Showing 2025 · quant-phShow all
2 papers · 2 filters
quant-ph2025
A Sensitive Nonclassicality Certification Functional for Continuous-Variable Systems
Ole Steuernagel, Ray-Kuang Lee
If the phase space-based Glauber-Sudarshan distribution, , has negative values the quantum state, , it describes is nonclassical. Due to 's singular behavi…
quant-ph2025
Machine Learning for Quantum State Tomography: Robust Covariance Matrix Estimation for Squeezed Vacuum States with Thermal Noise
Juan Camilo Rodrıguez, Hsien-Yi Hsieh, Hua-Li Chen +3
We present a supervised machine learning-based method using convolutional neural networks to estimate the covariance matrix of Gaussian quantum states in the presence of thermal no…