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Updated: Jun 6, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Optimal Floquet state engineering for large scale atom interferometers.

T Rodzinka1, E Dionis2, L Calmels1

  • 1Laboratoire Collisions Agrégats Réactivité (LCAR/FERMI), UMR5589, UniversitéToulouse III - Paul Sabatier and CNRS, 118 Route de Narbonne, F-31062, Toulouse, France.

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|November 28, 2024
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Summary
This summary is machine-generated.

We developed a novel atomic beam splitter for large momentum transfer interferometers. This technique enhances quantum sensing and precision measurements by achieving large wave packet separations efficiently and robustly.

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Area of Science:

  • Quantum physics
  • Atomic physics
  • Quantum sensing

Background:

  • Atom interferometry is crucial for quantum sensors and precision measurements.
  • Performance relies on large wave packet separations.

Purpose of the Study:

  • To present a novel approach for atomic beam splitters.
  • To demonstrate a Large Momentum Transfer (LMT) interferometer with unprecedented momentum separation.

Main Methods:

  • Stroboscopic stabilization of quantum states in an accelerated optical lattice.
  • Generation of Floquet states using optimal control protocols.

Main Results:

  • Demonstration of an unprecedented LMT interferometer with 600 photon recoils momentum separation.
  • Beam splitters realized in 2 ms, showing robustness against velocity dispersion and lattice depth fluctuations.

Conclusions:

  • Floquet engineering is a promising tool for large-scale quantum physics.
  • Applications include advanced quantum sensing and fundamental physics testing.