Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization

Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization

The mean squared value of the photonic disorder is found to be reduced by a factor of 100 in a typical GaAs based microcavity when exposed to a circularly polarized continuous wave optical pump without any special spatial patterning. Resonant excitation of the cavity mode excites a spatially nonunif...

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Main Authors: Liew, Timothy Chi Hin, Savona, V.
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2017
Subjects:
Optical
Nuclear
Online Access:https://hdl.handle.net/10356/85898
http://hdl.handle.net/10220/43898
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-858982023-02-28T19:23:31Z Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization Liew, Timothy Chi Hin Savona, V. School of Physical and Mathematical Sciences Optical Nuclear The mean squared value of the photonic disorder is found to be reduced by a factor of 100 in a typical GaAs based microcavity when exposed to a circularly polarized continuous wave optical pump without any special spatial patterning. Resonant excitation of the cavity mode excites a spatially nonuniform distribution of spin-polarized electrons, which depends on the photonic disorder profile. Electrons transfer spin to nuclei via the hyperfine contact interaction, inducing a long-living Overhauser magnetic field able to modify the potential of exciton polaritons. Published version 2017-10-16T06:35:35Z 2019-12-06T16:12:15Z 2017-10-16T06:35:35Z 2019-12-06T16:12:15Z 2011 Journal Article Liew, T. C. H., & Savona, V. (2011). Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization. Physical Review Letters, 106, 146404-. 0031-9007 https://hdl.handle.net/10356/85898 http://hdl.handle.net/10220/43898 10.1103/PhysRevLett.106.146404 en Physical Review Letters © 2011 American Physical Society (APS). This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: [http://dx.doi.org/10.1103/PhysRevLett.106.146404]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 4 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Optical
Nuclear
spellingShingle Optical
Nuclear
Liew, Timothy Chi Hin
Savona, V.
Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
description The mean squared value of the photonic disorder is found to be reduced by a factor of 100 in a typical GaAs based microcavity when exposed to a circularly polarized continuous wave optical pump without any special spatial patterning. Resonant excitation of the cavity mode excites a spatially nonuniform distribution of spin-polarized electrons, which depends on the photonic disorder profile. Electrons transfer spin to nuclei via the hyperfine contact interaction, inducing a long-living Overhauser magnetic field able to modify the potential of exciton polaritons.
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Liew, Timothy Chi Hin
Savona, V.
format Article
author Liew, Timothy Chi Hin
Savona, V.
author_sort Liew, Timothy Chi Hin
title Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
title_short Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
title_full Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
title_fullStr Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
title_full_unstemmed Optically Erasing Disorder in Semiconductor Microcavities with Dynamic Nuclear Polarization
title_sort optically erasing disorder in semiconductor microcavities with dynamic nuclear polarization
publishDate 2017
url https://hdl.handle.net/10356/85898
http://hdl.handle.net/10220/43898
_version_ 1759854361591152640

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