Triplet biexciton transition under high magnetic field in (Cd,Mn)Te/CdTe/(Cd,Mg)Te asymmetric quantum wells

被引：0
|
作者：
Mino, H [1 ]
Kobayashi, A
机构：
[1] Chiba Univ, Grad Sch Sci & Technol, Chiba 2638522, Japan
[2] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2004年 / 18卷 / 27-29期
关键词：
exciton; triplet biexciton; four-wave mixing; CdMnTe/CdTe/CdMgTe; diluted magnetic semiconductor;
D O I：
10.1142/S0217979204027402
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Biexciton spin states in a CdMnTe/CdTe/CdMgTe single quantum well have been investigated by means of the time-integrated and the spectrally-resolved four-wave mixing measurements in magnetic fields. Applying magnetic field in a Faraday geometry, the four-wave mixing signal showed a beat like structure at an early delay-time region with a co-circular (sigma+,sigma+) configuration. The spectrally-resolved four-wave mixing signals indicated an additional transition appeared at 1 meV higher energy side of the exciton resonance. These results were explained well by a magnetic field induced triplet biexciton transition.
引用
收藏
页码：3753 / 3756
页数：4
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