Spatial-temporal dynamics of stimulated Raman scattering: Effects of populations and two-photon detuning

被引：0
|
作者：
Ooi, C. H. Raymond [1 ]
Huang, Yuzhao [1 ]
Lee, Jong Wey [1 ]
机构：
[1] Univ Malaya, Fac Sci, Dept Phys, Kuala Lumpur 50603, Selangor, Malaysia
来源：
PHYSICS OPEN | 2024年 / 19卷
关键词：
Stimulated raman; Spatial-temporal; Heisenberg-Langevin; Populations; COHERENCE PROPERTIES; ATOMIC ENSEMBLES; QUANTUM-THEORY;
D O I：
10.1016/j.physo.2024.100211
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A quantum theory of stimulated Raman scattering is established that takes into account the time-dependence of pump laser pulse, two-photon detuning and atomic populations, allowing the general transient and spatial propagation study of Raman memory. Heisenberg-Langevin and Maxwell equations for the collective atomic operators are solved analytically under adiabatic condition, where the electric field envelopes and the collective atomic operators vary slowly. The analytical solution of Stokes/anti-Stokes signal electric field operator is obtained. The spatial-temporal intensity of quantum signal field is studied numerically and analytically for different two-photon detunings and initial populations.
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页数：8
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