A Coherent Single-Hole Spin in a Semiconductor

被引：301
|
作者：
Brunner, Daniel [1 ]
Gerardot, Brian D. [1 ]
Dalgarno, Paul A. [1 ]
Wuest, Gunter [1 ]
Karrai, Khaled [2 ]
Stoltz, Nick G. [3 ]
Petroff, Pierre M. [3 ]
Warburton, Richard J. [1 ,4 ]
机构：
[1] Heriot Watt Univ, Sch Engn & Phys Sci, Edinburgh EH14 4AS, Midlothian, Scotland
[2] Univ Munich, Dept Phys, D-80539 Munich, Germany
[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
[4] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland
来源：
SCIENCE | 2009年 / 325卷 / 5936期
基金：
英国工程与自然科学研究理事会;
关键词：
CHARGED QUANTUM-DOT; ELECTRON-SPIN; STATES; MEDIA;
D O I：
10.1126/science.1173684
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Semiconductors have uniquely attractive properties for electronics and photonics. However, it has been difficult to find a highly coherent quantum state in a semiconductor for applications in quantum sensing and quantum information processing. We report coherent population trapping, an optical quantum interference effect, on a single hole. The results demonstrate that a hole spin in a quantum dot is highly coherent.
引用
收藏
页码：70 / 72
页数：3
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