Quantum dot semiconductor laser with optoelectronic feedback

被引：14
作者：
Ghalib, Basim Abdullattif [2 ]
Al-Obaidi, Sabri J. [3 ]
Al-Khursan, Amin H. [1 ]
机构：
[1] Thi Qar Univ, Coll Sci, NNRL, Nassiriya, Iraq
[2] Babylon Univ, Sci Coll Women, Laser Phys Dept, Hilla, Iraq
[3] Al Mustansiriyah Univ, Coll Sci, Dept Phys, Baghdad, Iraq
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2012年 / 52卷 / 05期
关键词：
Optoelectronic feedback; Quantum dot semiconductor laser; Positive feedback; Negative feedback; CHAOS;
D O I：
10.1016/j.spmi.2012.07.017
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The optoelectronic feedback (OEF) in quantum dot semiconductor lasers (QD SLs) is studied theoretically where a model includes wetting layer ground state and excited state for QDs are included separating electrons and holes in their dynamics. Both positive and negative OEF are studied. The time series of photon density, the phase portraits of carriers in the states are studied. The parameters affecting OEF are examined where an excitability is seen. The QD SL is found to be more sensitive to the changes in time delay compared with other SLs and a complicated routs are seen in the behavior of QD SL (C) 2012 Elsevier Ltd. All rights reserved.
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收藏
页码：977 / 986
页数：10
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