Impact of Loss on the Wave Dynamics in Photonic Waveguide Lattices

M. Golshani, S. Weimann, Kh. Jafari, M. Khazaei Nezhad, A. Langari, A. R. Bahrampour, T. Eichelkraut, S. M. Mahdavi, and A. Szameit
Phys. Rev. Lett. 113, 123903 – Published 19 September 2014
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Abstract

We analyze the impact of loss in lattices of coupled optical waveguides and find that, in such a case, the hopping between adjacent waveguides is necessarily complex. This results not only in a transition of the light spreading from ballistic to diffusive, but also in a new kind of diffraction that is caused by loss dispersion. We prove our theoretical results with experimental observations.

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  • Received 17 April 2014

DOI:https://doi.org/10.1103/PhysRevLett.113.123903

© 2014 American Physical Society

Authors & Affiliations

M. Golshani1,*, S. Weimann2, Kh. Jafari3, M. Khazaei Nezhad1, A. Langari1,4,5, A. R. Bahrampour1, T. Eichelkraut2, S. M. Mahdavi1,6, and A. Szameit2

  • 1Department of Physics, Sharif University of Technology, Tehran 11155-9161, Iran
  • 2Institute of Applied Physics, Abbe Center of Photonics, Friedrich-Schiller-University Jena, Max-Wien-Platz 1, 07743 Jena, Germany
  • 3Department of Physics and Institute for Plasma Research, Kharazmi University, Tehran 15614, Iran
  • 4Center of Excellence in Complex Systems and Condensed Matter (CSCM), Sharif University of Technology, Tehran 145888-9694, Iran
  • 5Max-Planck-Institut für Physik komplexer Systeme, 01187 Dresden, Germany
  • 6Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran 89694-14588, Iran

  • *golshanimojtaba@gmail.com

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Issue

Vol. 113, Iss. 12 — 19 September 2014

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