Lattice Solitons in Optical Lattice Controlled by Electromagnetically Induced Transparency

被引：19

作者：

Pang, Wei ^{[1
]}

Wu, Jianxiong ^{[2
]}

Yuan, Zhonghui ^{[2
]}

Liu, Yan ^{[2
]}

Chen, Guihua ^{[3
]}

机构：

[1] Guangdong Univ Technol, Dept Expt Teaching, Guangzhou 510006, Guangdong, Peoples R China

[2] S China Agr Univ, Dept Appl Phys, Guangzhou 510642, Guangdong, Peoples R China

[3] Dongguan Univ Technol, Dept Elect Engn, Dongguan 523808, Peoples R China

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2011年 / 80卷 / 11期

关键词：

lattice soliton; discrete system; EIT; photon flux tuning; in-phase and out-of-phase modulation; DISCRETE SOLITONS; WAVE; DYNAMICS; MODES; STATE;

D O I：

10.1143/JPSJ.80.113401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An optical four-level atomic discrete system in a solid through optical induction is proposed. A theoretical scheme to produce lattice solitons (LSs) in the system is presented by means of the effects of enhanced self-phase modulation and the giant kerr effect in the electromagnetically induced transparency. The power density and the photon flux can be tuned to a very low level by the controlling field and the soliton can propagate with very slow group velocity. By changing the sign of the detuning Delta(1), both in-phase and pi out-of-phase LSs can be produced in this system.

引用

页数：4

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