This system used for testing weak light is called single-photon counter.
这就是用于检测微弱光的单光子计数器。
A novel scheme to realize stable single-photon interference and router-control is demonstrated in this paper.
介绍一种光纤中稳定的单光子干涉以及单光子路由控制方式。
Orion, for example, operates near absolute zero, and previous attempts to build single-photon detectors have suffered similar constraints.
拿Orion来说，要在接近绝对零度下运行，而之前尝试建造单个光子检测器的努力同样受到类似的局限。
So the quantum statistical property of single-photon field in EIT can be optimized in different conditions when appropriate parameters are chosen.
由此可见选取合适的参量可优化电磁感应透明过程中单光子场的量子统计特性。
The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed.
两能级原子与外部环境(热库)相互作用时，采用非旋波近似，研究原子与热辐射场单光子和双光子作用过程。
The atoms had an effect called electromagnetically induced transparency (EIT), which enabled the scientists to separate the single-photon precursors from the main wave packet.
这些铷原子可以产生一种称为“电磁感应光透明”(EIT)的效应，可以帮助科学家从主波包中分离出单个光子前驱。
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。
A method combining pseudorandom modulation of the fiber laser and single-photon counting is proposed to realize a high spatial resolution for the space-borne laser altimeter.
为使星载激光高度计实现高空间分辨率，提出了一种联合采用伪随机码调制光纤激光器和单光子计数的测距方法。
But this study is the first to experimentally show that optical precursors exist at the single-photon level, and that they are the fastest part of the single-photon wave packet.
而这次的研究则是第一次用实验证明，在单个光子层次上也存在着光前驱，而且它们也是单个光子的波包中最快的部分。
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。
Three hours after receiving an injection of the radiopharmaceutical 123i-fp-cit, patients underwent single-photon emission tomography (SPECT) scanning to assess baseline dopamine transporter function.
在接受放射性药物123i - FP - CIT注射3小时后，患者进行了单光子发射断层扫描(SPECT)成像评估基线多巴胺转运体功能。
They also embedded quantum dots, tiny semiconductors that can emit a single photon at a time, in the waveguide as a proxy for atoms that could become entangled with the photons.
他们还在波导中嵌入了量子点(一种能释放单光子的微小半导体)作为代理来使原子与光子产生纠缠。
Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.
是的，事实上，这里的光子没有足够的能量，去从锌表面逐出一个电子。
Du, however, believed Einstein was right and determined to end the debate by measuring the ultimate speed of a single photon, which had not been done before.
然而，杜胜望相信爱因斯坦是正确的，他决心测量单个光子的极限速度，通过这一前无古人的实验来结束这场争论。
Compared to the complexity with which our conventional computers and networks function, the ability to store and retrieve a single photon might seem rudimentary.
和我们传统的电脑及网络功能的复杂性相比，这种存储和再现单个光量子的能力看上去还相当简陋。
The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
Light from the core gets scattered in this zone, so that a single photon often may take a million years to pass through.
从核心发出的光在这一区域发生散射，以至于一个光子可能要花100万年才能通过。
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 research direction and content of this article is based on the NSFC project -the development of picosecond time-correlated single photon counting (TCSPC) spectrometer.
本文的研究方向和内容是根据国家自然科学基金项目—皮秒时间相关单光子计数光谱仪研制来确定的。
Owing to the important role of single photon in quantum information process, the technique of generating single photon is developing.
由于单光子在量子信息科学中的重要作用，人们一直在探索实验制备单光子的技术。
Multiphotoelectron loss and its correction in single photon technique are discussed on the basis of probability theory.
本文从概率论出发讨论了单光子计数技术中多光电子的损失及其修正。
Objective To explore the route and mechanism of scalp acupuncture signs by means of molecular functional imaging technology of single photon emission CT.
目的：采用单光子发射CT分子功能影像技术探讨头皮针刺疗法信号传递的途径和原理。
The statistic characteristics of single photon emission in single semiconductor quantum dot with pulse excitation have been investigated.
研究了脉冲激发下单个半导体量子点中单光子发射的统计特性。
In single photon emission computed tomography (SPECT), accurately modeling of the physics of SPECT imaging process is essential to degrading factor compensation and image quality enhancement.
在单光子发射断层成像(SPECT)中，为了校正劣化因素的影响，提高图像质量，需要对SPECT成像的物理过程进行准确建模。
What has been discovered is that a single hormone molecule or neurotransmitter or a single photon of electromagnetic energy can trigger a cellular response.
已发现什么是单个分子或激素神经递质或单光子电磁能量可以引发细胞反应。
Now the most widely used nuclear medical instrument in clinic is Single Photon Emission Computed Tomography (SPECT).
目前临床上应用最广泛的核医学仪器是单光子发射型计算机断层，即SPECT。
The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.
该激光脉冲调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中，取得了比较理想的效果。
The laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.
该激光脉冲调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中，取得了比较理想的效果。
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