Ultraslow solitons due to large quintic nonlinearity in coupled quantum well structures driven by two control laser beams

被引：22

作者：

Shwetanshumala, S. ^{[1
,2
]}

Konar, S. ^{[1
]}

Biswas, Anjan ^{[3
]}

机构：

[1] Birla Inst Technol, Dept Appl Phys, Ranchi, Jharkhand, India

[2] AN Coll, Dept Phys, Patna, Bihar, India

[3] Delaware State Univ, Dept Math Sci, Dover, DE 19901 USA

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2013年 / 111卷 / 01期

关键词：

OPTICAL SOLITONS; PROPAGATION; BEHAVIOR;

D O I：

10.1007/s00340-012-5306-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we have shown the existence of large amounts of quintic nonlinearity in asymmetric three-coupled quantum wells, which arise due to a probe pulse and two controlling laser beams. The possibilities of generation and propagation of ultraslow bright optical solitons in these systems have been examined in situations of both Kerr and quintic nonlinearities. We have also demonstrated numerically that these solitons are stable. The modulation instability of a continuous or quasi-continuous wave probe beam has been also investigated and the role of quintic nonlinearity in suppressing this instability has been addressed.

引用

页码：53 / 64

页数：12

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