Currently, there are two main ways to prepare a single-photon source.
目前实验上所用的单光子源，主要有两类。
This set-up is made of hyper-entangled photon source, linear optical elements and conventional photon detectors.
实验装置由超纠缠光子源，线性光学器件和常规的光子探测器组成。
The advanced photon source, especially the synchrotron radiation photon exited from undulator is equipped with extremely high power density.
第三代同步辐射光源，尤其是由波荡器引出的同步辐射光，具有极高的功率密度。
So in this paper, the optimal situation of the decoy state protocol applied to the QKD system with heralded single photon source (HSPS) is complemented and extended.
现在诱惑态已被证明是一种可以大大提高量子密钥分发安全性能的现实可行的方法。
A method of generating the single-photon entangled states of a single photon state and a vacuum state through utilizing optical beam-splitter and single-photon source is described.
使用光学分束器和单光子源，利用单光子态和真空态制备出了纠缠单光子态。
This is because the scattered photon energy flux from the atmosphere scattering near the source preponderate over the absorption.
这是由于源附近大气对光子散射到达探测点的注量超过大气对光子的吸收所致。
The proposed photon virtual source model is suitable for accurately simulating arbitrary shape and intensity distributions of external beam.
本文提出的光子虚拟源模型能够较为精确地模拟计算任意形状和强度的外照射放射治疗射束分布。
The result shows that the counts in characteristic peak regions increase as the source size increase, and its trends of change with radius of source is almost same as that of photon fluence.
结果表明特征能区的计数随源的半径增加而增加，并且其的变化趋势跟光子注量的变化趋势一致。
A photon virtual source model was developed for simulating arbitrary shape and intensity distributions of external beam using Monte Carlo method.
本文应用蒙特卡罗算法建立了一个光子虚拟源模型，用于模拟计算任意形状和强度的外照射放射治疗的射束分布。
Quantum dot optic microcavity device had potential application in field of quantum information technology using as the low threshold laser and single photon light source etc.
量子点光学微腔器件在低阈值激光器和单光子光源等量子信息处理技术领域有重要的应用前景。
The probability of multi-photon pulse in weak coherent source can be decreased by canceling two photon pulses to improve the security distance.
通过削除弱相干光源中的两光子脉冲，降低多光子脉冲的影响，从而提高安全通信距离。
Through the clever use of mirrors and some smart science, researchers there have created a wholly new source of light by cooling photons to the point that they condense into a "super photon."
通过巧妙地应用镜子和精妙的科学方法来冷却光子至“超级光子”状态，科学家们创造出了一种全新的光源。
So it's a nice solution that a photon counter can be calibrated conveniently by the LED weak standard light source.
使用发光二极管制成标准光源来进行校验和标定光子计数器是一种较好的解决方法。
So it's a nice solution that a photon counter can be calibrated conveniently by the LED weak standard light source.
使用发光二极管制成标准光源来进行校验和标定光子计数器是一种较好的解决方法。
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