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A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Interferometric generation of parametrically shaped polarization pulses.

Stefan M Weber1, Fabian Weise, Mateusz Plewicki

  • 1Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin. weberst@physik.fu-berlin.de

Applied Optics
|August 19, 2007
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Summary

We demonstrate a new method to precisely control femtosecond laser pulses. This technique allows for tailoring the three-dimensional electrical field, enabling the creation of unique polarization pulses.

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Area of Science:

  • Ultrafast optics and photonics
  • Nonlinear optics
  • Laser physics

Background:

  • Precise control over femtosecond laser pulses is crucial for advanced applications in science and technology.
  • Existing methods for pulse shaping have limitations in fully controlling the complex electrical field characteristics.

Purpose of the Study:

  • To demonstrate the capabilities of a novel interferometric parallel pulse shaper.
  • To present a comprehensive method for tailoring the three-dimensional electrical field of femtosecond laser pulses.
  • To showcase the generation of parametric polarization pulses with controllable temporal properties.

Main Methods:

  • Utilized an interferometric parallel pulse shaper setup.
  • Developed a method for full three-dimensional electrical field control.
  • Generated and analyzed various example polarization pulses.

Main Results:

  • Successfully demonstrated the capability of the interferometric parallel pulse shaper.
  • Achieved full tailoring of the three-dimensional electrical field of femtosecond laser pulses.
  • Produced parametric polarization pulses with arbitrary temporal orientations and ellipticities.

Conclusions:

  • The presented method offers unprecedented control over femtosecond laser pulse characteristics.
  • This advancement opens new possibilities for applications requiring precisely shaped light fields.
  • The technique is versatile, allowing for the generation of complex polarization states in time.