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Role of multilevel Landau-Zener interference in extreme harmonic generation

Author(s): Stehlik, J; Maialle, MZ; Degani, MH; Petta, Jason R

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Abstract: Motivated by the observation of multiphoton electric dipole spin-resonance processes in InAs nanowires, we study theoretically the transport dynamics of a periodically driven five-level system, modeling the level structure of a two-electron double quantum dot. We show that the observed multiphoton resonances, which are dominant near interdot charge transitions, are due to multilevel Landau-Zener-Stuckelberg-Majorana interference. Here, a third energy level serves as a shuttle that transfers population between the two resonant spin states. By numerically integrating the master equation, we replicate the main features observed in the experiments: multiphoton resonances (as large as eight photons), a robust odd-even dependence, and oscillations in the electric dipole spin-resonance signal as a function of energy-level detuning.
Publication Date: 15-Aug-2016
Electronic Publication Date: 16-Aug-2016
Citation: Stehlik, J, Maialle, MZ, Degani, MH, Petta, JR. (2016). Role of multilevel Landau-Zener interference in extreme harmonic generation. PHYSICAL REVIEW B, 94 (10.1103/PhysRevB.94.075307
DOI: doi:10.1103/PhysRevB.94.075307
ISSN: 2469-9950
EISSN: 2469-9969
Type of Material: Journal Article
Journal/Proceeding Title: PHYSICAL REVIEW B
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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