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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Quantum imaging and information.

Omar S Magaña-Loaiza1, Robert W Boyd2

  • 1Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803, United States of America.

Reports on Progress in Physics. Physical Society (Great Britain)
|October 23, 2019
PubMed
Summary
This summary is machine-generated.

Photons are key information resources, especially using their spatial properties for quantum information processing. This review explores how photon spatial states and quantum imaging advance this field.

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Area of Science:

  • Quantum optics and optical physics.
  • Photonics and quantum information science.

Background:

  • The photon is a crucial resource for information processing.
  • Exploiting photon degrees of freedom, particularly spatial ones, enables advanced applications.
  • Quantum properties of light are being used for novel imaging techniques.

Purpose of the Study:

  • To define parameters of the photon's spatial wavefunction.
  • To establish the importance of these parameters for quantum information processing.
  • To review protocols using high-dimensional spatial photon states and quantum imaging.

Main Methods:

  • Analysis of fundamental parameters describing the photon's spatial wavefunction.
  • Review of quantum information protocols utilizing spatial states.
  • Investigation of imaging techniques and their role in quantum information processing.

Main Results:

  • High-dimensional spatial photon states enable information processing with sub-shot-noise levels.
  • Quantum imaging techniques provide unique resolution features.
  • Synergistic development between imaging techniques and quantum information processing methods.

Conclusions:

  • The spatial degree of freedom of photons is vital for quantum information processing.
  • Advanced quantum imaging techniques are integral to developing new quantum information protocols.
  • Photon spatial states and quantum imaging are mutually beneficial research areas.