We present a highly efficient laterally-coupled 1.55 μm DFB laser monolithically integrated with multistage MMIs and SOAs, using low bias currents and providing an output power of ~100 mW with a low divergence angle.
Li MaHongliang ZhuSong LiangBaojun WangCan ZhangLingjuan ZhaoJing BianMinghua Chen
Heonsu JeonJ.-M. VerdiellA. MathurM. ZiariT. L. Koch