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Photonic Quasiperiodic Multilayers of Porous Silicon

Published online by Cambridge University Press:  01 February 2011

R. Nava ,
J. A. del Río ,
J. C. Alonso  and
C. Wang
R. Nava
Affiliation:
Instituto de Investigaciones en Materiales, UNAM, A.P. 70–360, 04510, México D.F., MEXICO
J. A. del Río
Affiliation:
Centro de Investigación en Energía, UNAM, A.P. 34, 62580 Temixco, Mor., MEXICO
J. C. Alonso
Affiliation:
Instituto de Investigaciones en Materiales, UNAM, A.P. 70–360, 04510, México D.F., MEXICO
C. Wang
Affiliation:
Instituto de Investigaciones en Materiales, UNAM, A.P. 70–360, 04510, México D.F., MEXICO
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Abstract

Porous silicon is an efficient photo- and electro-luminescence material and represents a promising candidate for opto-electronic applications. In the last years, porous silicon multilayers with a high enough refractive index contrast have been obtained. In this work, we study the light transmission in Fibonacci multilayers made of porous silicon. The theoretical reflectance spectra are compared with experimental data, observing a good agreement, even though they are extremely fragile when the number of quasiperiodic layers increases. The photoluminescence spectra show evidences of the quasiperiodic structure and in particular, the observed enhancement in comparison with that of single porous silicon layer could be due to the quasiperiodicity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 797: Symposium W – Engineered Porosity for Microphotonics and Plasmonics , 2003 , W5.2
Copyright
Copyright © Materials Research Society 2004

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References

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