Effect of concentration of Er3+ ions on ultra-large index of refraction via atomic coherence in Er3+:YAG crystal

被引：0
|
作者：
Zhang, HF
Dai, ZW
Zhang, B
Wu, JH
Gao, JY [1 ]
机构：
[1] Jilin Univ, Coll Phys, Changchun 130023, Peoples R China
[2] Jilin Univ, Minist Educ China, Key Lab Coherent Light Atom & Mol Spect, Changchun 130023, Peoples R China
[3] Mudanjiang Teachers Coll, Dept Phys, Mudanjiang 157012, Peoples R China
来源：
CHINESE PHYSICS | 2003年 / 12卷 / 09期
关键词：
electromagnetically induced transparency; concentration; high index of refraction with zero absorption;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A four-level system is proposed to produce large index of refraction accompanied by vanishing absorption in the Er3+-doped yttrium aluminium garnet (YAG) crystal. It is found that the high index of refraction with zero absorption can be provided by adjusting the incoherent pumping, the coherent field, as well as the concentration of Er3+ ions in the crystal. Furthermore, the value of the incoherent pump to achieve the high index of refraction with zero absorption is greatly changed with increasing the concentration of Er3+ ions in the crystal. This indicates that the effect of concentration on the high index of refraction with zero absorption cannot be neglected.
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页码：964 / 970
页数：7
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