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100,000-spin coherent Ising machine

Honjo, Toshimori ; Sonobe, Tomohiro ; Inaba, Kensuke ; Inagaki, Takahiro ; Ikuta, Takuya ; Yamada, Yasuhiro ; Kazama, Takushi ; Enbutsu, Koji ; Umeki, Takeshi ; Kasahara, Ryoichi ; Kawarabayashi, Ken-Ichi ; Takesue, Hiroki

Science advances, 2021-10, Vol.7 (40), p.eabh0952-eabh0952 [Periódico revisado por pares]

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Título:
100,000-spin coherent Ising machine
Autor: Honjo, Toshimori ; Sonobe, Tomohiro ; Inaba, Kensuke ; Inagaki, Takahiro ; Ikuta, Takuya ; Yamada, Yasuhiro ; Kazama, Takushi ; Enbutsu, Koji ; Umeki, Takeshi ; Kasahara, Ryoichi ; Kawarabayashi, Ken-Ichi ; Takesue, Hiroki
Assuntos: Applied Sciences and Engineering ; Computer Science ; Physical and Materials Sciences ; SciAdv r-articles
É parte de: Science advances, 2021-10, Vol.7 (40), p.eabh0952-eabh0952
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Computers based on physical systems are increasingly anticipated to overcome the impending limitations on digital computer performance. One such computer is a coherent Ising machine (CIM) for solving combinatorial optimization problems. Here, we report a CIM with 100,512 degenerate optical parametric oscillator pulses working as the Ising spins. We show that the CIM delivers fine solutions to maximum cut problems of 100,000-node graphs drastically faster than standard simulated annealing. Moreover, the CIM, when operated near the phase transition point, provides some extremely good solutions and a very broad distribution. This characteristic will be useful for applications that require fast random sampling such as machine learning.
Editor: United States: American Association for the Advancement of Science
Idioma: Inglês

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