[12a-N103-1~11] 3.10 Optical quantum physics and technologies

[12a-N103-1] Observation of phase transition in two-dimensional Ising model using coherent Ising machine

〇Hiroki Takesue¹, Yasuhiro Yamada¹, Kensuke Inaba¹, Takuya Ikuta¹, Yuya Yonezu¹, Takahiro Inagaki¹, Toshimori Honjo¹, Takushi Kazama², Koji Enbutsu², Takeshi Umeki², Roichi Kasahara² (1.NTT BRL, 2.NTT DTL)

Keywords:coherent Ising machine, two-dimensional Ising model, degenerate optical parametric oscillators

A coheretn Ising machine (CIM) is a network of degenerate optical parametric oscillators (DOPO) to simulate the Ising model. We experimentally investigated if the CIM can emulate behavior of phase transition in two-dimensional Ising model.