Duane Morris LLP
Folded waveguide phase shifters
In an embodiment, a phase shifter includes: a light input end; a light output end; a p-type semiconductor material, and an n-type semiconductor material contacting the p-type semiconductor material along a boundary area, wherein the boundary area is greater than a length from the light input end to the light output end multiplied by a core width of the phase shifter.
Taiwan Semiconductor Manufacturing Co., Ltd.
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Lan-Chou Chewn-Pu Huan-Neng Feng-Wei
Cho Jou Chen Kuo