ArticleNature communications2018
Understanding dynamics of coherent Ising machines through simulation of large-scale 2D Ising models.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- E-Spin: A Stochastic Ising Spin Based on Electrically-Controlled MTJ for Constructing Large-Scale Ising Annealing Systems.Micromachines · 2023Article
- Large-scale coherent Ising machine based on optoelectronic parametric oscillator.Light, science & applications · 2022Article
- Noise-injected analog Ising machines enable ultrafast statistical sampling and machine learning.Nature communications · 2022Article
- 100,000-spin coherent Ising machine.Science advances · 2021Article
- Collective and synchronous dynamics of photonic spiking neurons.Nature communications · 2021Article
- Demonstration of chip-based coupled degenerate optical parametric oscillators for realizing a nanophotonic spin-glass.Nature communications · 2020Article
- A poor man's coherent Ising machine based on opto-electronic feedback systems for solving optimization problems.Nature communications · 2019Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many problems in mathematics, statistical mechanics, and computer science are computationally hard but can often be mapped onto a ground-state-search problem of the Ising model and approximately solved by artificial spin-networks of coupled degenerate optical parametric oscillators (DOPOs) in coherent Ising machines. To better understand their working principle and optimize their performance, we analyze the dynamics during the ground state search of 2D Ising models with up to 1936 mutually coupled DOPOs. For regular as well as frustrated and disordered 2D lattices, the machine finds the correct solution within just a few milliseconds. We determine that calculation performance is limited by freeze-out effects and can be improved by controlling the DOPO dynamics, which allows to optimize performance of coherent Ising machines in various tasks. Comparisons with Monte Carlo simulations reveal that coherent Ising machines behave like low temperature spin systems, thus making them suitable for optimization tasks.
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Registered trials
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