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twin beams
相关语句
  孪生光束
    The Generation and the Measurement of High Power Twin Beams
    高功率孪生光束的产生与测量
短句来源
    2. The experimental principle and setup for preparation of sub-poissonian light with twin beams are introduced.
    2、介绍了利用孪生光束制备亚泊松光场的实验原理、实验装置,并给出实验结果与分析。
短句来源
    On the other hand, the transfer of intensity quantum correlation with two pairs of twin beams is also theoretically and experimentally investigated, which may promote the practicability of quantum information of continuous variables.
    同时,本文还详细介绍了利用两对孪生光束实现强度量子关联传递的理论推导及整个实验过程,以期望推动量子信息的实用化进程。
短句来源
    1. The generating of twin beams via OPO is introduced in detail.
    1、详细介绍了非简并光学参量振荡器产生孪生光束的物理过程,分析了其噪声特性,并介绍了其探测方法。
短句来源
    The specific contents are divided into three parts:1. The operation principle of doubly resonant Nondegenerate Optical Parametric Oscillator (NOPO) above threshold is described. The dependences of the twin beams quantum noise on the cavity parameters are analyzed.
    1、在理论上阐述了运转于阈值以上的双共振非简并光学参量振荡器(NOPO)的工作原理,分析了产生的非经典光场—孪生光束的量子噪声与NOPO腔参数的关系。
短句来源
更多       
  孪生光束
    The Generation and the Measurement of High Power Twin Beams
    高功率孪生光束的产生与测量
短句来源
    2. The experimental principle and setup for preparation of sub-poissonian light with twin beams are introduced.
    2、介绍了利用孪生光束制备亚泊松光场的实验原理、实验装置,并给出实验结果与分析。
短句来源
    On the other hand, the transfer of intensity quantum correlation with two pairs of twin beams is also theoretically and experimentally investigated, which may promote the practicability of quantum information of continuous variables.
    同时,本文还详细介绍了利用两对孪生光束实现强度量子关联传递的理论推导及整个实验过程,以期望推动量子信息的实用化进程。
短句来源
    1. The generating of twin beams via OPO is introduced in detail.
    1、详细介绍了非简并光学参量振荡器产生孪生光束的物理过程,分析了其噪声特性,并介绍了其探测方法。
短句来源
    The specific contents are divided into three parts:1. The operation principle of doubly resonant Nondegenerate Optical Parametric Oscillator (NOPO) above threshold is described. The dependences of the twin beams quantum noise on the cavity parameters are analyzed.
    1、在理论上阐述了运转于阈值以上的双共振非简并光学参量振荡器(NOPO)的工作原理,分析了产生的非经典光场—孪生光束的量子噪声与NOPO腔参数的关系。
短句来源
更多       
  孪生光束
    The Generation and the Measurement of High Power Twin Beams
    高功率孪生光束的产生与测量
短句来源
    2. The experimental principle and setup for preparation of sub-poissonian light with twin beams are introduced.
    2、介绍了利用孪生光束制备亚泊松光场的实验原理、实验装置,并给出实验结果与分析。
短句来源
    On the other hand, the transfer of intensity quantum correlation with two pairs of twin beams is also theoretically and experimentally investigated, which may promote the practicability of quantum information of continuous variables.
    同时,本文还详细介绍了利用两对孪生光束实现强度量子关联传递的理论推导及整个实验过程,以期望推动量子信息的实用化进程。
短句来源
    1. The generating of twin beams via OPO is introduced in detail.
    1、详细介绍了非简并光学参量振荡器产生孪生光束的物理过程,分析了其噪声特性,并介绍了其探测方法。
短句来源
    The specific contents are divided into three parts:1. The operation principle of doubly resonant Nondegenerate Optical Parametric Oscillator (NOPO) above threshold is described. The dependences of the twin beams quantum noise on the cavity parameters are analyzed.
    1、在理论上阐述了运转于阈值以上的双共振非简并光学参量振荡器(NOPO)的工作原理,分析了产生的非经典光场—孪生光束的量子噪声与NOPO腔参数的关系。
短句来源
更多       
  “twin beams”译为未确定词的双语例句
    A Detection Method of Small Phase Shift with Twin Beams for Sensitivity Beyond the Shot-Noise Limit
    一种低于散离噪声极限的微小相移测量方法
短句来源
    A mini all solid state system of non classical light generation has been experimentally demonstrated. The quantum correlated twin beams were generated from a semi monolithic nondegenerated optical parametric osaillator including an α cut KTiOPO 4 crystal pumped by an all solid intracavity frequency doubled Nd∶YVO 4/KTP laser (0.53 μm). The noise of the intensity difference between twin beams was reduced to 3.2 dB below the standard quantum limit.
    利用激光二极管 (LD)抽运的内腔倍频YVO4 KTP激光器发出的 0 .5 3μm的激光 ,经由α 切割的KTP晶体构建的半整块非简并连续光学参量振荡腔 (CWNOPO)内参量下转换 ,获得了强度量子相关非经典光场 ,其强度差噪声低于标准量子极限 3 .2dB ,抽运阈值低于 10mW。
短句来源
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  twin beams
We present a novel scheme to separate spatially twin beams generated by a type-I lithium niobate (LNB) optical parametric oscillator near frequency degeneracy.
      
We propose a QND-measurement of twin beams to improve the noise suppression achieved with squeezed states, which is currently limited by the finite sensitivity of the photo detectors.
      
QND-measurement of twin beams by phase sensitive preamplification
      
Operated with a vacuum meter input, both output beams are squeezed and 33% correlated, demonstrating individually squeezed twin beams.
      
We discuss recent progress in the study of the non-classical properties of light beams generated by non-degenerate parametric splitting in χ(2) nonlinear birefringent crystals, with special emphasis on their quantum correlation ("twin beams").
      
更多          


A new method using twin beams with the quantum correlation to detect the small phase shift has been suggested. It has been theoretically demonstrated that the sensitivity of measurement can be beyond the shot -noise limit. In principle the minimum measurable phase shift is able to reach to zero with the proposed regime.

本文提出一种利用量子相关孪生光束进行微小相移测量的新方法。并从理论上证明了该方法的相位测量精度不受散离噪声极限的限制。在理想情况下最小可测相移趋近于零。

The effect of transmission losses in detecction system and inefficient detectors on the intensity difference squeezing between the quantum correlated twin beams and the optical measurement precision beyond the Shot Noise Limit(SNL) have been discussed. The mathematical expression of detection efficiency has been deduced for the homodyne detection with unbalanced arms. The numerical computing based on the experimental parameters are correspondence with the experimental results quite well.

文章讨论了探测系统的传输损耗与非理想探测器对量子相关孪生光束强度差压缩度和低于散离噪声极限光学测量精度的影响,特别推导出两臂不平衡下探测效率的数学表达式,并结合实验参量进行了数值计算,理论分析与实验结果基本一致

The quantum correlated twin beams have bean generated by an optical parametric oscillator with a pair of KTP crystals, the total power of the output twin beams is 23 mW at the pump power of 300 mW. he quantum noise reduction of 50% (3 dB) in the intensity difference between the twin beams was observed near 1.25 MHz.

利用热场动力学的方法计算了热压缩态中测量相位算符的涨落。引入了两种类型的基础量子涨落,一种是与测量相位的两个正交分量相联系;另一种是与一个测量相位分量和光子数相联系。由此,研究了热压缩态中测量相位涨落的两种压缩及其与温度的关系。

 
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