| Higher-order squeezing of quantum field and higher-order uncertainty relations in non-degenerate four-wave mixing |
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| 作者姓名： | 李希曾 苏保霞 柴路 |
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| 作者单位： | Department of Applied Physics, School of Science,Tianjin University, Tianjin 300072, China;Liu Hui Center for Applied Mathematics, Nankai University and Tianjin University, Tianjin 300072, China;CCAST (World Laboratory), Beijing 100080, China;Department of Applied Physics, School of Science,Tianjin University, Tianjin 300072, China;Liu Hui Center for Applied Mathematics, Nankai University and Tianjin University, Tianjin 300072, China;Ultrafast Laser Laboratory, School of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072,China |
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| 基金项目： | roject supported by Liu Hui Center for Applied Mathematics, Nankai University and Tianjin University, Tianjin(Grant No T15). |
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| 摘 要： |
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| 关 键 词： | 量子场 混频波 非线性退化 调制频率 |
| 文章编号： | 1009-1963/2005/14（09）/1828-06 |
| 收稿时间： | 3/1/2005 12:00:00 AM |
| 修稿时间： | 2005-03-012005-04-19 |
Higher-order squeezing of quantum field and higher-order uncertainty relations in non-degenerate four-wave mixing |
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| Li Xi-Zeng,Su Bao-Xia and Chai Lu.Higher-order squeezing of quantum field and higher-order uncertainty relations in non-degenerate four-wave mixing[J].Chinese Physics B,2005,14(9):1828-1833. |
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| Authors: | Li Xi-Zeng Su Bao-Xia and Chai Lu |
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| Abstract: | It is found that the field of the combined mode of the probe wave and the phase conjugate wave in the process of non-degenerate four-wave mixing exhibits higher-order squeezing to all even orders. The higher-order squeezed parameter and squeezed limit due to the modulation frequency are investigated. The smaller the modulation frequency is, the stronger the degree of higher-order squeezing becomes. Furthermore, the higher-order uncertainty relations in the process of non-degenerate four-wave mixing
are presented for the first time. The product of higher-order noise moments is related to even order number N and the length L of the medium. |
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| Keywords: | higher-order squeezing higher-order uncertainty relations quantum fields non-degenerate four-wave mixing |
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