Single-pixel photon-counting imaging based on dual-comb interferometry

Huiqin Hu, Xinyi Ren, Zhaoyang Wen, Xingtong Li, Yan Liang, Ming Yan, E. Wu

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We propose and experimentally demonstrate single-pixel photon counting imaging based on dual-comb interferometry at 1550 nm. Different from traditional dual-comb imaging, this approach enables imaging at the photon-counting regime by using single-photon detectors combined with a time-correlated single-photon counter to record the returning photons. The illumination power is as low as 14 pW, corresponding to 2.2 × 10−3 photons/pulse. The lateral resolution is about 50 µm. This technique paves the way for applying dual-comb in remote sensing and imaging.

Original languageEnglish
Article number1379
JournalNanomaterials
Volume11
Issue number6
DOIs
StatePublished - Jun 2021

Keywords

  • Dual-comb imaging
  • Fourier transform spectroscopy
  • Photon counting
  • Single-pixel
  • Spectrum-encoded

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