A 1.56 μm distributed feedback laser monolithically integrated with three stages of multi-mode interference couplers and semiconductor optical amplifiers was fabricated. The output exhibited a clear coherent interference far field pattern.
Lianping HouMarc SorelJ.H. Marsh
Li MaHongliang ZhuSong LiangBaojun WangCan ZhangLingjuan ZhaoJing BianMinghua Chen
S. Sandeep PradhanP. BhattacharyaW.K. Liu
R.T. SaharaR.A. SalvatoreH. Lu