Field Tuning the g Factor in InAs Nanowire Double Quantum Dots

被引：136

作者：

Schroer, M. D. ^{[1
]}

Petersson, K. D. ^{[1
]}

Jung, M. ^{[1
]}

Petta, J. R. ^{[1
]}

机构：

[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 17期

基金：

美国国家科学基金会;

关键词：

SINGLE-ELECTRON SPIN; G-TENSOR; MANIPULATION; GIANT;

D O I：

10.1103/PhysRevLett.107.176811

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the effects of magnetic and electric fields on the g factors of spins confined in a two-electron InAs nanowire double quantum dot. Spin sensitive measurements are performed by monitoring the leakage current in the Pauli blockade regime. Rotations of single spins are driven using electric-dipole spin resonance. The g factors are extracted from the spin resonance condition as a function of the magnetic field direction, allowing determination of the full g tensor. Electric and magnetic field tuning can be used to maximize the g-factor difference and in some cases altogether quench the electric-dipole spin resonance response, allowing selective single spin control.

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页数：5

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