| 在热压缩态中测量相位算符的涨落 |
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| 引用本文： | 董传华.在热压缩态中测量相位算符的涨落[J].光学学报,1997,17(8):97-1001. |
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| 作者姓名： | 董传华 |
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| 作者单位： | 上海大学物理系 |
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| 摘 要： | 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，研究了热压缩压中测量相位涨落的两种压缩及其与温度的关系。
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| 关 键 词： | 测量相位算符 热压缩态 光子数 相位分量 |
| 收稿时间： | 1996/8/23 |
Quantum Correlated Twin Beams Generation Through an Intracavity Parametric Down conversion in a Pair of KTP |
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| Wang Hai,Xue Chenyang,Gao Jiangrui,Xie Chengde,Peng Kunchi.Quantum Correlated Twin Beams Generation Through an Intracavity Parametric Down conversion in a Pair of KTP[J].Acta Optica Sinica,1997,17(8):97-1001. |
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| Authors: | Wang Hai Xue Chenyang Gao Jiangrui Xie Chengde Peng Kunchi |
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| Abstract: | 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. |
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| Keywords: | parametric down conversion twin beams the squeezing of the intensity difference |
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