| 1. | Electromagnetically induced transparency and slow group velocity in pr3 y2sio5 crystal
晶体中电磁感应光透明及群速度减慢 |
| 2. | One - photon detuning tolerance for large kerr nonlinearity and photon switching via electromagnetically induced transparency
非线性和光子开关的单光子失谐容限 |
| 3. | 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。 |
| 4. | So we can say destructive interference of atomic coherence leads to electromagnetically induced absorption , constructive coherence of atomic coherence leads to electromagnetically induced transparency
因此，我们可以确切地说，原子相干对吸收的相长干涉产生电磁诱导吸收，原子相干对吸收的相消干涉导致电磁诱导透明。 |
| 5. | Many novel physical phenomena such as coherent population trapping , lasing without inversion , electromagnetically induced transparency as well as spontaneous emission cancellation and enhancement based on quantum interference have been discovered
基于量子干涉效应，产生了许多新的物理现象和效应，如相干布居捕获、无反转激光、电磁感应透明和自发辐射相消等。 |
| 6. | This result is not in contradiction to the case of electromagnetically induced transparency where coupling field linewidth gives rise to or increases absorption , and linewidth is still suppresses the coherence of system
虽然在两种情况下，发生的现象完全不同，但是线宽的这两种效应是一致的，即线宽的两种不同作用都是导致退相干，并非简单地认为线宽总是引进或者增强吸收。 |
| 7. | Recent studies have shown that the quantum coherent population trapping , electromagnetically induced transparency , index enhancement without absorption , etc . these new effects have great potential for the control of the coherence properties of a medium , the production of high frequency lasers , the information storage and high precision measurements
最近的研究表明，原子相干产生很多新的效应，如相干布居捕获、无反转激光、折射率增强、电磁诱导透明、电磁诱导吸收等。这些新效应对光学介质相干性质的控制、高频激光的产生、光信息存储和高度测量等方面具有巨大的应用前景。 |
| 8. | It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile . in addition , the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed . in the molecular multi - level system with the perturbed superposition levels , we discuss the electromagnetically induced transparency , spontaneous emission enhancement , double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation
针对实际的实验条件，考虑了一种影响量子干涉的新的因素-四波混频场，研究了四波混频场对双光子探测的-型能级体系的eit的影响，发现四波混频场能够导致双光子探测的eit线型的不对称，在此基础上，讨论了不同探测场的传播方式对eit的影响，针对分子中实际存在的包含有微扰能级的不同多能级系统，我们分别采用缀饰态绘景下的密度矩阵方程和weisskopf - wigner近似下的密度矩阵方程详细地讨论了电磁感应透明、自发辐射的干涉相消和相长、双暗态共振和双电磁感应透明现象。 |
| 9. | Recent studies have shown that the quantum coherence and interference have led to a lot of new effects such as coherent population trapping , electromagnetically induced transparency , index enhancement without absorption , etc . these new effects have great potential for the control of the coherence properties of a medium , the production of high frequency lasers , the information storage and high precision measurements
最近的研究表明，原子相干产生许多新效应，如相干布居捕获、无反转激光、电磁诱导透明、折射率增强等。这些新效应对光学介质相干性质的控制、高频激光的产生、光信息存储和高度测量等方面具有巨大的应用前景。 |
| 10. | In this paper we have done two work , one is we , in the dressed states representation , reveal that the constructive interference of atomic coherence on absorption leads to electromagnetically induced absorption , which is in sharp contrast to the case in which destructive interference of atomic coherence gives rise to electromagnetically induced transparency and the other is we reveal that coupling field linewidth inhibits electromagnetically induced absorption , by employing a four - level system in which three transitions are in n configuration and the middle transition serves as a probe transition
本文主要做了两方面的工作：一是在修饰态表象中揭示修饰态原子相干对吸收的相长干涉产生电磁诱导吸收，这与修饰态原子相干对吸收的相消干涉导致电磁诱导透明的情形形成鲜明的对照。二是在裸态中，引入耦合场的线宽，从而发现耦合场的线宽抑制电磁诱导吸收。首先研究电磁诱导吸收。 |
