Spin noise of electrons and holes in (In,Ga)As quantum dots

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Spin noise of electrons and holes in (In,Ga)As quantum dots : Experiment and theory. / Glasenapp, Ph; Smirnov, D. S.; Greilich, A.; Hackmann, J.; Glazov, M. M.; Anders, F. B.; Bayer, M.

In: Physical Review B, Vol. 93, No. 20, 205429, 19.05.2016.

Research output: Contribution to journal › Article › peer-review

Author

Glasenapp, Ph ; Smirnov, D. S. ; Greilich, A. ; Hackmann, J. ; Glazov, M. M. ; Anders, F. B. ; Bayer, M. / Spin noise of electrons and holes in (In,Ga)As quantum dots : Experiment and theory. In: Physical Review B. 2016 ; Vol. 93, No. 20.

BibTeX

@article{07f0c3c864594ab68caa0fda0c87a9a6,

title = "Spin noise of electrons and holes in (In,Ga)As quantum dots: Experiment and theory",

abstract = "The spin fluctuations of electron and hole doped self-assembled quantum dot ensembles are measured optically in the low-intensity limit of a probe laser for absence and presence of longitudinal or transverse magnetic fields. The experimental results are modeled by two complementary approaches based either on a semiclassical or quantum mechanical description. This allows us to characterize the hyperfine interaction of electron and hole spins with the surrounding bath of nuclei on time scales covering several orders of magnitude. Our results demonstrate (i) the intrinsic precession of the electron spin fluctuations around the effective Overhauser field caused by the host lattice nuclear spins, (ii) the comparably long time scales for electron and hole spin decoherence, as well as (iii) the dramatic enhancement of the spin lifetimes induced by a longitudinal magnetic field due to the decoupling of nuclear and charge carrier spins.",

author = "Ph Glasenapp and Smirnov, {D. S.} and A. Greilich and J. Hackmann and Glazov, {M. M.} and Anders, {F. B.} and M. Bayer",

year = "2016",

month = may,

day = "19",

doi = "10.1103/PhysRevB.93.205429",

language = "English",

volume = "93",

journal = "Physical Review B-Condensed Matter",

issn = "1098-0121",

publisher = "American Physical Society",

number = "20",

}

RIS

TY - JOUR

T1 - Spin noise of electrons and holes in (In,Ga)As quantum dots

T2 - Experiment and theory

AU - Glasenapp, Ph

AU - Smirnov, D. S.

AU - Greilich, A.

AU - Hackmann, J.

AU - Glazov, M. M.

AU - Anders, F. B.

AU - Bayer, M.

PY - 2016/5/19

Y1 - 2016/5/19

N2 - The spin fluctuations of electron and hole doped self-assembled quantum dot ensembles are measured optically in the low-intensity limit of a probe laser for absence and presence of longitudinal or transverse magnetic fields. The experimental results are modeled by two complementary approaches based either on a semiclassical or quantum mechanical description. This allows us to characterize the hyperfine interaction of electron and hole spins with the surrounding bath of nuclei on time scales covering several orders of magnitude. Our results demonstrate (i) the intrinsic precession of the electron spin fluctuations around the effective Overhauser field caused by the host lattice nuclear spins, (ii) the comparably long time scales for electron and hole spin decoherence, as well as (iii) the dramatic enhancement of the spin lifetimes induced by a longitudinal magnetic field due to the decoupling of nuclear and charge carrier spins.

AB - The spin fluctuations of electron and hole doped self-assembled quantum dot ensembles are measured optically in the low-intensity limit of a probe laser for absence and presence of longitudinal or transverse magnetic fields. The experimental results are modeled by two complementary approaches based either on a semiclassical or quantum mechanical description. This allows us to characterize the hyperfine interaction of electron and hole spins with the surrounding bath of nuclei on time scales covering several orders of magnitude. Our results demonstrate (i) the intrinsic precession of the electron spin fluctuations around the effective Overhauser field caused by the host lattice nuclear spins, (ii) the comparably long time scales for electron and hole spin decoherence, as well as (iii) the dramatic enhancement of the spin lifetimes induced by a longitudinal magnetic field due to the decoupling of nuclear and charge carrier spins.

UR - http://www.scopus.com/inward/record.url?scp=84971322236&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.93.205429

DO - 10.1103/PhysRevB.93.205429

M3 - Article

AN - SCOPUS:84971322236

VL - 93

JO - Physical Review B-Condensed Matter

JF - Physical Review B-Condensed Matter

SN - 1098-0121

IS - 20

M1 - 205429

ER -

ID: 36327211