1) parametric down-conversion (PDC)
参变下转换
1.
The degenerate parametric down-conversion (PDC) photons with wavelengths of 702 nm were produced and by tuning crystal angle,nondegenerate PDC photons with wavelengths of 633nm and 789nm were also produced.
介绍了一种新型的基于参变下转换效应的光辐射绝对定标方法,利用固体钛宝石激光器倍频后产生的351nm的激光光源抽运非线性BBO晶体,制备了一对简并的参变下转换光子对(波长为702nm),并利用晶体的角度调谐特性,制备了另一对非简并的参变下转换光子对(波长为633nm和789nm)。
2) parametric down conversion
参量下转换
1.
A pair of light quanta called signal and idler light quanta is produced through the nonlinear process of type Ⅰ spontaneous parametric down conversion with Ti∶sapphire femtosecond pulses.
利用钛宝石飞秒激光超短脉冲抽运BBO晶体 ,产生Ⅰ型自发光参量下转换的双光子对 ,在实验上得到双光子对的四阶干涉现象 ,证明了双光子纠缠态的关联特性。
3) parametric down-conversion
参量下转换
1.
Theoretical analysis of spectral properties of parametric fluorescence via spontaneous parametric down-conversion
基于自发参量下转换产生参量荧光的光谱分布特性理论分析
2.
After the master equation is discussed,suitable conditions for the system realize parametric down-conversions(PDC) process are obtained.
通过二阶微扰理论得出体系运动的主方程,通过对主方程的讨论得出体系实现参量下转换过程的条件,并且在修饰态表象中分析了这一体系实现参量下转换过程的物理原因,指出参量下转换过程的实现与强弱主要由通道的跃迁来决定。
4) spontaneous parametric down-conversion
自发参量下转换
1.
The spontaneous parametric down-conversion (SPDC) light field is generated by the combined action of a monochromatic flux of pumping photons and quantum vacuum noise on a nonlinear crystal with no center of symmetry.
自发参量下转换 (spontaneousparametricdown conversion ,SPDC)光场是基于单色泵浦光子流和量子真空噪声对非线性晶体的综合作用而产生的 ,它固有的量子起源决定了在非经典光场研究中的重要地位和作用。
2.
The development of preparing two-photon entangled state by spontaneous parametric down-conversion, its principle and use in quantum information are described, and the domestic progress in this fieldis introduced.
叙述了自发参量下转换制备双光子纠缠态技术的发展历程、技术原理以及在量子信息学中的应用,并介绍了国内这一领域的进展。
3.
Preparation of high-brightness polarization-entangled photon source by usingspontaneous parametric down-conversion (SPDC) processEntangled photon pairs are important resource in optical quantum informationprocessing and high-brightness entangled photon pairs are essential in multi-photonquantum information
自发参量下转换过程制备高亮度的偏振纠缠光子源纠缠光子对是光学量子信息处理过程中最为重要的资源,而高亮度的纠缠光子则是多量子比特光学量子信息处理过程中必不可少的。
5) SPDC
自发参量下转换
1.
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
并将理论结果与飞秒脉冲泵浦的自发参量下转换(SPDC)实验进行了对比,理论与实验基本吻合。
6) spontaneous parametric down conversion
自发参量下转换
1.
A new method of absolute calibration of photodetector′s sensitivity based on spontaneous parametric down conversion (SPDC) biphoton field is discussed.
讨论自发参量下转换双光子场的产生机理，提出一种基于自发参量下转换双光子场绝对测量光电探测器量子效率的新方法。
补充资料：可转换证券的转换价值
可转换证券的转换价值——
如果一种可转换证券可以立即转让，它可转换的普通股票的市场价格与转换比率的乘积就是可转换证券的转换价值，即转换价值等于普通股票的市价乘以转换比率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条