Quantum beats of vibrational modes in both the low and high wavenumber regions studied by fs-CARS |
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| Authors: | Xin Du Xing He Yunfei Song Yang Wang Yuqiang Liu Lilin Jiang Mingfu Zhang Yanqiang Yang |
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| Institution: | 1. Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150080, China;2. College of Foundation Science, Harbin University of Commerce, Harbin 150028, China;3. Center for Composite Materials, Harbin Institute of Technology, Harbin 150080, China |
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| Abstract: | We have studied the quantum beats of vibrational modes in different phase samples by employing femtosecond time-resolved coherent anti-Stokes Raman scattering (fs-CARS) technique. The temporal chirped white-light continuum (WLC) is used for the Stokes pulse, we have achieved the selective excitation of vibrational modes in both the low and high wavenumber regions without complicated laser system, and observed quantum coherence between vibrational modes. This work is of special significance to enhance our understanding of quantum coherence and develop the applications of quantum technologies. |
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