Electromagnetically induced transparency in a three-level lambda system with permanent dipole moments

被引：17
作者：
Zhou, Fengxue [1 ]
Niu, Yueping [1 ]
Gong, Shangqing [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab High Field Laser Phys, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
来源：
JOURNAL OF CHEMICAL PHYSICS | 2009年 / 131卷 / 03期
基金：
中国国家自然科学基金;
关键词：
molecular moments; molecule-photon collisions; quantum optics; self-induced transparency; ROTATING WAVE APPROXIMATION; ELECTRIC-FIELD; REDUCED ABSORPTION; ATOMIC-HYDROGEN; POLAR-MOLECULES; LASER; HCN; ISOMERIZATION; EXCITATIONS; GENERATION;
D O I：
10.1063/1.3176018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Electromagnetically induced transparency in a three-level Lambda-type molecular system with nonzero permanent dipole moments is investigated. It is shown that in the (2+2)-transition processes, when the sign of d(21), the difference in permanent dipole moments of the probe transition, is positive, perfect electromagnetically induced transparency with steep normal dispersion could be obtained under specific conditions. In contrast, when the sign of d(21) is negative, surprisingly gain without inversion with steep anomalous dispersion could be attained.
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页数：6
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