Optical polarization measurements of exciton-Zeeman splitting and carrier-spin relaxation in ZnxCd1-xSe/ZnSe multiquantum wells

Takanari Yasui; Baoping Zhang; T. Yasuda; Yusaburo Segawa

doi:10.1117/12.246182

16 August 1996 Optical polarization measurements of exciton-Zeeman splitting and carrier-spin relaxation in Zn_xCd_1-xSe/ZnSe multiquantum wells

Takanari Yasui, Baoping Zhang, T. Yasuda, Yusaburo Segawa

Author Affiliations +

Proceedings Volume 2873, International Symposium on Polarization Analysis and Applications to Device Technology; (1996) https://doi.org/10.1117/12.246182
Event: International Symposium on Polarization Analysis and Applications to Device Technology, 1996, Yokohama, Japan

Abstract

We investigated exciton-Zeeman splitting and carrier-spin relaxation in Zn_xCd_1-xSe/ZnSe multi-quantum wells using magnetic circular dichroic (MCD) measurements and photoluminescence polarization (PLP) spectra. We obtained the exciton-g value from the exciton-Zeeman splitting in the MCD spectra. The well width and Cd composition measurements indicate the possibility of controlling the exciton-g value in a nonmagnetic II-VI compound system. We observed the polarization of the higher exciton levels in the PLP spectra as a result of carrier- spin relaxation. The light hole excitons with positive polarization were affected by the strain induced by the Cd composition in the well layer.

Citation Download Citation

Takanari Yasui, Baoping Zhang, T. Yasuda, and Yusaburo Segawa "Optical polarization measurements of exciton-Zeeman splitting and carrier-spin relaxation in Zn_xCd_1-xSe/ZnSe multiquantum wells", Proc. SPIE 2873, International Symposium on Polarization Analysis and Applications to Device Technology, (16 August 1996); https://doi.org/10.1117/12.246182

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