Stimulated Raman adiabatic passage from an atomic to a molecular Bose-Einstein condensate

Details Stimulated Raman adiabatic passage from an atomic to a molecular Bose-Einstein condensate Stimulated Raman adiabatic passage from an atomic to a molecular Bose-Einstein condensate

2001-10-28

arxiv.org/abs/cond-mat/0110578v3

Phys. Rev. A 65, 063619 (2002)

Physics

Condensed Matter

Statistical Mechanics

Final published version

Scientific paper

10.1103/PhysRevA.65.063619

The process of stimulated Raman adiabatic passage (STIRAP) provides a possible route for the generation of a coherent molecular Bose-Einstein condensate (BEC) from an atomic BEC. We analyze this process in a three-dimensional mean-field theory, including atom-atom interactions and non-resonant intermediate levels. We find that the process is feasible, but at larger Rabi frequencies than anticipated from a crude single-mode lossless analysis, due to two-photon dephasing caused by the atomic interactions. We then identify optimal strategies in STIRAP allowing one to maintain high conversion efficiencies with smaller Rabi frequencies and under experimentally less demanding conditions.

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