator further includes at least one heater disposed partially on the primary ring resonator, and a trench within at least the silicon oxide layer and surrounding at least a portion of the first waveguide and the second waveguide.