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Strong light confinement in microporous photonic silicon structures

Published online by Cambridge University Press:  01 February 2011

G. Lérondel,
P. Reece,
A. Bruyant and
M. Gal
G. Lérondel
Affiliation:
Laboratoire de Nanotechnologie et d'Instrumentation Optique Université de Technologie de Troyes - CNRS (FRE 2671) 12 rue Marie Curie BP 2060 10010 Troyes cedex -, France
P. Reece
Affiliation:
Laboratoire de Nanotechnologie et d'Instrumentation Optique Université de Technologie de Troyes - CNRS (FRE 2671) 12 rue Marie Curie BP 2060 10010 Troyes cedex -, France
A. Bruyant
Affiliation:
School of Physics University of New South Wales, Sydney 2052 NSW, Australia
M. Gal
Affiliation:
Laboratoire de Nanotechnologie et d'Instrumentation Optique Université de Technologie de Troyes - CNRS (FRE 2671) 12 rue Marie Curie BP 2060 10010 Troyes cedex -, France
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Abstract

We have recently reported the fabrication of Si based subnanometer linewidth microcavities and omnidirectionnal mirrors. The structures were made of microporous silicon by electrochemical anodization. The structure high quality and the observation of omnidirectionnal stop bands have been made possible by the optimisation of the starting material, the etching conditions, and the structure design. In this paper we discuss more specifically the choice of these parameters considering the material intrinsic limitations.

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References

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