Improved performance of complex gain-coupled DFB laser by using tapered grating structure.Published in:Optical & Quantum Electronics, 2012, v. 44, n. 1/2, p. 1, doi. 10.1007/s11082-011-9522-3By:Aliannezhadi, M.;Shahshahani, F.;Ahmadi, V.Publication type:Article