Non-perpendicular hypersonic and optical stop-bands in porous silicon multilayers

J. Manzanares-Martinez; D. Moctezuma-Enriquez; Y. J. Rodriguez-Viveros; B. Manzanares-Martinez; P. Castro-Garay

doi:10.1063/1.4773243

Non-perpendicular hypersonic and optical stop-bands in porous silicon multilayers

J. Manzanares-Martinez^*, D. Moctezuma-Enriquez, Y. J. Rodriguez-Viveros, B. Manzanares-Martinez, P. Castro-Garay

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

We study by theoretical simulations the non-perpendicular propagation of electromagnetic and elastic waves in porous silicon multilayers. We proceeded in three steps. First, we found the conditions to obtain a simultaneous photonic-phononic mirror at normal incidence. Second, we determined the angular variation of the mirrors computing the projected band structure. In a third step, we found out, on the one hand, that there are no conditions to obtain an omnidirectional mirror for electromagnetic waves. But, on the other hand, we found the conditions were possible to obtain an omnidirectional mirror for elastic waves. Moreover, the elastic mirror is revealed to be a polarization-converter due to the conversion of evanescent modes in the band gap.

Original language	English
Article number	261902
Journal	Applied Physics Letters
Volume	101
Issue number	26
DOIs	https://doi.org/10.1063/1.4773243
State	Published - 24 Dec 2012

Bibliographical note

Funding Information:
We thank Professor Julio Saucedo for carefully reading the manuscript. This work has been supported by the CONACYT-104151 project.

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10.1063/1.4773243

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title = "Non-perpendicular hypersonic and optical stop-bands in porous silicon multilayers",

abstract = "We study by theoretical simulations the non-perpendicular propagation of electromagnetic and elastic waves in porous silicon multilayers. We proceeded in three steps. First, we found the conditions to obtain a simultaneous photonic-phononic mirror at normal incidence. Second, we determined the angular variation of the mirrors computing the projected band structure. In a third step, we found out, on the one hand, that there are no conditions to obtain an omnidirectional mirror for electromagnetic waves. But, on the other hand, we found the conditions were possible to obtain an omnidirectional mirror for elastic waves. Moreover, the elastic mirror is revealed to be a polarization-converter due to the conversion of evanescent modes in the band gap.",

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AU - Manzanares-Martinez, J.

AU - Moctezuma-Enriquez, D.

AU - Rodriguez-Viveros, Y. J.

AU - Manzanares-Martinez, B.

AU - Castro-Garay, P.

N1 - Funding Information: We thank Professor Julio Saucedo for carefully reading the manuscript. This work has been supported by the CONACYT-104151 project.

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Y1 - 2012/12/24

N2 - We study by theoretical simulations the non-perpendicular propagation of electromagnetic and elastic waves in porous silicon multilayers. We proceeded in three steps. First, we found the conditions to obtain a simultaneous photonic-phononic mirror at normal incidence. Second, we determined the angular variation of the mirrors computing the projected band structure. In a third step, we found out, on the one hand, that there are no conditions to obtain an omnidirectional mirror for electromagnetic waves. But, on the other hand, we found the conditions were possible to obtain an omnidirectional mirror for elastic waves. Moreover, the elastic mirror is revealed to be a polarization-converter due to the conversion of evanescent modes in the band gap.

AB - We study by theoretical simulations the non-perpendicular propagation of electromagnetic and elastic waves in porous silicon multilayers. We proceeded in three steps. First, we found the conditions to obtain a simultaneous photonic-phononic mirror at normal incidence. Second, we determined the angular variation of the mirrors computing the projected band structure. In a third step, we found out, on the one hand, that there are no conditions to obtain an omnidirectional mirror for electromagnetic waves. But, on the other hand, we found the conditions were possible to obtain an omnidirectional mirror for elastic waves. Moreover, the elastic mirror is revealed to be a polarization-converter due to the conversion of evanescent modes in the band gap.

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Non-perpendicular hypersonic and optical stop-bands in porous silicon multilayers

Abstract

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