Optical RKKY interaction between charged semiconductor quantum dots

被引：167
|
作者：
Piermarocchi, C [1 ]
Chen, P
Sham, LJ
Steel, DG
机构：
[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
[2] Univ Michigan, Harrison M Randall Lab Phys, Ann Arbor, MI 48109 USA
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.89.167402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show how a spin interaction between electrons localized in neighboring quantum dots can be induced and controlled optically. The coupling is generated via virtual excitation of delocalized excitons and provides an efficient coherent control of the spins. This quantum manipulation can be realized in the adiabatic limit and is robust against decoherence by spontaneous emission. Applications to the realization of quantum gates, scalable quantum computers, and to the control of magnetization in an array of charged dots are proposed.
引用
收藏
页码：1 / 167402
页数：4
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