[16a-A26-1~7] 13.7 Nano structures and quantum phenomena

[16a-A26-7] Excitation energy dependence of initial phase shift of resident electron spin polarization precession

〇(M1)Tetsuyoshi Takamure¹, Yan Liping², Kaji Reina¹, Adachi Satoru¹ (1.Hokkaido Univ., 2.Taiyuan Univ. of Technology)

Keywords:resident electron spin polarization, II-VI compound semiconductor, quantum well

Charged excitons in semiconductor nanostructures leaves electrons or holes in the confinement region. Since the spin lifetime of the remained electrons (or holes) is not limited by their recombination, the efficient generation of the highly polarized resident electron spins is very useful for the various spin-based applications. Therefore, the detailed knowledge for the dynamics of the resident electron spin polarization (RESP) is very important. Here, we have measured the RESP precession directly by using the time-resolved Kerr rotation technique, and investigate the dynamics based on the initial phase of the RESP precession. The detailed dynamical process via the excitation energy dependence will be given in the conference.