Title :
Characterization of excess noise induced by external reflection in 1.55 μm gain-coupled DFB lasers of absorptive grating type
Author :
Nakano, Yoshiaki ; Funabashi, Masaki ; Yatsu, Ryosuke ; Nakura, Tom ; Tada, Kunio
Author_Institution :
Dept. of Electron. Eng., Tokyo Univ., Japan
Abstract :
We have fabricated 1.55 μm InGaAsP-InP strained multiple-quantum-well gain-coupled DFB lasers of absorptive grating type, and characterized their excess noise induced by external reflection from several meters. Coupling coefficient dependence of the critical feedback level is discussed
Keywords :
indium compounds; 1.55 mum; InGaAsP-InP; InGaAsP-InP strained multiple-quantum-well gain-coupled DFB lasers; absorptive grating lasers; coupling coefficient dependence; critical feedback level; excess noise; external reflection; gain-coupled DFB lasers;
Conference_Titel :
Integrated Optics and Optical Fibre Communications, 11th International Conference on, and 23rd European Conference on Optical Communications (Conf. Publ. No.: 448)
Conference_Location :
Edinburgh
Print_ISBN :
0-85296-697-0
DOI :
10.1049/cp:19971357
