The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As<sub>2</sub>S<sub>3</sub> Chalcogenide Layer

Vasile Popescu; Niculae Puscas; Guido Perrone

doi:doi:10.11648/j.optics.20170602.12

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The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As₂S₃ Chalcogenide Layer

Vasile Popescu, Niculae Puscas, Guido Perrone

Published in Optics (Volume 6, Issue 2)

Received: 7 December 2017 Accepted: 18 December 2017 Published: 10 January 2018

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Abstract

The sensing performances of a four layer Bragg fiber based plasmonic biosensor for aqueous solutions using an As₂S₃ chalcogenide layer are investigated with an analytical method. In comparison with a previously considered fiber structure with a GaP layer, the new geometry has the advantages of a smaller value of the full width at half maximum and a larger value of the signal-to-noise ratio; however, the maximum of amplitude sensitivity is smaller when an As₂S₃ layer is used in the place of the GaP layer. If the thickness of the As₂S₃ layer is increased to the value for which it is quarter wavelength, the power fraction carried at the resonant wavelength by the core guided mode in the analyte layer becomes comparable with the value obtained in an optical fiber with the GaP layer, evidencing that the higher value of the refractive index for the GaP layer is compensated by a larger value of the thickness for the As₂S₃ layer. Taking into account the 0.04 photoinduced refractive index change obtained by illumination the chalcogenide As₂S₃ layer with a laser beam, the resonant wavelength is decreased by 0.128 nm and the loss for the core mode is increased by 41dB/cm.

Published in	Optics (Volume 6, Issue 2)
DOI	10.11648/j.optics.20170602.12
Page(s)	21-27
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Sensors, Surface Plasmon Resonance, Chalcogenides, Bragg Fiber, Transfer Matrix Method

References

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APA Style

Vasile Popescu, Niculae Puscas, Guido Perrone. (2018). The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics, 6(2), 21-27. https://doi.org/10.11648/j.optics.20170602.12

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ACS Style

Vasile Popescu; Niculae Puscas; Guido Perrone. The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics. 2018, 6(2), 21-27. doi: 10.11648/j.optics.20170602.12

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AMA Style

Vasile Popescu, Niculae Puscas, Guido Perrone. The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics. 2018;6(2):21-27. doi: 10.11648/j.optics.20170602.12

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@article{10.11648/j.optics.20170602.12,
  author = {Vasile Popescu and Niculae Puscas and Guido Perrone},
  title = {The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer},
  journal = {Optics},
  volume = {6},
  number = {2},
  pages = {21-27},
  doi = {10.11648/j.optics.20170602.12},
  url = {https://doi.org/10.11648/j.optics.20170602.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.optics.20170602.12},
  abstract = {The sensing performances of a four layer Bragg fiber based plasmonic biosensor for aqueous solutions using an As2S3 chalcogenide layer are investigated with an analytical method. In comparison with a previously considered fiber structure with a GaP layer, the new geometry has the advantages of a smaller value of the full width at half maximum and a larger value of the signal-to-noise ratio; however, the maximum of amplitude sensitivity is smaller when an As2S3 layer is used in the place of the GaP layer. If the thickness of the As2S3 layer is increased to the value for which it is quarter wavelength, the power fraction carried at the resonant wavelength by the core guided mode in the analyte layer becomes comparable with the value obtained in an optical fiber with the GaP layer, evidencing that the higher value of the refractive index for the GaP layer is compensated by a larger value of the thickness for the As2S3 layer. Taking into account the 0.04 photoinduced refractive index change obtained by illumination the chalcogenide As2S3 layer with a laser beam, the resonant wavelength is decreased by 0.128 nm and the loss for the core mode is increased by 41dB/cm.},
 year = {2018}
}

