US Patent 11385408 Stacked-waveguide polarizers with conductive oxide strips
Patent 11385408 was granted and assigned to GlobalFoundries on July, 2022 by the United States Patent and Trademark Office.
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Won Suk Lee0
Yusheng Bian0
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US Patent 11385408 Stacked-waveguide polarizers with conductive oxide strips
Article
Structures for a polarizer and methods of forming a structure for a polarizer. A polarizer includes a first waveguide core and a layer that is positioned adjacent to a side surface of the first waveguide core. The layer is composed of a first material having a permittivity with an imaginary part that ranges from 0 to about 15. A second waveguide core is positioned over the first waveguide core. The second waveguide core is composed of a second material that is different in composition from the first material.
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Patent number
11385408
Date of patent
July 12, 2022
Patent application number
16849355
Date Filed
April 15, 2020
Patent citations
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