[15a-4D-1~13] 3.10 Optical quantum physics and technologies

[15a-4D-4] Observation of phase bifurcation in time-division multiplexed OPO

〇Takahiro Inagaki¹, Takeshi Umeki², Osamu Tadanaga², Hirokazu Takenouchi², Hiroki Takesue¹ (1.NTT BRL, 2.NTT Device Technology Laboratories)

Keywords:Coherent Ising machine,optical parametric oscillator,Ising model

We realized 5140 time-division-multiplexed OPOs in a 500-m fiber ring cavity by using sequential pump pulses at a repetition of 2 GHz, and observed the optical-phase bifurcation in the oscillation process of each individual OPO.