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Spin noise spectroscopy of a single quantum well microcavity

Spin noise spectroscopy of a single quantum well microcavity
Spin noise spectroscopy of a single quantum well microcavity
We report on an experimental observation of spin noise in a single semiconductor quantum well embedded into a microcavity. The great cavity-enhanced sensitivity to fluctuations of optical anisotropy has allowed us to measure the Kerr rotation and ellipticity noise spectra in the strong-coupling regime. The spin noise spectra clearly show two resonant features: a conventional magnetoresonant component shifting towards higher frequencies with a magnetic field and an unusual “nonmagnetic” component centered at zero frequency and getting suppressed with an increasing magnetic field. We attribute the first of them to the Larmor precession of free electron spins, whereas, the second one is presumably due to hyperfine electron-nuclei spin interactions.
1098-0121
Poltavtsev, S. V.
60196fb2-e51c-436c-8ad4-1a6a060e276d
Ryzhov, I. I.
86b86246-76ba-4eb5-bce1-dd0720838e82
Glazov, M. M.
a014ed49-8ae2-4d25-91f4-94b79265a8ab
Kozlov, G. G.
57c5270d-b3fc-48b7-979a-3b97a4fd4ad9
Zapasskii, V. S.
98b43196-619e-4591-a45b-fd7171240ca4
Kavokin, A. V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Lagoudakis, P. G.
ea50c228-f006-4edf-8459-60015d961bbf
Smirnov, D. S.
fc2717f7-d4f3-47ea-9c0c-e4ce9c77aa11
Ivchenko, E. L.
e6eca4a6-c8ae-4a7a-b433-4c203a511435
Poltavtsev, S. V.
60196fb2-e51c-436c-8ad4-1a6a060e276d
Ryzhov, I. I.
86b86246-76ba-4eb5-bce1-dd0720838e82
Glazov, M. M.
a014ed49-8ae2-4d25-91f4-94b79265a8ab
Kozlov, G. G.
57c5270d-b3fc-48b7-979a-3b97a4fd4ad9
Zapasskii, V. S.
98b43196-619e-4591-a45b-fd7171240ca4
Kavokin, A. V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Lagoudakis, P. G.
ea50c228-f006-4edf-8459-60015d961bbf
Smirnov, D. S.
fc2717f7-d4f3-47ea-9c0c-e4ce9c77aa11
Ivchenko, E. L.
e6eca4a6-c8ae-4a7a-b433-4c203a511435

Poltavtsev, S. V., Ryzhov, I. I., Glazov, M. M., Kozlov, G. G., Zapasskii, V. S., Kavokin, A. V., Lagoudakis, P. G., Smirnov, D. S. and Ivchenko, E. L. (2014) Spin noise spectroscopy of a single quantum well microcavity. Physical Review B, 89 (8). (doi:10.1103/PhysRevB.89.081304).

Record type: Article

Abstract

We report on an experimental observation of spin noise in a single semiconductor quantum well embedded into a microcavity. The great cavity-enhanced sensitivity to fluctuations of optical anisotropy has allowed us to measure the Kerr rotation and ellipticity noise spectra in the strong-coupling regime. The spin noise spectra clearly show two resonant features: a conventional magnetoresonant component shifting towards higher frequencies with a magnetic field and an unusual “nonmagnetic” component centered at zero frequency and getting suppressed with an increasing magnetic field. We attribute the first of them to the Larmor precession of free electron spins, whereas, the second one is presumably due to hyperfine electron-nuclei spin interactions.

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Published date: 10 February 2014

Identifiers

Local EPrints ID: 430556
URI: http://eprints.soton.ac.uk/id/eprint/430556
ISSN: 1098-0121
PURE UUID: 0f181c73-daf4-4f19-aafa-a01d0ef162ec

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Date deposited: 03 May 2019 16:30
Last modified: 03 May 2019 16:30

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Contributors

Author: S. V. Poltavtsev
Author: I. I. Ryzhov
Author: M. M. Glazov
Author: G. G. Kozlov
Author: V. S. Zapasskii
Author: A. V. Kavokin
Author: D. S. Smirnov
Author: E. L. Ivchenko

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