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<p>An experiment on ghost imaging with a pseudo-thermal light source and a single-photon detector array is presented. The experimental light intensity is set so low that the photon-detection rate is comparable to the dark-count rate. The measured data are filtered frame-by-frame by the number of detected counts per frame and the ghost image (GI) is smoothed using a moving short-range averaging to minimize the influence of dark counts on the GI and reduce fluctuations in the speckle pattern of the image. Optimization of the filtering procedure was found to lead to a significant reduction in the data collection time (down to several seconds) required for obtaining a high-quality GI.</p>

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Frame-filtered Ghost Imaging with a Single-photon Detector Array at Low-intensity Pseudo-thermal Light

  • 期刊论文

  • 发表日期：

    2026年7月4日

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  • N. D. Samoilenko,
  • V. S. Starovoitov,
  • D. S. Mogilevtsev,
  • S. Ya. Kilin

摘要

An experiment on ghost imaging with a pseudo-thermal light source and a single-photon detector array is presented. The experimental light intensity is set so low that the photon-detection rate is comparable to the dark-count rate. The measured data are filtered frame-by-frame by the number of detected counts per frame and the ghost image (GI) is smoothed using a moving short-range averaging to minimize the influence of dark counts on the GI and reduce fluctuations in the speckle pattern of the image. Optimization of the filtering procedure was found to lead to a significant reduction in the data collection time (down to several seconds) required for obtaining a high-quality GI.