Measurements of nuclear spin dynamics by spin-noise spectroscopy

被引：31

作者：

Ryzhov, I. I. ^{[1
]}

Poltavtsev, S. V. ^{[1
]}

Kavokin, K. V. ^{[1
,2
]}

Glazov, M. M. ^{[1
,2
]}

Kozlov, G. G. ^{[1
]}

Vladimirova, M. ^{[3
]}

Scalbert, D. ^{[3
]}

Cronenberger, S. ^{[3
]}

Kavokin, A. V. ^{[1
,4
]}

Lemaitre, A. ^{[5
]}

Bloch, J. ^{[5
]}

Zapasskii, V. S. ^{[1
]}

机构：

[1] St Petersburg State Univ, Spin Opt Lab, St Petersburg 198504, Russia

[2] Russian Acad Sci, Ioffe Inst, St Petersburg 194021, Russia

[3] Univ Montpellier, CNRS, UMR 5221, Lab Charles Coulomb, F-34095 Montpellier 05, France

[4] Univ Southampton, Sch Phys & Astron, Southampton SO17 1NJ, Hants, England

[5] UPR CNRS, Lab Photon & Nanostruct, F-91460 Marcoussis, France

来源：

APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 24期

关键词：

MAGNETIC-RESONANCE; RELAXATION; FIELD; GAAS;

D O I：

10.1063/1.4922771

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We exploit the potential of the spin noise spectroscopy (SNS) for studies of nuclear spin dynamics in n-GaAs. The SNS experiments were performed on bulk n-type GaAs layers embedded into a high-finesse microcavity at negative detuning. In our experiments, nuclear spin polarisation initially prepared by optical pumping is monitored in real time via a shift of the peak position in the electron spin noise spectrum. We demonstrate that this shift is a direct measure of the Overhauser field acting on the electron spin. The dynamics of nuclear spin is shown to be strongly dependent on the electron concentration. (C) 2015 AIP Publishing LLC.

引用

页数：4

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