Oscillator-Less Photonic Ising Machine with Digital-Nonlinearity-Based Bifurcation and Its Simulated Application to a 1 Million-Node Fully Connected Max-Cut Problem

We propose a large-scale photonic Ising machine (PIM) employing ultrafast pulse propagation in 50-km recirculating loss-less fiber loop and digital feedback nonlinearity without pulse oscillation. A 10<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sup>-node max-cut problem is solved with the PIM software.

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Published
2025-06-29
DOI
https://doi.org/10.23919/oecc/psc62146.2025.11110065
Primary Topic
Optical Network Technologies
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article
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article

Oscillator-Less Photonic Ising Machine with Digital-Nonlinearity-Based Bifurcation and Its Simulated Application to a 1 Million-Node Fully Connected Max-Cut Problem

Toshihiko Hirooka, Masataka Nakazawa
Optical Network Technologies
article

Oscillator-Less Photonic Ising Machine with Digital-Nonlinearity-Based Bifurcation and Its Simulated Application to a 1 Million-Node Fully Connected Max-Cut Problem

Toshihiko Hirooka, Masataka Nakazawa
article en

Abstract

We propose a large-scale photonic Ising machine (PIM) employing ultrafast pulse propagation in 50-km recirculating loss-less fiber loop and digital feedback nonlinearity without pulse oscillation. A 10<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">6</sup>-node max-cut problem is solved with the PIM software.

Tohoku University (JP)
Openalex Percentile: Top 80%
Optical Network Technologies
DOISourceOpenAlex
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Oscillator-Less Photonic Ising Machine with Digital-Nonlinearity-Based Bifurcation and Its Simulated Application to a 1 Million-Node Fully Connected Max-Cut Problem — Toshihiko Hirooka, Masataka Nakazawa · (2025) | TGRS Research Map | TGRS