Integrated photonics for defect-based quantum networks

Color centers in diamond are optically active spin defects embedded in a diamond host crystal. Their long spin coherences and strong interactions with light make them among the most promising qubit platforms for the realization of long-range quantum networks. However, in order to realize such applications, color centers must be integrated with photonic structures such as cavities and waveguides.

Gallium phosphide (GaP) is a promising nonlinear optical material and is one of the only known materials which can be used for visible-wavelength integrated devices on diamond due to its large bandgap and refractive index. My current research is focused on the modeling, design, and realization of hybrid-integrated GaP-on-diamond photonic devices which may serve as fundamental elements of a quantum network node.

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Updated March 2024, all rights reserved.