In this thesis we propose to utilize an incoherent field to achieve the efficient control of atomic coherence effects.
本文提出利用非相干场可以有效地控制原子相干效应。
Compared with three-level atomic system, the atomic coherence effects in four-level can lead to EIT and EIA, which depend on the intensity of control light and the relaxation of the fourth level.
与三能级原子系统相比，四能级原子相干效应即可导致电磁感应透明的产生，也可产生电磁感应吸收现象，取决于控制光的强度和第四个能级衰变率的大小。
Constructive interference of atomic coherence leads to electromagnetically induced absorption, which is a new kind of coherent effects.
原子相干对吸收的相长干涉导致电磁诱导吸收，这是一类新的相干效应。
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