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Proceedings Article

How does slow light propagate in a real photonic-crystal waveguides?

[+] Author Affiliations
S. Mazoyer, J. P. Hugonin, P. Lalanne

Lab. Charles Fabry de l'Institut d'Optique, CNRS, Univ. Paris-Sud (France)

D. M. Beggs, T. F. Krauss

Univ. of St. Andrews (United Kingdom)

Proc. SPIE 7713, Photonic Crystal Materials and Devices IX, 77130K (May 19, 2010); doi:10.1117/12.853965
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From Conference Volume 7713

  • Photonic Crystal Materials and Devices IX
  • Hernán R. Míguez; Sergei G. Romanov; Lucio C. Andreani; Christian Seassal
  • Brussels, Belgium | April 12, 2010

abstract

We report ensemble-average transport characteristics obtained for a series of photonic-crystal waveguides that are supposedly identical and that only differ because of statistical structural fabrication-induced imperfections. In particular, we evidence that, in addition to a smearing of the local density of states, the probability density function of the transmission rapidly broadens in the slow light regime even for group indices as small as ng≈20 and for practical situations offering tolerable -3dB losses. This brings a severe constraint on the effective use of slow light for on-chip optical information processing. The experimental results are quantitatively supported by theoretical results obtained with a coupled-Bloch-mode approach that takes into account multiple scattering and localization effects.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

S. Mazoyer ; J. P. Hugonin ; P. Lalanne ; D. M. Beggs and T. F. Krauss
"How does slow light propagate in a real photonic-crystal waveguides?", Proc. SPIE 7713, Photonic Crystal Materials and Devices IX, 77130K (May 19, 2010); doi:10.1117/12.853965; http://dx.doi.org/10.1117/12.853965


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