Quantum control in qutrit systems using hybrid rabi-STIRAP pulses

Research output: Contribution to journalArticle


Research units

  • Università degli Studi di Catania
  • CNR-Consiglio Nazionale Delle Ricerche
  • INFN, Sezione di Catania


We introduce and analyze theoretically a procedure that combines slow adiabatic stimulated Raman adiabatic passage (STIRAP) manipulation with short nonadiabatic Rabi pulses to produce any desired three-level state in a qutrit system. In this protocol, the fast pulses create superpositions between the ground state and the first excited state, while the slow pulses transfer an arbitrary population to the second excited state via STIRAP. We demonstrate high-fidelity quantum control of the level populations and phases and we characterize the errors incurred under the breakdown of adiabaticity. In a configuration where an ancillary state is available, we show how to realize
a nondemolition monitoring of the relative phases. These methods are general and can be implemented on any experimental platform where a quantum system with at least three accessible energy levels is available. We discuss here in detail experimental implementations in circuit quantum electrodynamics (QED) based on the results obtained with a transmon, where the control of
population using the hybrid Rabi-STIRAP sequence has been achieved.


Original languageEnglish
Article number62
Pages (from-to)1-15
Number of pages15
Issue number4
Publication statusPublished - 26 Nov 2016
MoE publication typeA1 Journal article-refereed

    Research areas

  • quantum computing, superconducting qubits, stimulated Raman adiabatic passage, nonadiabaticity, quantum control, quantum gates, Josephson junctions

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