Using a photon counting apparatus as a device to measure light intensity, wave particle dualism of light is demonstrated by measuring photon distribution of double slit diffraction.
用光子计数仪作光强检测装置，通过测量衍射后的光子计数的空间分布来演示光的波粒二象性。
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。
Theoretical model of single photon acquisition probability is established for free-space quantum key distribution.
建立了一种自由空间量子密钥分配的单光子捕获概率理论模型。
It is found that the spectra are influenced sensitively by the initial field intensity and the photon number distribution.
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。
Object: Using computer to calculate average energy lost by photons at every points in each body, in order to determine the dose distribution of photon radiation in the water phantom.
目的：用电脑计算在每个物体中每点处点源释放出的原始光子和平均能量损失，以获得光子线在水模体中的剂量分布情况。
In order to study the mechanism of electrical discharge machining (EDM), the energy distribution of cathode and anode was calculated based on photon emission.
为了研究电火花加工过程的机理，基于光子发射计算了阴极、阳极的能量分布。
We discussed the interaction between a photon and the atmosphere, and simulated the quantum key distribution protocol between atmospheric channels using the quantum computation language.
讨论了光子与大气的相互作用，利用量子计算语言对大气信道中的量子密钥分配进行了仿真。
There are three main non-classical features for quantum field, i. e. photon anti-bunching effect, sub-Poissonian statistics distribution, and squeezing effects.
量子光场主要存在三种非经典效应：光子反聚束、亚泊松分布和压缩效应。
The curve of the spatial distribution of the photon velocity is obtained with numerical method.
用数值方法得到了光子速度的空间分布曲线。
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
分析了泵浦光的谱宽以及测量所选用的滤波器的带宽对下转换产生的信号光和闲置光分布范围影响。
Highly attenuated laser pulses with Poisson distribution are used as single-photon sources and the BB84 and B92 protocols are used for free-space quantum key distribution.
在自由空间量子密钥分配中，单光子源采用具有泊松分布的高度衰减激光脉冲，量子密码术协议采用BB 84和B92协议。
Entangled photon pairs are the critical resources in quantum key distribution (QKD) system.
纠缠光子源对于量子密钥分发系统至关重要。
Due to the limit of response speed of the present single-photon detector, the code rate is still too low to come into practical use for the present quantum key distribution (QKD) system.
由于单光子探测器响应速率的限制，目前的量子密钥分配系统的码率很低，限制了它的实际应用。
Analysis indicates the importance of precise temperature control of single-photon detector used for quantum key distribution in infrared communication wavelengths.
分析了在红外通信波段对量子密钥分配的关键器件单光子探测器进行精密温度控制的必要性。
Firstly, based on the analysis of some implementations of BB84 protocol, we developed a scheme of quantum key distribution by using polarization encoding and only one single photon detector.
首先，在研究BB 84协议各种具体实现方法的基础上，提出了一种基于偏振编码的量子密钥分发方案，该方案仅使用一台单光子探测器。
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;
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;
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；
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