NEAR DIPOLE-DIPOLE EFFECTS IN LASING WITHOUT INVERSION - AN ENHANCEMENT OF GAIN AND ABSORPTIONLESS INDEX OF REFRACTION

被引:116
作者
DOWLING, JP
BOWDEN, CM
机构
[1] Weapons Sciences Directorate, AMSMI-RD-WS-ST, Research, Development, Engineering Center, U.S. Army Missile Command, Redstone Arsenal
关键词
D O I
10.1103/PhysRevLett.70.1421
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We include the effect of density-dependent near dipole-dipole interactions in order to generalize the theory of a simple three-level system that exhibits lasing without inversion and an enhanced index of refraction at zero absorption. For certain values of atomic density, our generalized theory predicts a novel enhancement of inversionless gain and absorptionless index by more than 2 orders of magnitude.
引用
收藏
页码:1421 / 1424
页数:4
相关论文
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