Improvement of Gain Recovery in QD-VCSOA at 1-Tb/s Cross Gain Modulation Using an Additional Light Beam

被引：10
|
作者：
Sahraee, Elham [1 ]
Zarifkar, Abbas [1 ]
Sanaee, Maryam [1 ]
机构：
[1] Shiraz Univ, Sch Elect & Comp Engn, Dept Commun & Elect, Shiraz 7193616511, Iran
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2014年 / 50卷 / 10期
关键词：
Gain recovery acceleration; quantum dot (QD); vertical-cavity semiconductor optical amplifier (VCSOA); QUANTUM-DOT; PHASE RECOVERY; AMPLIFIERS; DYNAMICS;
D O I：
10.1109/JQE.2014.2345658
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The acceleration of gain recovery in quantum dot vertical cavity semiconductor optical amplifiers (QD-VCSOA) is investigated. The 1-Tb/s pattern effect free cross gain modulation in QD-VCSOA can be achieved by using an additional light beam. We can overcome the limitation of the slow transition of carriers from the wetting layer to the excited state by applying a light beam which increases the carrier density in the excited state and thus strongly improves the gain recovery time.
引用
收藏
页码：795 / 801
页数：7
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