Adiabatic passage in the presence of noise

We report on an experimental investigation of rapid adiabatic passage (RAP) in a trapped barium ion system. RAP is implemented on the transition from the 6S sub(1/2) ground state to the metastable 5D sub(5/2) level by applying a laser at 1.76 mu m. We focus on the interplay of laser frequency noise...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2012-02, Vol.85 (2), Article 023401
Main Authors: Noel, T., Dietrich, M. R., Kurz, N., Shu, G., Wright, J., Blinov, B. B.
Format: Article
Language:English
Subjects:
Adiabatic flow
Ground state
Lasers
Noise
Rabi frequency
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Summary:We report on an experimental investigation of rapid adiabatic passage (RAP) in a trapped barium ion system. RAP is implemented on the transition from the 6S sub(1/2) ground state to the metastable 5D sub(5/2) level by applying a laser at 1.76 mu m. We focus on the interplay of laser frequency noise and laser power in shaping the effectiveness of RAP, which is commonly assumed to be a robust tool for high-efficiency population transfer. However, we note that reaching high state transfer fidelity requires a combination of small laser linewidth and large Rabi frequency.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.85.023401