QUANTUM-NOISE PROPERTIES OF A CONSTANT-VOLTAGE-OPERATED SEMICONDUCTOR-LASER

被引：3
|
作者：
KARLSSON, A
机构：
[1] Department of Microwave Engineering and Fibre Optics, Royal Institute of Technology, Box 70033
来源：
PHYSICAL REVIEW A | 1991年 / 43卷 / 07期
关键词：
D O I：
10.1103/PhysRevA.43.3741
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Quantum-noise properties of a semiconductor laser under constant-voltage operation, where the laser-field amplitude is regulated through nonlinear gain, have been studied using quantum-mechanical Langevin equations. In the ideal constant-voltage-drift case, the linewidth enhancement from the gain-refractive-index coupling, as well as the relaxation oscillations, disappear, but for realistic nonlinear gains the amplitude noise will increase. The requirement on the laser's series resistance for constant-voltage operation is, however, very strict, and seems difficult to meet in practice.
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页码：3741 / 3747
页数：7
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