Global Foundries has been granted a patent for an optical waveguide design that includes a waveguide core surrounded by a stack of cladding material layers. The unique configuration allows for tailored field confinement and reshaping of the optical mode, with various embodiments offering flexibility in design. GlobalData’s report on Global Foundries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
Smarter leaders trust GlobalData
According to GlobalData’s company profile on Global Foundries, Quantum dot devices was a key innovation area identified from patents. Global Foundries's grant share as of April 2024 was 82%. Grant share is based on the ratio of number of grants to total number of patents.
Optical waveguide structure with tailored field confinement and reshaping
A recently granted patent (Publication Number: US11971572B2) discloses a novel structure for waveguides, comprising a waveguide core and a stack of cladding material layers positioned laterally adjacent to a sidewall of the core. The stack includes at least two cladding layers with different refractive indices, ensuring efficient light propagation. Additionally, the waveguide core's bottom surface aligns with the cladding material layers, enhancing optical performance. The structure allows for variations such as symmetric or asymmetric stacking configurations, catering to different design requirements.
Furthermore, the patent details a method for forming the waveguide structure, emphasizing the precise alignment and composition of the cladding material layers to achieve optimal refractive index differences. By ensuring that the cladding layers have smaller refractive indices than the core, the method establishes an efficient optical mode for light transmission. The method also highlights the flexibility in core material selection, including silicon nitride and silicon, offering versatility in waveguide design. Overall, this patented technology presents a sophisticated approach to enhancing waveguide performance through innovative structural configurations and precise manufacturing methods.
To know more about GlobalData’s detailed insights on Global Foundries, buy the report here.
Data Insights
From
The gold standard of business intelligence.
Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.
GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
