本文研究在双光子场作用下二能级原子时间行为的精确解。
The exact solution of time behaviour of the two-level atom interacted with two-photon field is obtained.
由此可见选取合适的参量可优化电磁感应透明过程中单光子场的量子统计特性。
So the quantum statistical property of single-photon field in EIT can be optimized in different conditions when appropriate parameters are chosen.
一些粒子，犹如光子，本身很轻而只是光，能够挤过粘粘的希格斯场却没有获得质量。
Some particles, such as photons, which are weightless particles of light, are able to cut through the sticky Higgs field without picking up mass.
有经验的物理学家们这时已经可以控制单个的光子或者由极少数的光子组成的场。
Experimentalists now play with single photons or with fields made of a small controlled number of light quanta.
考虑单个二能级原子穿过两个空间分离的单模腔场，研究原子质心运动的动能、腔长和腔间距对原子的光子辐射率的影响。
We investigate the effecting factors of photon emission probabilities of the atom, which include the kinetic energy of the atom, the length of the cavity and the separation between the two cavities.
研究了光子晶体多模波导在非光子带隙区光场的传输特性。
The properties of the propagating field in multimode photonic crystal waveguides (PCWs) exhibiting no photonic band gaps (PBGs) are investigated.
在与电子纵向运动静止的坐标系中，把晶格场等效为虚光子。
In the reference system of the electron at rest, the crystal field is taken as virtual photon.
本文研究了具有A型跃迁结构的三能级原子与两个压缩态光场多光子相互作用过程中的一些量子效应。
Some quantum effects in the multiphoton interaction processes of a three-level A-shaped atom with two squeezed modes are studied in detail.
在新的色散关系下，用求解系统本征值的方法讨论了光子晶体中单个二能级原子的自发辐射形成的光场-原子束缚态的性质。
With this new dispersive relationship and solution, the trapped state of photon-atom of single two-level atom in photonic crystal is discussed.
分析原子的纠缠度对约化后光场性质的影响，结果表明纠缠度强烈影响光场的平均光子数分布和二阶量子相干性。
It is proved that the average photon Numbers and the second-order quantum coherence are dramatically influenced by the entangled degree of the atoms.
研究了一对纠缠的二能级原子与单模相干态光场的相互作用，得出平均光子数随时间的演化规律。
The mean photon number evolution of entangled atoms interacting with coherent state light-filed is given.
分别讨论了初始光场的平均光子数和失谐量对光场量子特性的影响。
The influences of initial average photon Numbers and the detuning are discussed.
研究了劣腔内二能级原子与单模腔场的双光子相互作用。腔内原子受外加相干光场驱动，并向一般真空态自发辐射。
The two photon interaction of a two level atom with a single mode radiation in a bad cavity is studied.
分析了双模光子数差、原子相干性及失谐量对场熵演化的影响。
The influence of two mode photon number difference, atomic coherent and detuning on the evolution of the field entropy has been discussed.
以线极化光场为例，得到了多光子共振电离公式，并与实验进行了比较。
Then the formula of the multiphoton resonance ionization in a linear polarization laser field was obtained and it is compared with the experiment.
研究了依赖强度耦合多光子J—C模型的演化算符，约化密度算符及其场熵特性。
The evolution opera tor, the reduce density operator and the dynamical properties of the field entropy evolution in the intensity - dependent coupling multiphoton J - C model are studied.
两能级原子与外部环境(热库)相互作用时，采用非旋波近似，研究原子与热辐射场单光子和双光子作用过程。
The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed.
利用正交函数法研究了光子晶体光纤的模场特性。
The field characteristics of PCF are analyzed using the orthogonal function method.
利用其特有的“无截止单模”特性，对大模场光子晶体光纤进行了设计。
Using its "endless single mode" characteristic, the PCF of large mode field has been designed.
这一方法是通过将光子晶体中每个柱体的散射场叠加起来而得到所求场的。
The method represents the fields in terms of scattered fields by each column of the photonic crystals.
通过数值计算分析了原子运动速度、场模结构参数和平均光子数对光场二阶相干度和模间相干度的影响。
The influence of atomic motion, the field structure and intensity of photons on second-order correlation function and two-mode correlation function are obtained by numerical calculation.
通过引入等效热传导率对光子晶体光纤结构进行简化，建立了光子晶体光纤激光器的三维温度场模型。
Equivalent thermal conductivity was introduced to simplify the structure of photonic crystal fiber, and then three dimensional temperature field model of photonic crystal fiber laser was established.
着重分析了热态光场在此作用过程中所展现出的光子统计特性。
We also study the photon statistic properties of thermal radiation field in the process.
可以看出热态光场的平均光子数和多光子跃迁对光场非经典性质有强烈的影响。
It can be find that average photon number of thermal radiation field and multi-photon transition process have intense influence on the non-classical properties.
发现腔场谱结构不仅与初始场强有关，还随初始场光子数分布的变化而改变。
It is found that the spectra are influenced sensitively by the initial field intensity and the photon number distribution.
平均光子数、场模与原子耦合常数的变化对光子统计性质的影响也很明显；
The influences of the atom-field coupling constant and the mean photon number on the statistic properties of photon are noticeable.
在受驱动光学系统中增设内腔多光子吸收元件是抑制腔场噪声的有效手段。
A intracavity multiphoton absorber in driven optical systems is a effective means to depress the internal field fluctuation.
而当脉冲宽度一定时，随着腔场的平均光子数的增大原子的崩塌时间和回复周期逐渐减小。
When the pulse width is fixed, the time of collapse and revival period are reduced gradually with the increase of pulse width in the field.
而当脉冲宽度一定时，随着腔场的平均光子数的增大原子的崩塌时间和回复周期逐渐减小。
When the pulse width is fixed, the time of collapse and revival period are reduced gradually with the increase of pulse width in the field.
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