Light Transport through the Band-Edge States of Fibonacci Quasicrystals

Luca Dal Negro, Claudio J. Oton, Zeno Gaburro, Lorenzo Pavesi, Patrick Johnson, Ad Lagendijk, Roberto Righini, Marcello Colocci, and Diederik S. Wiersma
Phys. Rev. Lett. 90, 055501 – Published 3 February 2003

Abstract

The propagation of light in nonperiodic quasicrystals is studied by ultrashort pulse interferometry. Samples consist of multilayer dielectric structures of the Fibonacci type and are realized from porous silicon. We observe mode beating and strong pulse stretching in the light transport through these systems, and a strongly suppressed group velocity for frequencies close to a Fibonacci band gap. A theoretical description based on transfer matrix theory allows us to interpret the results in terms of Fibonacci band-edge resonances.

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  • Received 4 July 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.055501

©2003 American Physical Society

Authors & Affiliations

Luca Dal Negro1,*, Claudio J. Oton1, Zeno Gaburro1, Lorenzo Pavesi1, Patrick Johnson2, Ad Lagendijk2,3, Roberto Righini4, Marcello Colocci4, and Diederik S. Wiersma4,†

  • 1INFM and Department of Physics, University of Trento, I-38050, Povo, Trento, Italy
  • 2Van der Waals-Zeeman Institute, University of Amsterdam, 1018 XE Amsterdam, The Netherlands
  • 3Department of Applied Physics & MESA+ Research Institute, University of Twente, Enschede, The Netherlands
  • 4INFM and European Laboratory for Non-Linear Spectroscopy, 50019 Sesto-Fiorentino (Florence), Italy

  • *Electronic address: dalnegro@science.unitn.it
  • Electronic address: wiersma@lens.unifi.it

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Issue

Vol. 90, Iss. 5 — 7 February 2003

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