期刊
OPTICS LETTERS
卷 47, 期 4, 页码 997-1000出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.449365
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资金
- National Key Research and Development Program of China [2019YFA0307702]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB21010400]
- National Natural Science Foundation of China [11834015, 12004391, 12121004]
- Science and Technology Department of Hubei Province [2020CFA029]
- China Postdoctoral Science Foundation [2019M662752, 2020T130682]
- K. C. Wong Education Foundation [GJTD-2019-15]
We report a novel double-quantum-zero-quantum two-dimensional coherent spectroscopy (2DCS) that allows direct detection of quantum coherence between multiparticle collective states. This technique provides a new avenue for studying the coherent coupling of highly excited states and many-body properties.
We report a novel, to the best of our knowledge, double-quantum-zero-quantum two-dimensional coherent spectroscopy (2DCS) that allows direct detection of the quantum coherence between multiparticle collective states. Through correlating the double-quantum coherence and the zero-quantum coherence, signatures for coherence between collective states can be well isolated as side peaks and readily identified in the 2D spectrum. The experiment is implemented in a vapor of rubidium atoms in a collinear 2DCS setup. Good agreement with a theoretical simulation using density matrix confirms the essential role of the interatomic correlation effect in generating the side peak signals. This 2D spectrum technique paves a new avenue for studying the coherent coupling of highly excited states and many-body properties. (C) 2022 Optica Publishing Group
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