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Pixel super-resolution with spatially entangled photons

Author

Listed:
  • Hugo Defienne

    (University of Glasgow)

  • Patrick Cameron

    (University of Glasgow)

  • Bienvenu Ndagano

    (University of Glasgow)

  • Ashley Lyons

    (University of Glasgow)

  • Matthew Reichert

    (Princeton University)

  • Jiuxuan Zhao

    (Ecole Polytechnique Federale de Lausanne (EPFL))

  • Andrew R. Harvey

    (University of Glasgow)

  • Edoardo Charbon

    (Ecole Polytechnique Federale de Lausanne (EPFL))

  • Jason W. Fleischer

    (Princeton University)

  • Daniele Faccio

    (University of Glasgow)

Abstract

Pixelation occurs in many imaging systems and limits the spatial resolution of the acquired images. This effect is notably present in quantum imaging experiments with correlated photons in which the number of pixels used to detect coincidences is often limited by the sensor technology or the acquisition speed. Here, we introduce a pixel super-resolution technique based on measuring the full spatially-resolved joint probability distribution (JPD) of spatially-entangled photons. Without shifting optical elements or using prior information, our technique increases the pixel resolution of the imaging system by a factor two and enables retrieval of spatial information lost due to undersampling. We demonstrate its use in various quantum imaging protocols using photon pairs, including quantum illumination, entanglement-enabled quantum holography, and in a full-field version of N00N-state quantum holography. The JPD pixel super-resolution technique can benefit any full-field imaging system limited by the sensor spatial resolution, including all already established and future photon-correlation-based quantum imaging schemes, bringing these techniques closer to real-world applications.

Suggested Citation

  • Hugo Defienne & Patrick Cameron & Bienvenu Ndagano & Ashley Lyons & Matthew Reichert & Jiuxuan Zhao & Andrew R. Harvey & Edoardo Charbon & Jason W. Fleischer & Daniele Faccio, 2022. "Pixel super-resolution with spatially entangled photons," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-31052-6
    DOI: 10.1038/s41467-022-31052-6
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    References listed on IDEAS

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    1. M.P. Edgar & D.S. Tasca & F. Izdebski & R.E. Warburton & J. Leach & M. Agnew & G.S. Buller & R.W. Boyd & M.J. Padgett, 2012. "Imaging high-dimensional spatial entanglement with a camera," Nature Communications, Nature, vol. 3(1), pages 1-6, January.
    2. Takafumi Ono & Ryo Okamoto & Shigeki Takeuchi, 2013. "An entanglement-enhanced microscope," Nature Communications, Nature, vol. 4(1), pages 1-7, December.
    3. Gabriela Barreto Lemos & Victoria Borish & Garrett D. Cole & Sven Ramelow & Radek Lapkiewicz & Anton Zeilinger, 2014. "Quantum imaging with undetected photons," Nature, Nature, vol. 512(7515), pages 409-412, August.
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