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Experimental realization of stimulated Raman shortcut-to-adiabatic passage with cold atoms

Nature Communications, ISSN: 2041-1723, Vol: 7, Issue: 1, Page: 12479
2016
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Article Description

Accurate control of a quantum system is a fundamental requirement in many areas of modern science ranging from quantum information processing to high-precision measurements. A significantly important goal in quantum control is preparing a desired state as fast as possible, with sufficiently high fidelity allowed by available resources and experimental constraints. Stimulated Raman adiabatic passage (STIRAP) is a robust way to realize high-fidelity state transfer but it requires a sufficiently long operation time to satisfy the adiabatic criteria. Here we theoretically propose and then experimentally demonstrate a shortcut-to-adiabatic protocol to speed-up the STIRAP. By modifying the shapes of the Raman pulses, we experimentally realize a fast and high-fidelity stimulated Raman shortcut-to-adiabatic passage that is robust against control parameter variations. The all-optical, robust and fast protocol demonstrated here provides an efficient and practical way to control quantum systems.

Bibliographic Details

Du, Yan-Xiong; Liang, Zhen-Tao; Li, Yi-Chao; Yue, Xian-Xian; Lv, Qing-Xian; Huang, Wei; Chen, Xi; Yan, Hui; Zhu, Shi-Liang

Springer Science and Business Media LLC

Chemistry; Biochemistry, Genetics and Molecular Biology; Physics and Astronomy

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