Production and detection of ultracold Cs2 molecules via four-photon adiabatic passage

doi:10.1088/1674-1056/23/1/010308

Chin. Phys. B ›› 2014, Vol. 23 ›› Issue (1): 10308-010308.doi: 10.1088/1674-1056/23/1/010308

Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage

李健, 刘勇, 丛书林

School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China

收稿日期:2013-03-30 修回日期:2013-06-07 出版日期:2013-11-12 发布日期:2013-11-12
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10974024 and 11274056).

Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage

Li Jian (李健), Liu Yong (刘勇), Cong Shu-Lin (丛书林)

School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China

Received:2013-03-30 Revised:2013-06-07 Online:2013-11-12 Published:2013-11-12
Contact: Cong Shu-Lin E-mail:shlcong@dlut.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10974024 and 11274056).

摘要/Abstract

摘要： We study theoretically how to produce and detect the ultracold ground-state Cs₂ molecule from Feshbach state. Numerical calculations are performed by solving the quantum Liouville equation based on multilevel Bloch model. The producing efficiency reaches 55% and the detecting efficiency is 31%. The producing and detecting efficiencies are closely related to the Rabi frequencies of laser pulses. The decay of relevant electronic and vibrational states obviously reduces the producing and detecting efficiencies.

关键词: ultracold Cs₂ molecules, Liouville equation, density matrix, chainwise stimulated Raman adiabatic passage (STIRAP)

Abstract: We study theoretically how to produce and detect the ultracold ground-state Cs₂ molecule from Feshbach state. Numerical calculations are performed by solving the quantum Liouville equation based on multilevel Bloch model. The producing efficiency reaches 55% and the detecting efficiency is 31%. The producing and detecting efficiencies are closely related to the Rabi frequencies of laser pulses. The decay of relevant electronic and vibrational states obviously reduces the producing and detecting efficiencies.

Key words: ultracold Cs₂ molecules, Liouville equation, density matrix, chainwise stimulated Raman adiabatic passage (STIRAP)

中图分类号: (Other Bose-Einstein condensation phenomena)

03.75.Nt

42.65.Dr (Stimulated Raman scattering; CARS) 32.80.Qk (Coherent control of atomic interactions with photons)

李健, 刘勇, 丛书林. Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage[J]. Chin. Phys. B, 2014, 23(1): 10308-010308.

Li Jian (李健), Liu Yong (刘勇), Cong Shu-Lin (丛书林). Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage[J]. Chin. Phys. B, 2014, 23(1): 10308-010308.

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Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage

Production and detection of ultracold Cs₂ molecules via four-photon adiabatic passage

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