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MULTI-CORE SILICON WAVEGUIDE IN A MODE-CONVERTING SILICON PHOTONIC EDGE COUPLER
MULTI-CORE SILICON WAVEGUIDE IN A MODE-CONVERTING SILICON PHOTONIC EDGE COUPLER
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机译:模转换硅光子边缘耦合器中的多核硅波导
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摘要
A mode-converting optical coupler may include a secondary waveguide to guide light in one or more secondary optical modes, and a primary waveguide to guide light in one or more primary optical modes, each adiabatically coupled to a secondary optical mode of the secondary waveguide having a secondary mode index. Each primary optical mode of the primary waveguide may have a first primary mode index near a first end and a second primary mode index near a second end. The first primary mode index may be lower than the second primary mode index. The secondary mode index may be between the first primary mode index and the second primary mode index. The primary waveguide may include a plurality of silicon core structures including a central core structure arranged between a first neighboring core structure and a second neighboring core structure.
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