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Optics of spin-noise-induced gyrotropy of an asymmetric microcavity

Optics of spin-noise-induced gyrotropy of an asymmetric microcavity
Optics of spin-noise-induced gyrotropy of an asymmetric microcavity
The optical gyrotropy noise of a high-finesse semiconductor Bragg microcavity with an embedded quantum well (QW) is studied at different detunings of the photon mode with respect to the QW exciton resonances. A strong suppression of the noise magnitude for the photon mode frequencies lying above exciton resonances is found. We show that such a critical behavior of the observed optical noise power is specific to asymmetric Fabry-Perot resonators. As follows from our analysis, at a certain level of intracavity loss, the reflectivity of the asymmetric resonator vanishes, while the polarimetric sensitivity to the gyrotropy changes dramatically when moving across the critical point. The results of model calculations are in a good agreement with our experimental data on the spin noise in a single-quantum-well microcavity and are confirmed also by the spectra of the photoinduced Kerr rotation in the pump-probe experiments.
1098-0121
Poltavtsev, S. V.
60196fb2-e51c-436c-8ad4-1a6a060e276d
Ryzhov, I. I.
86b86246-76ba-4eb5-bce1-dd0720838e82
Cherbunin, R. V.
b9df2cc9-9bc0-4f94-9b56-859d6874dd53
Mikhailov, A. V.
6d189d78-e2b2-423e-b078-bb6d235c78dd
Kopteva, N. E.
e3029714-de3a-49c9-91ff-aa77dd5a7590
Kozlov, G. G.
57c5270d-b3fc-48b7-979a-3b97a4fd4ad9
Kavokin, K. V.
b29928c1-4e70-4305-bc0b-261f4557a835
Zapasskii, V. S.
98b43196-619e-4591-a45b-fd7171240ca4
Lagoudakis, P. V.
ea50c228-f006-4edf-8459-60015d961bbf
Kavokin, A. V.
70ffda66-cfab-4365-b2db-c15e4fa1116b
Poltavtsev, S. V.
60196fb2-e51c-436c-8ad4-1a6a060e276d
Ryzhov, I. I.
86b86246-76ba-4eb5-bce1-dd0720838e82
Cherbunin, R. V.
b9df2cc9-9bc0-4f94-9b56-859d6874dd53
Mikhailov, A. V.
6d189d78-e2b2-423e-b078-bb6d235c78dd
Kopteva, N. E.
e3029714-de3a-49c9-91ff-aa77dd5a7590
Kozlov, G. G.
57c5270d-b3fc-48b7-979a-3b97a4fd4ad9
Kavokin, K. V.
b29928c1-4e70-4305-bc0b-261f4557a835
Zapasskii, V. S.
98b43196-619e-4591-a45b-fd7171240ca4
Lagoudakis, P. V.
ea50c228-f006-4edf-8459-60015d961bbf
Kavokin, A. V.
70ffda66-cfab-4365-b2db-c15e4fa1116b

Poltavtsev, S. V., Ryzhov, I. I., Cherbunin, R. V., Mikhailov, A. V., Kopteva, N. E., Kozlov, G. G., Kavokin, K. V., Zapasskii, V. S., Lagoudakis, P. V. and Kavokin, A. V. (2014) Optics of spin-noise-induced gyrotropy of an asymmetric microcavity. Physical Review B, 89 (20), [205308]. (doi:10.1103/PhysRevB.89.205308).

Record type: Article

Abstract

The optical gyrotropy noise of a high-finesse semiconductor Bragg microcavity with an embedded quantum well (QW) is studied at different detunings of the photon mode with respect to the QW exciton resonances. A strong suppression of the noise magnitude for the photon mode frequencies lying above exciton resonances is found. We show that such a critical behavior of the observed optical noise power is specific to asymmetric Fabry-Perot resonators. As follows from our analysis, at a certain level of intracavity loss, the reflectivity of the asymmetric resonator vanishes, while the polarimetric sensitivity to the gyrotropy changes dramatically when moving across the critical point. The results of model calculations are in a good agreement with our experimental data on the spin noise in a single-quantum-well microcavity and are confirmed also by the spectra of the photoinduced Kerr rotation in the pump-probe experiments.

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Published date: 13 May 2014

Identifiers

Local EPrints ID: 430558
URI: http://eprints.soton.ac.uk/id/eprint/430558
ISSN: 1098-0121
PURE UUID: 9a6ff9de-248d-4d3f-9101-2c7272800154

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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: R. V. Cherbunin
Author: A. V. Mikhailov
Author: N. E. Kopteva
Author: G. G. Kozlov
Author: K. V. Kavokin
Author: V. S. Zapasskii
Author: A. V. Kavokin

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