摘要
本文介绍1.55μm波长可调谐DFB激光器的结构及特性。激光器腔长为250μm。隔离电阻约60Ω。在总电流恒定时,波长调谐范围超过15A(190GHz)。边模抑制比(SMSR)大于30dB。
With two-electrode structure,wave length tuning in single-mode operation was achieved for a DFB laser operating at 1.55nm. The overall cavity length is 250u.m. The isolation resistance is about 60Q. Under a constant total bias current, the lasing wavelength can be tuned electrically over 15 A (190GHz). The side-mode suppression ratio ( SMSR ) is larger than 30dB.
出处
《光通信研究》
1992年第4期37-40,共4页
Study on Optical Communications
关键词
电极
激光器
折射率
调谐
two-electrode DFB laser
effective refractve index
injection carrier
tuning
