期刊
PHYSICAL REVIEW A
卷 80, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.013417
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资金
- EMALI
- FASTQUAST
- European Union
- EPSRC [EP/E023568/1]
- German research foundation
- Bulgarian NSF u [205/06, 301/07, D002-90/08]
- Engineering and Physical Sciences Research Council [EP/E023568/1] Funding Source: researchfish
- EPSRC [EP/E023568/1] Funding Source: UKRI
Stimulated Raman adiabatic passage (STIRAP) driven with pulses of optimum shape and delay has the potential of reaching fidelities high enough to make it suitable for quantum-information processing. The optimum pulse shapes are obtained upon reduction of STIRAP to effective two-state systems. We use the Dykhne-Davis-Pechukas (DDP) method to minimize nonadiabatic transitions and to maximize the fidelity of STIRAP. This results in a particular relation between the pulse shapes of the two fields driving the Raman process. The DDP-optimized version of STIRAP maintains its robustness against variations in the pulse intensities and durations, the single-photon detuning, and possible losses from the intermediate state.
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