Probing optical-phonon propagation in GaAs/AlxGa1-xAs quantum-well samples via their nonequilibrium population
Yu, PY, Su, ZP, Kim, DS, Khim, JS, Lim, YS, Yee, YH, Cho, YH[Cho, Yong-Hoon], Lee, JS, Lee, JH, Chang, JS, Choe, BD, Woo, DH, Shin, EJ, Arya, K, Song, JJ
PHYSICAL REVIEW B, 1996