Combinatorial optimization using networks of optical parametric oscillators
Peter L. McMahon, Alireza Marandi, Yoshitaka Haribara, Ryan Hamerly, Carsten Langrock, Shuhei Tamate, Takahiro Inagaki, Hiroki Takesue, Shoko Utsunomiya, Kazuyuki Aihara, Robert L. Byer, M. M. Fejer, Hideo Mabuchi, Y. Yamamoto · Nonlinear Optics · 2017
We use a network of 160 optical parametric oscillators, formed using fiber-coupled PPLN in a ~320-m fiber loop, to build an annealing machine that can find solutions to Ising problems with arbitrary spin connectivity.