Dynamic response of V-groove quantum wire laser

被引：0
|
作者：
Gvozdic, D [1 ]
机构：
[1] Royal Inst Technol, Lab Opt Photon & Quantum Elect, S-16440 Kista, Sweden
来源：
PHYSICS AND SIMULATION OF OPTOELECTRONIC DEVICES XIII | 2005年 / 5722卷
关键词：
quantum wire; k-p method; gain; modulation bandwidth; InP;
D O I：
10.1117/12.589167
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 dynamic characteristics of an InGaAs/InP lattice-matched V-groove quantum wire laser are theoretically considered. The differential gain of the laser is derived from the k-p theory, taking into account nonparabolicity of both bands, the conduction and the valence band. We investigate the bandwidth of the laser versus its optical confinement, driving current and roll-off time, including nonlinear gain suppression. In spite of solid differential gain and the D-factor comparable with the best-performance QW laser, the maximum bandwidth of the laser is limited to about 20GHz due to insufficient optical confinement.
引用
收藏
页码：80 / 89
页数：10
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