Project supported by the National Basic Research Program of China(Grant Nos.2013CB933304 and 2012CB932701);the National Natural Science Foundation of China(Grant Nos.61274125 and 61435012);the Strategic Priority Research Program(B)of the Chinese Academy of Sciences(Grant No.XDB01010200)
In this study, two-section mode-locked semiconductor lasers with different numbers of quantum wells and different types of waveguide structures are made. Their ultrashort pulse features are presented. The spectral dyn...