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ABSTRACT
Optimal control theory has been employed to populate separately two dark states of the acetylene polyad, Ns = 1 and Nr = 5, by indirect coupling via the ground state. Relevant level energies and transition dipole moments are extracted from the experimental literature. The optimal pulses are rather simple. The evolution of the population is shown for the duration of the control process and also for the field-free evolution that follows the control. One of the dark states appears to be a potential target for realistic experimental investigation because the average population of the Rabi oscillation remains high and decoherence is expected to be weak.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was sponsored by the ‘Wiener-Anspach’ foundation (ACME project) and supported by the FRS-FNRS of Belgium [grant number I.I.S.N. 4.4504.10]. N. Iacobellis and L. Santos acknowledge an FRIA research grant from the FRS-FNRS of Belgium. M. Desouter-Lecomte thanks the FRS-FNRS of Belgium for a grant. We also thank the COST XLIC and MOLIM actions. This work has been performed within the French GDR 3575 THEMS. D.S. Perry acknowledges support from the US Department of Energy, Office of Basic Energy Sciences [grant number DE-FG02-90ER14151].