Fig. 13
From: Coherent Ising machines—optical neural networks operating at the quantum limit
Non-Gaussian states in CIM. a Time evolution of \(\left\langle {\Delta \hat X^3} \right\rangle\) of the in-phase amplitudes of the two DOPO fields. b Time evolution of ⟨\(\hat{X}\)⟩ under the replicator dynamics generated by the ensemble over 10,000 runs. c Time evolution of ⟨\(\hat{X}\)⟩ under the Gaussian approximation. d The success rates for fining a ground state of N = 16 one-dimensional Ising spin problem by the exact and Gaussian approximation45
