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Higher-order nonclassical effects generated by multiple-photon annihilation-then-creation and creation-then-annihilation coherent states |
Hong-Chun Yuan(袁洪春)1,3, Xue-Xiang Xu(徐学翔)2, Jin Xiao(肖进)1, Chao Xiong(熊超)1, Xi-Fang Zhu(朱锡芳)1,3 |
1. College of Electrical and Optoelectronic Engineering, Changzhou Institute of Technology, Changzhou 213002, China;
2. College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330022, China;
3. Changzhou Institute of Modern Optoelectronic Technology, Changzhou 213002, China |
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Abstract We explore two observable nonclassical properties of quantum states generated by repeatedly operating annihilation-then-creation (AC) and creation-then-annihilation (CA) on the coherent state, respectively, such as higher-order sub-Poissonian statistics and higher-order squeezing-enhanced effect. The corresponding analytical expressions are derived in detail depending on m. By numerically comparing those quantum properties, it is found that these states above have very different nonclassical properties and nonclassicality is exhibited more strongly after AC operation than after CA operation.
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Received: 19 July 2015
Accepted manuscript online:
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PACS:
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42.50.Dv
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(Quantum state engineering and measurements)
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42.50.-p
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(Quantum optics)
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03.65.-w
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(Quantum mechanics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11447002 and 11447202), the Natural Science Foundation of Jiangxi Province of China (Grant No. 20151BAB202013), and the Research Foundation for Changzhou Institute of Modern Optoelectronic Technology of China (Grant No. CZGY15). |
Corresponding Authors:
Hong-Chun Yuan
E-mail: yuanhch@126.com
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Cite this article:
Hong-Chun Yuan(袁洪春), Xue-Xiang Xu(徐学翔), Jin Xiao(肖进), Chao Xiong(熊超), Xi-Fang Zhu(朱锡芳) Higher-order nonclassical effects generated by multiple-photon annihilation-then-creation and creation-then-annihilation coherent states 2016 Chin. Phys. B 25 054202
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