摘要
利用电磁感应透明效应(EIT)在87 Rb冷原子介质中进行了光学信号存储释放的实验研究。测量了信号光存储效率随冷却系统中再泵浦光功率的变化关系。结果表明:当再泵浦光从零开始增大时,存储效率随之增大而增大;再泵浦光功率超过一定强度时,存储效率开始降低。一个简单的分析说明了上述存储效率与再泵浦光强的关系。
By using electromagnetically induced transparency（EIT）,we realized the optical signal storage and release in 87 Rb cold atom medium.We have got the curve of storage efficiency as a function of the repumping intensity in cooling system.Experimental results showed that：the storage efficiency increases with the repumping intensity,when it increases from zero;if the repumping intensity exceeds a certain intensity,the storage efficiency begins to decrease.A simple analysis interpreted the relationship between storage efficiency and the repumping intensity.
出处
《量子光学学报》
CSCD
北大核心
2013年第4期340-345,共6页
Journal of Quantum Optics
基金
国家基础研究项目基金(2010CB923103)
国家自然科学基金(10874106
60821004
11274211)
关键词
冷原子
电磁感应透明
光学厚度
存储效率
cold atoms
electromagnetically induced transparency
optical density
storage efficiency
