我们还发现，亚泊松分布对热平衡光子数很敏感。
We also find that the sub-Poissonian distribution is sensitive to the thermal photons.
本文证明光泵三能级原子体系可以产生光子数压缩态。
In this paper, we show that the photon-number squeezed state can be generated by optically pumped three-level atomic system.
随相干光场平均光子数的增加粒子数反转的振荡频率增大；
With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.
光子数很大时，全量子理论结果与半经典理论结果是一致的。
In the case when the number of photons are very large, the result obtained in quantum theory consists with the result obtained in semiclassical theory.
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.
最好的问题是如果我们，按照给定的强度照射60秒，那么总的光子数是多少？
So our last question we ask is what's the total number of photons emitted if we give this given intensity for 60 seconds?
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.
在强经典场的作用下，演化算符与光子数无关，因此方案对热场不敏感。
The photon-number-dependent parts in the evolution operator are cancelled with the assistant of a strong classical field, so the scheme is insensitive to the thermal field.
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.
该方案所使用的器件包括分束器和可以区分奇偶光子数的理想光子探测器。
The devices used are beam splitters and ideal photon detectors capable of distinguishing between odd and even photon numbers.
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.
平均光子数越大，原子和光场的相互作用就越强，系统和原子的保真度就越小。
Results show that the less the Stark shift is, which will weaken the interaction between the field and atom, and the higher the fidelities of the three systems are.
在一定条件下，场可展示锁相和位相压缩效应以及保持光子数-位相最小确定态。
Under certain conditions, the phase locking and squeezing are behaved, and the number- phase uncertainty product becomes the minimum for a coherent state.
泵浦半径越大，振荡光初始光子数横模结构波动引起的输出脉冲峰值功率波动越大；
The greater the pumping radius is, the greater the fluctuation of output pulse peak power caused by the fluctuation of oscillating light initial photon number mode distribution will be;
结果表明：编码条所接收到的光源发射的光子数目大约占发射光子数的16.3%。
The results show that the amount of the light that the code strip received is about 16.3% of the total light that the LED of the encoder emits.
本文采用分段方法，利用光子数平衡原理建立了半数值双包层掺稀土光纤放大器理论模型。
In this paper a new semi-numeral model for double-clad fiber amplifier according to principle of photons balance was given.
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.
结果显示，如果腔损耗很弱，热库的平均光子数很小，系统会周期性地展现出量子非局域性。
It is found that if the cavity dissipation is very weak and the average photon number of thermal environment is very small, the atom-field state can exhibit quantum nonlocality periodically.
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.
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.
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。
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.
所以，如果我们有一个高强度，我们就是在讨论每秒钟，有更多的光子数，同样理解它不代表什么，也是很重要的。
So, if we have a high intensity, we're talking about having more photons per second, and it's important to know also what that does not mean.
当加光子相干态的平均光子数较大时，原子线性熵呈现崩塌与回复现象，其回复周期随加光子数的增加而增加，与原子的初态无关。
With the increasing of the mean photon number, the revival period increase. The atom collapses to a unique pure state regardless of the initial atomic conditions.
研究了与灰体辐射场相互作用的J-C模型中场的线性熵的演化规律，讨论了腔体吸收系数、入射场的光子数分布、热场的平均光子数对场的线性熵的影响。
The evolutional rules of linear entropy of field in the model of Jaynes-Cumming(JC) that acts each other with radiation field of a grey body are studied.
通过求解主方程系数矩阵的本征值与本征矢，我们计算了入射原子团中包含一到四个原子时腔场的光谱与平均光子数，其中着重对单原子与二原子的数值结果作了讨论。
We also calculate the spectra of the cavity field numerically via the eigenvalues and the eigenvectors of the mazer master equation for the case with the number of atoms from one to four.
利用速率方程理论，得到包含激光增益介质反转密度、光子密度和饱和吸收介质基态布居数密度的速率方程组。
Using rate equation theory, the equation group including the population inversion density of the gain medium, photon density and the absorber ground state population density is acquired.
利用速率方程理论，得到包含激光增益介质反转密度、光子密度和饱和吸收介质基态布居数密度的速率方程组。
Using rate equation theory, the equation group including the population inversion density of the gain medium, photon density and the absorber ground state population density is acquired.
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