DC-field-induced resonance and polarization effects in two-colour frequency mixing in atoms

被引：7
|
作者：
Manakov, NL [1 ]
Ovsiannikov, VD [1 ]
机构：
[1] Voronezh State Univ, Dept Phys, Voronezh 394693, Russia
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2000年 / 33卷 / 11期
关键词：
D O I：
10.1088/0953-4075/33/11/306
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In a gas of free atoms interacting with a two-colour laser radiation, a DC electric field provides the necessary conditions for generation of sum-frequency radiation, together with a resonance enhancement of the frequency conversion process. The interference between the DC-field-induced and the dipole-forbidden three-photon amplitudes causes circular dichroism effects in the scattering of the sum-frequency photons at right angles to the incident laser beams. The DC-field-induced resonance effect is strongly dependent on the frequency detuning and the width of the resonant levels.
引用
收藏
页码：2057 / 2073
页数：17
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