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

S. Mazoyer, J. P. Hugonin, P. Lalanne, D. M. Beggs, T. F. Krauss

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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 n(g)approximate to 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.

Original languageEnglish
Title of host publicationPhotonic Crystal Materials and Devices IX
EditorsHR Miguez, SG Romanov, LC Andreani, C Seassal
Place of PublicationBELLINGHAM
PublisherSPIE
Pages77130K
Number of pages7
ISBN (Print)978-0-8194-8186-3
DOIs
Publication statusPublished - May 2010
EventConference on Photonic Crystal Materials and Devices IX - Brussels
Duration: 12 Apr 201015 Apr 2010

Publication series

NameProceedings of SPIE-The International Society for Optical Engineering
Volume7713
ISSN (Print)0277-786X

Conference

ConferenceConference on Photonic Crystal Materials and Devices IX
CityBrussels
Period12/04/1015/04/10

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