| 叠加激发对相干态的非经典特性 |
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| 引用本文： | 沈华嘉,黄纯青,江俊勤.叠加激发对相干态的非经典特性[J].光子学报,2002,31(10):1174-1177. |
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| 作者姓名： | 沈华嘉 黄纯青 江俊勤 |
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| 作者单位： | 1. 广东教育学院物理系,广州,510303
2. 佛山科学技术学院物理系,佛山,528000 |
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| 基金项目： | 广东省高校自然科学研究资助项目 (项目编号 :Z0 2 0 83) |
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| 摘 要： | 从激发对相干态出发,构造了叠加激发对相干态,研究了该叠加态的非经典特性.结果表明:在一定条件下,随着相位的变化,叠加态场模的平均光子数呈现类似于拉比振荡的坍塌与复原现象,与激发对相干态相比,在叠加激发对相干态中亚泊松光子统计特性和CauchySchwatz不等式的破坏都得到了增强,但正交相位分量的压缩减弱.
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| 关 键 词： | 叠加激发对相干态 光子数振荡 亚泊松光子统计特性 Cauchy-Schwatz不等式 破坏 正交相位分量压缩 |
| 收稿时间： | 2001-12-29 |
NONCLASSICAL PROPERTIES OF SUPERPOSITION OF THE EXCITED PAIR COHERENT STATE |
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| Abstract.NONCLASSICAL PROPERTIES OF SUPERPOSITION OF THE EXCITED PAIR COHERENT STATE[J].Acta Photonica Sinica,2002,31(10):1174-1177. |
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| Authors: | Abstract |
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| Institution: | 1. Department of Physics, Guangdong Institute of Education, Guangzhou, China 510303;2. Dapartment of Physics, Foshan University, Foshan , China 528000 |
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| Abstract: | The superposition state from the excited pair coherent state is constructed,and itsnoncla ssical properties are studied.The results show that under certain conditions,the mean photon number of the superposition state exhibits oscillating phenomenon of collapses and revivals in a manner similar to Rabi oscillation,both sub Poissonian photon statistical character and violation of the Cauchy Schwatz inequality in the superposition state are stronger than ones in the single excited pair coherent state,but the quadrature phase component squeezing of the field in the superposition state is weaker than one in the single excited pair coherent state. |
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| Keywords: | Superposition of the excited pair coherent states Photon number oscillation Sub Poissonian photon statistical character Violation of the Cauchy Schwatz inequality Quadrature phase component squeezing |
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