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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Continuously adjustable gate width setup for attosecond polarization gating: theory and experiment.

Claude Marceau1, Guillaume Gingras, Bernd Witzel

  • 1Centre d’Optique, Photonique et Laser and Département de Physique, de Génie Physique et d’Optique, Université Laval, Québec, Québec, G1V 0A6, Canada. claude.marceau.2@ulaval.ca

Optics Express
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PubMed
Summary
This summary is machine-generated.

We present a novel attosecond polarization gating method using quartz wedges and a quarter-wave plate. This technique precisely controls laser pulse polarization for advanced electron imaging experiments.

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Area of Science:

  • Ultrafast laser science
  • Quantum optics
  • Attosecond physics

Background:

  • Precise control over ultrashort laser pulse polarization is crucial for advanced spectroscopic techniques.
  • Existing attosecond polarization gating methods can be complex and lack flexibility.

Purpose of the Study:

  • To demonstrate a new, adaptable method for attosecond polarization gating.
  • To enable precise control over the temporal polarization of intense laser fields.
  • To facilitate advanced electron imaging experiments with attosecond resolution.

Main Methods:

  • Utilized a setup with four quartz wedges and a quarter-wave plate for adjustable temporal gate-width and dispersion.
  • Performed numerical simulations of pulse propagation beyond the carrier-envelope approximation for calibration.
  • Employed an electron imaging spectrometer to measure electron momentum distributions from xenon ionization.

Main Results:

  • Successfully demonstrated attosecond polarization gating with adjustable parameters.
  • Measured the orientation of the polarization plane in the most intense temporal slice of the laser pulse.
  • Validated the experimental results against theoretical predictions and numerical simulations.

Conclusions:

  • The developed method offers a flexible and robust approach to attosecond polarization gating.
  • The technique is suitable for precise control of laser polarization in pump-probe experiments.
  • Numerical simulations confirm the method's robustness against non-ideal laser parameters.