Gen-ichi HATAKOSHI

Advanced Discrete Semiconductor Technology Laboratory, Corporate Research & Development Center, Toshiba Corporation 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan

(Received January 27, 2003; Accepted May 19, 2003)

Output beam characteristics have been analyzed by numerical simulation for semiconductor lasers with various waveguide structures. It was found that the beam quality factors depend significantly on the transverse-mode confining structures.

Key words: semiconductor laser, beam quality, simulation, M square factor