Fast and robust population transfer in two-level quantum systems with dephasing noise and/or systematic frequency errors
- 5 September 2013
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 88 (3)
- https://doi.org/10.1103/physreva.88.033406
Abstract
We design, by invariant-based inverse engineering, driving fields that invert the population of a two-level atom in a given time, robustly with respect to dephasing noise and/or systematic frequency shifts. Without imposing constraints, optimal protocols are insensitive to the perturbations but need an infinite energy. For a constrained value of the Rabi frequency, a flat pi pulse is the least sensitive protocol to phase noise but not to systematic frequency shifts, for which we describe and optimize a family of protocols.Keywords
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