TITLE

Disorder-limited photon propagation and Anderson-localization in photonic crystal waveguides

AUTHOR(S)
Wasley, N. A.; Luxmoore, I. J.; Coles, R. J.; Clarke, E.; Fox, A. M.; Skolnick, M. S.
PUB. DATE
July 2012
SOURCE
Applied Physics Letters;7/30/2012, Vol. 101 Issue 5, p051116
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We investigate the disorder-limited propagation of photons in photonic crystal waveguides in the slow-light regime. We use analysis of Fabry-Perot resonances to map the mode dispersion and extract the photon localization length. Propagation lengths are deduced to be limited to less than 20 μm for group index >50. Anderson-localized modes are observed at high group indices, when the localization lengths are shorter than the waveguide lengths, consistent with the Fabry-Perot analysis. The results have consequences for integrated quantum-dot single-photon circuits which rely on slow-light effects to enhance emission rates.
ACCESSION #
78299206

 

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