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quant-ph2026
Learning high-dimensional quantum entanglement through physics-guided neural networks
Yang Xu, Hao Zhang, Wenwen Zhang +4
High-gain spontaneous parametric down-conversion (SPDC) produces bright squeezed vacuum with rich high-dimensional entanglement, but its output is inherently multimodal and non-per…
quant-ph2025
Optimal propagation distance for maximal biphoton entanglement through the weakly turbulent atmosphere
Luchang Niu, Saleem Iqbal, Yang Xu +1
Understanding the influence of atmospheric turbulence on the propagation of entangled biphoton states is essential for free-space quantum communication protocols. Using the extende…
quant-ph2024
Stimulated emission tomography for efficient characterization of spatial entanglement
Yang Xu, Saumya Choudhary, Robert W. Boyd
Stimulated emission tomography (SET) is an excellent tool for characterizing the process of spontaneous parametric down-conversion (SPDC), which is commonly used to create pairs of…