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SAMOP 2021 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 16: Quantum Optics

Q 16.8: Poster

Thursday, September 23, 2021, 16:30–18:30, P

Composite pulses for nitrogen-vacancy colour centresJosselin Bernardoff, •Jan Thieme, Ricky-Joe Plate, Manika Bhardwaj, Markus Debatin, and Kilian Singer — Universität Kassel, Kassel, Deutschland

We present numerical and preliminary experimental results of the application of tailored composite pulses [1] to shape the excitation profile addressing only selected quantum states in the system. By using analytical methods applied to the Rosen-Zener excitation model [2], we derive excitation profiles for a broadband excitation profile with respect to detuning and pulse duration. Towards this goal we are using an arbitrary waveform generator to supply these pulses to single nitrogen-vacancy colour centres. As an outlook we will show how the derived pulse sequences can be extended to qubit manipulation in trapped ions.

[1] B. T. Torosov and N. V. Vitanov, Phys. Rev. A 83, 053420 (2011). [2] N. Rosen and C. Zener, Phys. Rev. 40, 502 (1932).

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