Computational learning 1 Degrees of freedom (mechanics) 1 Hamiltonians 1 High-dimensional 1 Higher-dimensional 1 Inverse designs 1 Inverse problems 1 Learning methods 1 Learning systems 1 Light 1 Nonlinear optics 1 Optical systems 1 Parametric down-conversion process Photonic crystals 1 Pump beams 1 Pumps 1 Quantum cryptography 1 Quantum entanglement 1 Quantum optics 1 Quantum state 1 Spatial modes 1 Spontaneous parametric down-conversion 1 Stochastic models 1 Stochastic systems 1