Title :
Push-pull modulated DFB lasers with low chirp and enhanced cut-off frequency for high speed systems
Author :
Nowell, M.C. ; Carroll, J.E.
Author_Institution :
Dept. of Eng., Cambridge Univ., Cambridge, UK
Abstract :
Push-pull modulation of a symmetric two contact DFB laser substantially reduces dynamic chirp through overall on-off symmetry and reduction of mean refractive index variations. The cut-off frequency is significantly enhanced making multi-gigabit/s direct modulation attractive
Keywords :
distributed feedback lasers; optical communication equipment; optical modulation; semiconductor lasers; cut-off frequency; direct modulation; dynamic chirp; high speed systems; low chirp; mean refractive index variations; on-off symmetry; push-pull modulated DFB lasers; push-pull modulation;
Conference_Titel :
High Capacity Optical Communications, IEE Colloquium on
Conference_Location :
London
