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Issue 14, 2018
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Optimal and robust control of quantum state transfer by shaping the spectral phase of ultrafast laser pulses

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Abstract

Achieving fast and efficient quantum state transfer is a fundamental task in physics, chemistry and quantum information science. However, the successful implementation of the perfect quantum state transfer also requires robustness under practically inevitable perturbative defects. Here, we demonstrate how an optimal and robust quantum state transfer can be achieved by shaping the spectral phase of an ultrafast laser pulse in the framework of frequency domain quantum optimal control theory. Our numerical simulations of the single dibenzoterrylene molecule as well as in atomic rubidium show that optimal and robust quantum state transfer via spectral phase modulated laser pulses can be achieved by incorporating a filtering function of the frequency into the optimization algorithm, which in turn has potential applications for ultrafast robust control of photochemical reactions.

Graphical abstract: Optimal and robust control of quantum state transfer by shaping the spectral phase of ultrafast laser pulses

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Publication details

The article was received on 23 Jan 2018, accepted on 02 Mar 2018 and first published on 05 Mar 2018


Article type: Paper
DOI: 10.1039/C8CP00512E
Citation: Phys. Chem. Chem. Phys., 2018,20, 9498-9506
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    Optimal and robust control of quantum state transfer by shaping the spectral phase of ultrafast laser pulses

    Y. Guo, D. Dong and C. Shu, Phys. Chem. Chem. Phys., 2018, 20, 9498
    DOI: 10.1039/C8CP00512E

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