Park, Vaughan, Fleming & Dowler LLP
Tunable silicon grating couplers
A photonic integrated circuit (PIC) is described. This PIC includes a grating coupler for surface-normal coupling that has an alternating pattern of grating teeth and grating trenches, where the grating trenches are filled with an electro-optical material. By applying an electric potential to the grating teeth, the index of refraction of the electro-optical material can be modified.
ORACLE INTERNATIONAL CORPORATION
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Guoliang John E. Ying L. Xuezhe Ashok V. Jin
Li Cunningham Luo Zheng Krishnamoorthy Yao