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1. Lithium Niobate Photonic Integrated Circuits for Nonlinear Quantum Optics
1. Lithium Niobate Photonic Integrated Circuits for Nonlinear Quantum Optics
This research focuses on the development of photonic integrated circuits (PICs) based on thin-film lithium niobate (LiNbO₃) for nonlinear quantum optical applications. By leveraging the nonlinear properties of lithium niobate, we aim to create highly efficient platforms for generating squeezed light and entangled photon pairs, which are critical resources for quantum communication and computation. Our work explores various nonlinear optical mechanisms, including second-order nonlinearity (χ(2)), third-order nonlinearity (χ(3)), Raman scattering, and Brillouin scattering, to enhance the versatility of these devices. By integrating active circuits with these nonlinear and quantum photonic devices, we aim to achieve precise control over quantum states, enabling advanced functionalities in quantum information processing.
2. Active Photonic Integrated Circuits for Quantum and Classical Information Processing
2. Active Photonic Integrated Circuits for Quantum and Classical Information Processing
This project explores the design and integration of active photonic components, such as modulators and detectors, into photonic circuits for both quantum and classical information processing. By combining these active elements with passive waveguide structures, we aim to create scalable and reconfigurable systems that can process and transmit information with low power consumption and unprecedented functionality. Our work is particularly focused on enhancing the stability of quantum devices and improving the coherence of quantum states during operations. In addition, we are developing fully photonic and electronic packaging solutions to ensure seamless integration and optimized performance in complex quantum and classical systems.
3. Inverse-designed Lithium Niobate Photonic Devices
3. Inverse-designed Lithium Niobate Photonic Devices
Inverse design methods are employed in this research to optimize lithium niobate photonic devices for specific applications in quantum optics. By utilizing advanced computational algorithms, we can discover device architectures that outperform traditional designs in terms of efficiency, compactness, and functionality. Our work focuses on applying inverse design to create devices such as modulators, frequency converters, and filters that are optimized for quantum information processing and integrated photonic circuits.
4. Quantum Metasurfaces
4. Quantum Metasurfaces
Quantum metasurfaces represent a novel approach to manipulating light at the quantum level using engineered nanostructures. This research explores the use of these metasurfaces to control the phase, polarization, and amplitude of quantum light, offering new possibilities for quantum information processing, sensing, and imaging. By tailoring the optical response of metasurfaces, we can potentially develop new methods for generating, detecting, and manipulating quantum states with high precision.
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