Robust two-level system control by a detuned and chirped laser pulse

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We propose and demonstrate a robust control scheme by an ultrafast nonadiabatic chirped laser pulse, designed for targeting coherent superpositions of two-level systems. Robustness against power fluctuation is proved by our numerical study and a proof-of-principle experiment performed with femtosecond laser interaction on cold atoms. They exhibit for the final driven dynamics a cusp on the Bloch sphere, corresponding to a zero curvature of fidelity. This solution is particularly simple and thus applicable to a wide range of potential applications.
Publisher
American Physical Society
Issue Date
2017-09
Language
English
Article Type
Article
Keywords

POPULATION TRANSFER; QUANTUM COMPUTER; BROAD-BAND; INVERSION; DYNAMICS; PASSAGE; STATE

Citation

PHYSICAL REVIEW A, v.96, no.3, pp.033403

ISSN
2469-9926
DOI
10.1103/PhysRevA.96.033403
URI
http://hdl.handle.net/10203/226299
Appears in Collection
PH-Journal Papers(저널논문)
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