Taiwan Semiconductor Manufacturing Comp. Ltd.

Ming Lee

Hsing-Kuo Hsia

Wei-Heng Lin

Tien-Lin Shen

An embodiment photonic device may include a first terminal including silicon and a second terminal including polysilicon. The first terminal may be configured as a first three-dimensional structure extending along a first direction and having a first U-shaped portion in a first cross-sectional plane perpendicular to the first direction. Similarly, the second terminal may be configured as a second three-dimensional structure extending along the first direction and having a second U-shaped portion in the first cross-sectional plane. The photonic device may further include a capacitor dielectric layer disposed between the first terminal and the second terminal and a cladding dielectric layer surrounding the first terminal and the second terminal. The first U-shaped portion and the second U-shaped portion may be arranged in an interlocking configuration having an overlapping region that is configured as an optical transmission line in which the first direction is an optical propagation direction.

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Taipei, Taiwan

Ming Lee