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Analysis on Effectiveness of Surrogate Data-Based Laser Chaos Decision Maker

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  • Norihiro Okada
  • Mikio Hasegawa
  • Nicolas Chauvet
  • Aohan Li
  • Makoto Naruse
  • Toshikazu Kuniya

Abstract

The laser chaos decision maker has been demonstrated to enable ultra-high-speed solutions of multiarmed bandit problems or decision-making in the GHz order. However, the underlying mechanisms are not well understood. In this paper, we analyze the chaotic dynamics inherent in experimentally observed laser chaos time series via surrogate data and further accelerate the decision-making performance via parameter optimization. We first evaluate the negative autocorrelation in a chaotic time series and its impact on decision-making detail. Then, we analyze the decision-making ability using three different surrogate chaos time series to examine the underlying mechanism. We clarify that the negative autocorrelation of laser chaos improves decision-making and that the amplitude distribution of the original laser chaos time series is not optimal. Hence, we introduce a new parameter for adjusting the amplitude distribution of the laser chaos to enhance the decision-making performance. This study provides a new insight into exploiting the supremacy of chaotic dynamics in artificially constructed intelligent systems.

Suggested Citation

  • Norihiro Okada & Mikio Hasegawa & Nicolas Chauvet & Aohan Li & Makoto Naruse & Toshikazu Kuniya, 2021. "Analysis on Effectiveness of Surrogate Data-Based Laser Chaos Decision Maker," Complexity, Hindawi, vol. 2021, pages 1-9, February.
    • Handle: RePEc:hin:complx:8877660
    DOI: 10.1155/2021/8877660
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