Theoretical Study on Absorption of Magnetically Tunable Terahertz Quantum-Well Photodetectors  

作　　者：陈钰玲 郭旭光 曹俊诚 

机构地区：[1]State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050

出　　处：《Chinese Physics Letters》2006年第6期1613-1615,共3页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant Nos 60425415 and 10390162, and the Shanghai Municipal Commission of Science and Technology under Grant No 05XD14020.

摘　　要：Because of the Zeeman splitting effect in diluted semiconductor （Zn,Cd,Mn）Se, the absorption spectrum of ZnSe/（Zn,Cd,Mn）Se quantum wells can be adjusted by magnetic field effectively. Within the effective-mass approximation, the conduction electronic structure and the absorption spectrum of ZnSe/（Zn, Cd,Mn）Se quantum wells subjected to in-plane magnetic fields are investigated. Our theoretical results show that it is possible to use the ZnSe/（Zn, Cd,Mn）Se quantum well as magnetically tunable terahertz photodetectors.Because of the Zeeman splitting effect in diluted semiconductor （Zn,Cd,Mn）Se, the absorption spectrum of ZnSe/（Zn,Cd,Mn）Se quantum wells can be adjusted by magnetic field effectively. Within the effective-mass approximation, the conduction electronic structure and the absorption spectrum of ZnSe/（Zn, Cd,Mn）Se quantum wells subjected to in-plane magnetic fields are investigated. Our theoretical results show that it is possible to use the ZnSe/（Zn, Cd,Mn）Se quantum well as magnetically tunable terahertz photodetectors.

分 类 号：O413[理学—理论物理] O43[理学—物理]