Date of Award

Fall 2022

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Electrical Engineering (ENAS)

First Advisor

Tang, Hong

Abstract

The developments of on-chip quantum photonic circuits have enabled powerful resources to process quantum information. Compatible with large-scale modern nanofabrication processes, quantum photonic circuits show great scalability, stability, and integrability potential. However, a monolithic photonic platform alone cannot fulfill the stringent requirement for many quantum applications. It is incredibly challenging, for instance, to realize an on-demand single-photon source with monolithic photonic systems due to their weak nonlinearity. Hybrid integrated quantum photonics combines the strengths of multiple technologies, including superconducting circuits, mechanical systems, phononic circuits, and atom vapors, into a single functional device and holds great promise to expand the toolbox of integrated quantum photonics. A superconducting-photonic hybrid system, which can faithfully converter quantum signal between microwave and optical domain, is of particular interest to scalable quantum systems and the envisioned quantum network. This thesis will outline my work on developing hybrid integrated quantum photonic systems, including electro-optic, piezo-optomechanics, and phononics, for microwave-optical frequency conversions that interface superconducting quantum circuits and photonic integrated circuits.

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