The localization of light in a 2D quasi-periodic coherently prepared atomic medium

被引：2

作者：

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

Cheng, J. ^{[2
]}

Chen, B. ^{[1
]}

机构：

[1] Shanghai Univ Sci & Technol, Dept Phys, Shanghai 200093, Peoples R China

[2] S China Univ Technol, Dept Phys, Guangzhou 510640, Guangdong, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 336卷

基金：

中国国家自然科学基金;

关键词：

Electromagnetically induced transparency; Quantum coherently control; Localization; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; ANDERSON LOCALIZATION; LATTICES;

D O I：

10.1016/j.optcom.2014.09.056

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the localizalion of light in two-dimensional (2D) atomic systems. The system proposed in this paper is a resonant cold atomic ensemble with N configuration, which is coherently prepared by four pairs of control fields. Under the condition of the electromagnetically induced transparency, the propagation of the signal field is modelled as a system that is uniform along the propagating direction (z) but shows quasi-periodic structure on the transverse plane (x-y plane). Through numerical simulations, we find that the 2D quasi-periodic coherently prepared atomic medium can make the signal field anisotropic localized transversely during the propagation, and the localization direction can be manipulated by the phase of the control held. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：34 / 39

页数：6

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