Direct determination of the transition to localization of light in three dimensions

Sperling, Tilo; Buehrer, Wolfgang; Aegerter, Christof M.; Maret, Georg

Direct determination of the transition to localization of light in three dimensions

Dateien

Sperling_211428.pdfGröße: 2.74 MBDownloads: 244

Datum

2012

Autor:innen

Sperling, Tilo

Buehrer, Wolfgang

Aegerter, Christof M.

Maret, Georg

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Nature Photonics. 2012, 7(1), pp. 48-52. ISSN 1749-4885. eISSN 1749-4893. Available under: doi: 10.1038/nphoton.2012.313

Zusammenfassung

Diffusive wave transport in three-dimensional media should show a phase transition, with increasing disorder, to a state without transport. This transition was first discussed by Anderson in the context of the metal–insulator transition, but is generic for all waves, as was realized later. However, the quest for the experimental demonstration of ‘Anderson’ localization in three dimensions has been a challenging task. For electrons and cold atoms, the challenge lies in the possibility of bound states in a disordered potential. Therefore, electromagnetic and acoustic waves have been the prime candidates for the observation of Anderson localization. The main challenge in using light lies in the distinction between the effects of absorption and localization. Here, we present measurements of the time dependence of the transverse width of the transmitted-light intensity distribution, which provides a direct measure of the localization length, independent of absorption. This provides direct evidence for a localization transition in three dimensions.

Fachgebiet (DDC)

530 Physik

Schlagwörter

Fundamental optical physics

Zitieren

ISO 690

SPERLING, Tilo, Wolfgang BUEHRER, Christof M. AEGERTER, Georg MARET, 2012. Direct determination of the transition to localization of light in three dimensions. In: Nature Photonics. 2012, 7(1), pp. 48-52. ISSN 1749-4885. eISSN 1749-4893. Available under: doi: 10.1038/nphoton.2012.313

BibTex

@article{Sperling2012Direc-21142,
  year={2012},
  doi={10.1038/nphoton.2012.313},
  title={Direct determination of the transition to localization of light in three dimensions},
  number={1},
  volume={7},
  issn={1749-4885},
  journal={Nature Photonics},
  pages={48--52},
  author={Sperling, Tilo and Buehrer, Wolfgang and Aegerter, Christof M. and Maret, Georg}
}

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