Improving the stimulated Raman adiabatic passage via dissipative quantum dynamics

Abstract

We propose a method to improve the stimulated Raman adiabatic passage (STIRAP) via dissipative quantum dynamics, taking into account the dephasing effects. Fast and robust population transfer can be obtained with the scheme by the designed pulses and detuning, even though the initial state of the system is imperfect. With a concrete three-level system as an example, the influences of the imperfect initial state, variations in the control parameters, and various dissipation effects are discussed in detail. The numerical simulation shows that the scheme is insensitive to moderate fluctuations of experimental parameters and the relatively large dissipation effects of the excited state. Furthermore, the dominant dissipative factors, namely, the dephasing effects of the ground states and the imperfect initial state are no longer undesirable, in fact, they are the important resources to the scheme. Therefore, the scheme could provide more choices for the realization of the complete population transfer in the strong dissipative fields

8 pages, 10 figures, has been accepted by Optics Express

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• Nonadiabatic robust excitation transfer assisted by an imaginary gauge field
• Quantum state conversion in opto-electro-mechanical systems via shortcut to adiabaticity
• Improving shortcuts to non-Hermitian adiabaticity for fast population transfer in open quantum systems
• Invariant-based pulse design for three-level systems without the rotating-wave approximation
• Controllable multiple beam splitting in Hermitian and non-Hermitian symmetric coupled waveguide systems
• Counterdiabatic driving for pseudo- and antipseudo- Hermitian systems
• Optimal population transfer in combined Feshbach Resonance and STIRAP process