Single-Pixel Photon-Counting Imaging Based on Dual-Comb Interferometry

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 sing...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2021-05, Vol.11 (6), p.1379
Main Authors: Hu, Huiqin, Ren, Xinyi, Wen, Zhaoyang, Li, Xingtong, Liang, Yan, Yan, Ming, Wu, E
Format: Article
Language:English
Subjects:
dual-comb imaging
Experiments
Fourier transform spectroscopy
Glass substrates
Imaging
Interferometry
Lasers
Light
Noise
Optics
Photon counters
photon counting
Photons
Pixels
Power
Remote sensing
Sensors
single-pixel
Spectrum allocation
Spectrum analysis
spectrum-encoded
Time correlation functions
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Description
Summary: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.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano11061379