Generation of bright three-color tripartite continuous variable entanglement via the sum-frequency generation

被引：7

作者：

Wang, J. F. ^{[1
]}

Xu, L. H. ^{[1
]}

Zhang, Y. N. ^{[1
]}

Gu, F. ^{[1
]}

Wu, H. Y. ^{[1
]}

机构：

[1] Nanjing Univ Informat Sci & Technol, Sch Phys Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 345卷

关键词：

NONLINEAR-INTERACTIONS; BEAMS;

D O I：

10.1016/j.optcom.2015.01.061

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We theoretically show that bright three-color tripartite continuous-variable entanglement can be generated directly by the process of triply resonant sum-frequency generation using a periodically poled supperlattice. It is demonstrated that two reflected pump beams and the output sum frequency beam are all entangled with each other according to the sufficient inseparability criterion for multipartite continuous variable (CV) entanglement. The dependence of the steady state region and the entanglement on system parameters are discussed. By utilizing the up-conversion process, the generated three entanglement fields have macroscopic intensities as soon as the pump fields are turned on. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：13 / 18

页数：6

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