[8p-Z10-1~11] 13.6 Nanostructures, quantum phenomena, and nano quantum devices

[8p-Z10-9] Effects of exciton stability on interaction between heavy-hole and light-hole excitons in a GaAs/AlAs multiple quantum well observed by reflectivity change

〇Osamu Kojima¹, Takashi Kita¹, Richard Hogg² (1.Kobe Univ, 2.Univ. Glasgow)

Keywords:exciton, interaction, quantum well

The interaction between the heavy-hole and light-hole excitons in a GaAs/AlAs multiple quantum well is discussed from the results using the continuous wave lasers. The results of the reflectivity change of the heavy hole excitons under the excitation of the light hole excitons, the reflectivity change was changed with the laser light intensity of the heavy hole excitons. This change is considered to be due to the interaction between the heavy-hole and light-hole excitons depending on the stability of the heavy hole excitons.