Resonant transfer of large momenta from finite duration pulse sequences

Abstract

We experimentally investigate the atom optics kicked particle at quantum resonance using finite duration kicks. Even though the underlying process is quantum interference it can be well described by an $\epsilon$-pseudoclassical model. The $\epsilon$-pseudoclassical model agrees well with our experiments for a wide range of parameters. We investigate the parameters yielding maximal momentum transfer to the atoms and find that this occurs in the regime where neither the short pulse approximation nor the Bragg condition is valid. Nonetheless, the momentum transferred to the atoms can be predicted using a simple scaling law, which provides a powerful tool for choosing optimal experimental parameters. We demonstrate this in a measurement of the Talbot time (from which $h/M$ can be deduced), in which we coherently split atomic wave-functions into superpositions of momentum states that differ by 200 photon recoils. Our work may provide a convenient way to implement large momentum difference beam splitters in atom interferometers.

References in corpus (19)

• New determination of the fine structure constant and test of the quantum electrodynamics
• Atom Interferometry with up to 24-Photon-Momentum-Transfer Beam Splitters
• Precision atomic gravimeter based on Bragg diffraction
• Atom interferometers with scalable enclosed area
• Quantum resonances and decoherence for delta-kicked atoms
• Large-momentum-transfer Bragg interferometer with strontium atoms
• A classical scaling theory of quantum resonances
• Observation of sub-Fourier resonances in a quantum-chaotic system
• Sub-Fourier characteristics of a $\delta$-kicked rotor resonance
• Ballistic and localized transport for the atom optics kicked rotor in the limit of vanishing kicking period
• A quantum random walk of a Bose-Einstein condensate in momentum space
• Observation of coherence revival and fidelity saturation in a delta-kicked rotor potential
• Demonstration of perfect coherence preservation for matter-waves perturbed by a delta-kicked rotor
• Quantum Mechanical Cumulant Dynamics near Stable Periodic Orbits in Phase Space: Application to the classical-like dynamics of quantum accelerator modes
• Lattice Interferometer for Ultra-Cold Atoms
• Irrationality and quasiperiodicity in driven nonlinear systems
• Atom interferometry using $\delta$-kicked and finite duration pulse-sequences
• Quantum resonant effects in the delta-kicked rotor revisited
• An $\epsilon$-pseudoclassical model for quantum resonances in a cold dilute atomic gas periodically driven by finite-duration standing-wave laser pulses

Cited by in corpus (1)

• Optimal Matterwave Gravimetry