Observation of Migrating Transverse Anderson Localizations of Light in Nonlocal Media

Marco Leonetti, Salman Karbasi, Arash Mafi, and Claudio Conti
Phys. Rev. Lett. 112, 193902 – Published 14 May 2014

Abstract

We report the experimental observation of the interaction and attraction of many localized modes in a two-dimensional system realized by a disordered optical fiber supporting transverse Anderson localization. We show that a nonlocal optically nonlinear response of thermal origin alters the localization length by an amount determined by the optical power and also induces an action at a distance between the localized modes and their spatial migration. Evidence of a collective and strongly interacting regime is given.

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  • Received 21 January 2014

DOI:https://doi.org/10.1103/PhysRevLett.112.193902

© 2014 American Physical Society

Authors & Affiliations

Marco Leonetti1,2,*, Salman Karbasi3, Arash Mafi3, and Claudio Conti4

  • 1IPCF-CNR c/o Dipartimento di Fisica, Università “La Sapienza”, Piazzale Aldo Moro, n. 5, 00185 Rome, Italy
  • 2Center for Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena, 291 00161 Roma, Italy
  • 3Department of Electrical Engineering and Computer Science, University of Wisconsin-Milwaukee Milwaukee, Wisconsin 53201, USA
  • 4ISC-CNR and Department of Physics, University Sapienza, Piazzale Aldo Moro 5, I-00185 Roma, Italy

  • *Corresponding author. marco.leonetti@roma1.infn.it

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Vol. 112, Iss. 19 — 16 May 2014

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