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Related Experiment Video

Updated: Jun 5, 2025

Long-term Intravital Immunofluorescence Imaging of Tissue Matrix Components with Epifluorescence and Two-photon Microscopy
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Jones-matrix imaging based on two-photon interference.

Tsz Kit Yung1, Hong Liang1, Jiawei Xi1

  • 1Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary
This summary is machine-generated.

Two-photon interference enables quantum imaging by characterizing sample polarization. This method uses a reference metasurface for parallelized Jones matrix imaging without altering incident light polarization.

Keywords:
Jones-matrix imagingquantum imagingquantum metasurfacestwo-photon interference

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Area of Science:

  • Quantum optics
  • Quantum information science
  • Metasurface applications

Background:

  • Two-photon interference, linked to light's quantum nature, underpins quantum imaging.
  • The Hong-Ou-Mandel (HOM) effect demonstrates photon bunching, enabling pixel-level characterization of sample properties like amplitude, phase, and polarization.
  • Metasurfaces offer novel ways to control light polarization, with potential in advanced imaging.

Purpose of the Study:

  • To demonstrate Jones matrix imaging of an unknown object using two-photon interference.
  • To develop a method for characterizing polarization responses at each pixel of a sample.
  • To leverage metasurfaces for efficient and parallelized quantum optical measurements.

Main Methods:

  • Utilized two-photon interference and the Hong-Ou-Mandel (HOM) effect.
  • Employed a reference metasurface with known polarization responses.
  • Performed pairwise coincidence measurements and analyzed coincidence visibility dependence on reference polarization.

Main Results:

  • Successfully retrieved the object's polarization responses at each pixel.
  • Demonstrated parallelized optical measurements for Jones matrix characterization by post-selecting coincidence images.
  • Eliminated the need to switch incident polarization during measurements.

Conclusions:

  • Two-photon interference combined with metasurfaces provides a powerful tool for Jones matrix imaging.
  • The developed technique enables parallelized quantum optical measurements, advantageous for quantum algorithms.
  • This approach shows promise for future applications in quantum-enhanced biological and medical imaging.