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.
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.
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.
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;
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.
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.
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.
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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