Nonadiabtic robust pulses for creating superposition states in a resonant three-level system

Lin Wan; Joel Moser; Ying Yan

doi:10.1117/12.2547414

18 December 2019 Nonadiabtic robust pulses for creating superposition states in a resonant three-level system

Lin Wan, Joel Moser, Ying Yan

Proceedings Volume 11339, AOPC 2019: Quantum Information Technology; 113390D (2019) https://doi.org/10.1117/12.2547414
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

We proposed new light pulses to create a quantum coherent superposition state by using the invariant-based inverse engineering in a resonant three-level system, where physical imperfections such as the frequency detuning and variations in Rabi frequencies were concerned. Simulation results show that the fidelity of creating a superposition state of more than 98% can be achieved over a frequency detuning of ±18 MHz in 4 μs. The pulses are robust against the spatial inhomogeneity or instantaneous fluctuations in laser intensity. Comparisons of our pulses with other pulses show that our pulses are much more robust in terms of both the frequency detuning and laser intensity variations. Such features make our pulses an effective alternative as the spectral hole-burning pulses to reduce the number of repetitions of pulses, and can also be applied to initialize the multiple qubits where the driving frequency varies with time or position in superconducting transmon qubit systems.

Citation Download Citation

Lin Wan, Joel Moser, and Ying Yan "Nonadiabtic robust pulses for creating superposition states in a resonant three-level system", Proc. SPIE 11339, AOPC 2019: Quantum Information Technology, 113390D (18 December 2019); https://doi.org/10.1117/12.2547414

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