Yasufumi Takagi

Reduction of threading dislocation density in InP‐on‐Si heteroepitaxy with strained short‐period superlattices

Jang-Kyoo Shin, Naoki Ohshima, Kangsa Pak, 1996 .

AlGaN-based laser diodes for the short-wavelength ultraviolet region

Hirofumi Kan, Harumasa Yoshida, Masakazu Kuwabara, 2009 .

GaN-based photocathodes with extremely high quantum efficiency

Hirofumi Kan, Minoru Niigaki, M. Niigaki, 2005 .

Entirely Crack-Free Ultraviolet GaN/AlGaN Laser Diodes Grown on 2-in. Sapphire Substrate

Hirofumi Kan, Harumasa Yoshida, Hiroshi Amano, 2007 .