It is significant to understand the atomic coherence by studying the optical pumping spectrum.
研究光抽运光谱对理解原子相干作用有着重要意义。
On the resonance selective dressed excitation leads to half of maximal atomic coherence (0.25).
如果发生共振耦合，修饰态激发导致半最大原子相干（0.25）。
The optical detuning, injected field and atomic coherence can inhibit the chaos of the cavity field.
光场失谐量、注入光场和原子相干性可抑制混沌。
The influences of the initial atomic coherence and atomic coupling constant on the squeezing are discussed.
并讨论了原子的初始相干性及原子间的耦合常数对该压缩的影响。
Manipulation of atomic coherence now becomes an important technique to control quantum and even classical processes.
目前操纵原子相干性已经成为一种重要的控制量子和普通经典过程的技术。
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。
Atomic coherence is the result of interaction between light and materials, which leads to many important physical phenomenon.
原子相干效应是光与物质相互作用的结果，它导致了一系列重要的物理现象。
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。
The effects of the atomic coherence on the photon statistics of the micromaser injected with ultra-cold V-type three-level atoms are studied.
建立了超冷V型三能级原子注入的微波激射的腔场光子统计的量子理论 ，研究了原子相干性对光子统计性质的影响 。
The effects of atomic coherence on fiber amplifiers pumped by two lasers with different frequences are studied by using density matrix theory.
用密度矩阵的方法从理论上分析了不同频率的两个激光场混合泵浦的光纤放大器中，由光场诱导的原子相干效应。
The influences of the initial atomic coherence and dipole-dipole interaction on the squeezing effect were discussed by numerical calculations.
通过数值计算，讨论了原子的初始相干性及原子间偶极相互作用对该偶极压缩效应的影响。
For a strong cavity field, we proposed two schemes for controlling atomic tunnelling, that is atomic coherence control and velocity selection control.
对于原子透射的“开”与“关”，我们提出两种实现方案：原子的相干控制和速度控制。
IT is well known that Electromagnetically Induced Transparency (EIT) occurs because of the absorption cancellation by atomic coherence and interference.
我们知道电磁诱导透明(简称EIT)是原子相干对光吸收的相消干涉所致。
On the other hand, atomic coherence effect is an important topic in quantum optics and laser physics and it always has been one of hotspots in scientific research.
另一方面，原子相干效应是量子光学和激光物理学的重要课题，一直以来都是科学研究的热点之一。
We show the control of optical bistability and multistability via the atomic coherence induced by the microwave field in the presence of the antirotating wave coupling.
研究了在非旋波耦合条件下微波场建立的原子相干对光学双稳与多稳的控制。
Considering the initial atomic coherence and the detuning, dipole squeezing of a two-level atom interacting with squeezed vacuum field is studied by means of the time-evolution operator method.
文中采用时间演化算符，考虑到初始原子相干性及失谐量，研究了单个二能级原子与压缩真空态辐射场相互作用中原子的偶极压缩。
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。
We have found out the equation of density matrix evolution of the two-level atomic system in the classic electromagnetism field. The Law of coherence of the state is obtained.
求解了经典电磁场中二能级原子系统的密度矩阵演化方程，得到了系统状态的相干特性。
These results indicate that the quantum coherence properties of atom laser are completely identical to that of the initial light field interacting with the atomic BEC.
表明用光场诱导产生的原子激光具有与初始光场完全相同的量子相干性质。
These results indicate that the quantum coherence properties of atom laser are completely identical to that of the initial light field interacting with the atomic BEC.
表明用光场诱导产生的原子激光具有与初始光场完全相同的量子相干性质。
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