SAMOP 2023 – wissenschaftliches Programm

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QI: Fachverband Quanteninformation

QI 23: Poster II (joint session QI/Q)

QI 23.5: Poster

Mittwoch, 8. März 2023, 16:30–19:00, Empore Lichthof

Exact Qubit Resonance Calibration and Power Narrowing — •Ivo Mihov and Nikolay Vitanov — Department of Physics, St Kliment Ohridski University of Sofia, 5 James Bourchier blvd, 1164 Sofia, Bulgaria

At resonance, pulse shapes do not affect the population transfer; nevertheless, pulse shapes play a vital role in shaping the resonance response curves of a qubit. The response curves react differently to Rabi frequency increases, where some exhibit power broadening (e.g. rectangular pulses) but other ones do not change their width. In this work, the experimental frequency response curves of various pulse shapes were validated against theoretical predictions. Also, the effects of symmetrical truncation of Lorentzian-shaped pulses to different degrees were examined. More significantly, a solid power narrowing pattern was observed in Lorentzian pulses.