title: Selective excitation of lowest-order transverse ring modes in a quasi-stadium laser diode.
abstract: For a two-dimensional quasi-stadium laser diode, we demonstrate stable excitation of the lowest-order transverse ring modes by optimally designing the confocal end mirrors of the laser cavity based on extended Fox-Li mode calculations. We observe kink-free light output versus injection current characteristics and highly directional single-peak emissions corresponding to the diamond-shaped trajectory in the cavity. These results provide convincing evidence for selective excitation of the lowest-order transverse modes.
authors: Takehiro
authors: T
authors: Fukushima
authors: Susumu
authors: S
authors: Shinohara
authors: Satoshi
authors: S
authors: Sunada
authors: Takahisa
authors: T
authors: Harayama
authors: Kenichi
authors: K
authors: Arai
authors: Koichiro
authors: K
authors: Sakaguchi
authors: Yasunori
authors: Y
authors: Tokuda