Title :
Design of high-speed directly-modulated self-assembled quantum-dot lasers aiming at 40 Gb/s operation: experiments and model
Author :
Ishida, Makoto ; Hatori, N. ; Akiyama, T. ; Otsubo, K. ; Nakata, Y. ; Ebe, H. ; Sugawara, M. ; Arakawa, Y.
Author_Institution :
Nanoelectron. Collaborative Res. Center, Tokyo Univ., Japan
Abstract :
Modulation characteristics of 1.3 /spl mu/m quantum-dot lasers were investigated experimentally and theoretically to evaluate the K-factor-limited bandwidth. A criteria to improve the K-factor for the 40 GHz-bandwidth is clarified in terms of optical gain and capture time.
Keywords :
high-speed optical techniques; optical fibre communication; optical modulation; quantum dot lasers; self-assembly; semiconductor device models; 1.3 mum; 40 GHz; 40 Gbit/s; K-factor-limited bandwidth; capture time; directly-modulated lasers; high-speed lasers; modulation characteristics; optical gain; quantum-dot lasers; self-assembled lasers;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
