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Title: Nonlinear Integrated Photonics for Quantum State Engineering
Abstract:
Nonlinear photonics has provided a scientific cornerstone for a majority of modern technology during the past half-century, such as diversifying laser wavelength, manufacturing nanostructures, and guiding the design of telecommunication. Moreover, it keeps supporting the emergence of novel applications, including high-resolution spectroscopy, atom clocks, and especially quantum technology. However, in photonic quantum state engineering, current recipes on design and modeling are impotent in specific quantum applications, for which advanced techniques are urgently needed. In this dissertation, the quantum-level interplay between the linear response of integrated photonic devices and multiple nonlinearities within the system has been investigated in detail. We utilize these interactions to manage the generation of limit-breaking quantum photonic states, including customized temporal-spectral entanglement, high-brightness quantum sources, and high-purity quantum states.