光子学报, 2016, 45 (11): 1127002, 网络出版: 2016-12-06  

光场算符n次幂叠加激发混沌场的量子特性

Quantum Properties of the State via Operation of Superposition of Photon Subtraction n Times and Addition n Times on Chaotic Field
作者单位
武夷学院 机电工程学院, 福建 武夷山 354300
摘要
构造了光场算符n次幂叠加激发混沌场, 采用数值计算方法研究了该量子态的压缩效应、反聚束效应和统计性质, 讨论了混沌场平均光子数、算符叠加系数及其幂次n对量子特性的影响.研究结果表明: 光场算符n次幂叠加激发混沌场不呈现压缩效应, 但呈现出反聚束效应和亚泊松分布性质, 并且随平均光子数增大, 它的反聚束效应和亚泊松分布性质减弱; 随着算符组合部分中产生算符的比重增大, 光场反聚束效应和亚泊松分布性质增强; 随着算符幂次增大, 亚泊松分布性质加强.
Abstract
Superposition of photon subtraction and addition n times excited chaotic field was constructed. Using numerical methods, the squeezing, antibunching effect and statistical property of the quantum state were analyzed. The influences of the average photon number of chaotic field, superposition coefficient of operators and times of operators operation on its quantum properties were discussed. Numerical results show that the squeezing is not displayed, while the antibunching effect and sub-poissonian statistical property are displayed. Further, its antibunching effect and sub-poissonian statistical property are weakened with increase of average photon number of chaotic field. Its antibunching effect and sub-poissonian statistical property are strengthened as the ratio of photon operator addition in superposition operation increases. On the other hand, its sub-poissonian distribution property is strengthened with increase of times of operators operation.

卢道明. 光场算符n次幂叠加激发混沌场的量子特性[J]. 光子学报, 2016, 45(11): 1127002. LU Dao-ming. Quantum Properties of the State via Operation of Superposition of Photon Subtraction n Times and Addition n Times on Chaotic Field[J]. ACTA PHOTONICA SINICA, 2016, 45(11): 1127002.

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