photon number

Oscillations in photon number distribution of even or odd coherent states with thermal noise

奇、偶相干热态中的振荡光子数分布

Mean photon number evolution of two coupling two-level atoms interacting with squeezed light field

耦合二能级双原子与压缩光场相互作用平均光子数的演化

Sum Frequency Generation With Photon Number Squeezed Light as Input

粒子数压缩态光场参与的和频过程

A simulation of the turn-on transient photon number fluctuation of semiconductor lasers

半导体激光器开启瞬态噪声的模拟计算

Quantum Nondemolition Measurement of Photon Number through Raman Process

利用Raman过程对光子数进行量子非破坏性测量

We consider the situation which an available photon number resolving detector placed at the receiver side .

研究了当光子数解析探测器置于接收端情况。

Fluctation of photon number in a two-photon laser by coherent pumping

相干泵浦双光子激光的光子数起伏

In particular , the case in which frequency Rabi oscillations is a linear function of the photon number is discussed .

特别讨论了拉比振荡频率与光子数成线性关系的情况。

The oscillation of photon number distribution and the purity in an odd or even coherent state are investigated with the characteristic function methods .

用特征函数方法讨论了奇、偶相干态在热混沌光场态影响下的光子统计性质.讨论表明，热光场态的影响使得奇、偶相干态纯度随参数变化呈现复杂的特性；

By numerical method , the influences of field parameters and Kerr effect on the atomic population inverse and average photon number are discussed detailedly .

采用数值计算的方法，详细讨论了光场参量和Kerr效应对原子布居反转和平均光子数的影响。

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 .

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。

The influences of the atom-field coupling constant and the mean photon number on the statistic properties of photon are noticeable .

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；

If a squeezed vacuum is injected into a cavity , almost perfect photon number squeezing can be obtained in the upper branch .

若向腔中注入压缩真空，可在双稳态的上支产生几乎完全的光子数压缩效应。

The results show that the fidelity of system , atoms and field will change depending on numerical value of the detuning and the mean photon number .

结果表明，不同的失谐量和初始平均光子数使得系统、原子和光场的量子信息保真度发生改变。

The properties of the quantum entanglement in the system rely on the atomic dipole-dipole interaction and the average photon number of the coherent field .

讨论两个原子偶极-偶极相互作用和单模光场平均光子数对系统中纠缠程度的影响。

The effect of nonlinearity interaction of Kerr medium and the average photon number of initial coherent field on the quantum properties of the atom are discussed .

详细地讨论了克尔非线性作用的强弱以及初始相干光场的强弱对原子反转和原子量子态的演化的影响。结果表明：克尔效应的增强使得原子反转演化的周期减小（gtR≈）；

The stronger the field is and the larger the damping constant and the average photon number could be , the more rapidly the nonlocality decreases .

场越强、平均光子数和衰退系数越大，非局域性减小得越快。

Whenever the optical fields are in entangled states or not , the squeezing effects will appear with two coherent states having the same mean photon number .

无论光场是否处于纠缠态，只有两模平均光子数接近时，光场才会出现压缩效应。

The mean photon number , the second-order coherence and the distribution of this optical cat state are derived in this paper and some properties of this state are presented .

本文推导两个成份的光学猫态的平均光于数，二阶相干度的表达式及猫态的光子数分布，揭示出猫态的某些性质。

We investigate the impact of the photon number , detuning and the system state vector on the bunching effect and anti-bunching effect , according to second-order correlation function .

根据二阶关联函数考察光子数、失谐量、系统态矢量初始条件对聚束效应和反聚束效应的影响。

When the external optical feedback is intermediate , the peak photon number of the ECSL behaves single period , multi-period or chaos for different modulation index .

当外部光反馈处于中度反馈时，当调制深度取不同值时，ECSL的光子数呈现单周期、多周期甚至混沌现象。

We derive an equation of motion for laser field in the type of Van der Pol equation when the photon number of the laser field is not too high .

在激光场的光子数不太高时导出一个普适的激光场vanderpol运动方程。

It is shown that such state can easily be achieved by controlling the interaction time of atom-cavity-field and the coupling constant without the detection of photon number within the cavity .

通过控制原子与腔场相互作用时间和耦合参数，无需对腔场态的探测，就可获得三原子的W态。

For a short time approximation , we prove that the LE is just an exponential function of the photon number variance in the photon-dressed atomic ensemble .

在短时近似下，我们证明，Loschmidt回波恰好是光场缀饰原子系综中光子数涨落的指数函数。

The influences of the atomic coherence , the average photon number and the relative phases of the field on the in-formation entropy squeezing of the atom are investigated .

具体考虑原子相干性、双模光场平均光子数和相对位相对原子信息熵压缩的影响。

The results show that the initial entanglement of two atoms , the average photon number of the field and the velocity of atoms affect the entanglement dynamics of the two atoms remarkably .

结果表明：两原子初始纠缠量、光场的平均光子数、光场的初始纠缠量和原子运动速度参量对两原子纠缠动力学有显著影响。

The influence of the initial mean photon number n of field , of the atom-field coupling sonstant λ and of the light frequency ω on the atomic population is also discussed .

讨论了初始场的平均光子数n（初始场强）、原子-光场的耦合系数λ和光场频率ω对粒子布居几率的影响；

Given the reasonable appraisal about Eve 's capabilities , offered detailed eavesdropping model and defence function , and researched the optimal mean photon number using revised delivery rate of distilled key bits .

在对窃听者的能力作出正确的评估之后，利用窃听及防护模型，并考虑使用修正后的净化密钥生成速率公式来研究最佳平均光子数。

Using the perturbation theory , we obtain its wave functions up to the first-order , and discuss the photon number distribution of the cavity field and the population inversion of the atom in the system .

重点讨论了在外场作用下腔场的光子数分布和原子的布局反转等统计性质。

γ radiographic technology has been used to detect the jams of ground pipelines . Results show that jam detection can be carried out conveniently by measuring the photon number of γ - ray .

用γ射线法对地面管道进行探堵研究，结果表明，通过测量γ射线的光子数，可方便地对地面管道实现探堵。