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TY  - JOUR
T1  - The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer
AU  - Vasile Popescu
AU  - Niculae Puscas
AU  - Guido Perrone
Y1  - 2018/01/10
PY  - 2018
N1  - https://doi.org/10.11648/j.optics.20170602.12
DO  - 10.11648/j.optics.20170602.12
T2  - Optics
JF  - Optics
JO  - Optics
SP  - 21
EP  - 27
PB  - Science Publishing Group
SN  - 2328-7810
UR  - https://doi.org/10.11648/j.optics.20170602.12
AB  - The sensing performances of a four layer Bragg fiber based plasmonic biosensor for aqueous solutions using an As2S3 chalcogenide layer are investigated with an analytical method. In comparison with a previously considered fiber structure with a GaP layer, the new geometry has the advantages of a smaller value of the full width at half maximum and a larger value of the signal-to-noise ratio; however, the maximum of amplitude sensitivity is smaller when an As2S3 layer is used in the place of the GaP layer. If the thickness of the As2S3 layer is increased to the value for which it is quarter wavelength, the power fraction carried at the resonant wavelength by the core guided mode in the analyte layer becomes comparable with the value obtained in an optical fiber with the GaP layer, evidencing that the higher value of the refractive index for the GaP layer is compensated by a larger value of the thickness for the As2S3 layer. Taking into account the 0.04 photoinduced refractive index change obtained by illumination the chalcogenide As2S3 layer with a laser beam, the resonant wavelength is decreased by 0.128 nm and the loss for the core mode is increased by 41dB/cm.
VL  - 6
IS  - 2
ER  -

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Author Information

Vasile Popescu

Department of Physics, University Politehnica of Bucharest, Bucharest, Romania
Niculae Puscas

Department of Physics, University Politehnica of Bucharest, Bucharest, Romania
Guido Perrone

Department of Electronics and Telecommunications, Politecnico di Torino, Torino, Italy

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Plain Text BibTeX RIS

APA Style

Vasile Popescu, Niculae Puscas, Guido Perrone. (2018). The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics, 6(2), 21-27. https://doi.org/10.11648/j.optics.20170602.12

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ACS Style

Vasile Popescu; Niculae Puscas; Guido Perrone. The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics. 2018, 6(2), 21-27. doi: 10.11648/j.optics.20170602.12

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AMA Style

Vasile Popescu, Niculae Puscas, Guido Perrone. The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer. Optics. 2018;6(2):21-27. doi: 10.11648/j.optics.20170602.12

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@article{10.11648/j.optics.20170602.12,
  author = {Vasile Popescu and Niculae Puscas and Guido Perrone},
  title = {The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer},
  journal = {Optics},
  volume = {6},
  number = {2},
  pages = {21-27},
  doi = {10.11648/j.optics.20170602.12},
  url = {https://doi.org/10.11648/j.optics.20170602.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.optics.20170602.12},
  abstract = {The sensing performances of a four layer Bragg fiber based plasmonic biosensor for aqueous solutions using an As2S3 chalcogenide layer are investigated with an analytical method. In comparison with a previously considered fiber structure with a GaP layer, the new geometry has the advantages of a smaller value of the full width at half maximum and a larger value of the signal-to-noise ratio; however, the maximum of amplitude sensitivity is smaller when an As2S3 layer is used in the place of the GaP layer. If the thickness of the As2S3 layer is increased to the value for which it is quarter wavelength, the power fraction carried at the resonant wavelength by the core guided mode in the analyte layer becomes comparable with the value obtained in an optical fiber with the GaP layer, evidencing that the higher value of the refractive index for the GaP layer is compensated by a larger value of the thickness for the As2S3 layer. Taking into account the 0.04 photoinduced refractive index change obtained by illumination the chalcogenide As2S3 layer with a laser beam, the resonant wavelength is decreased by 0.128 nm and the loss for the core mode is increased by 41dB/cm.},
 year = {2018}
}

Copy | Download

TY  - JOUR
T1  - The Sensing Characteristics of a Bragg Fiber Based Plasmonic Biosensor Using an As2S3 Chalcogenide Layer
AU  - Vasile Popescu
AU  - Niculae Puscas
AU  - Guido Perrone
Y1  - 2018/01/10
PY  - 2018
N1  - https://doi.org/10.11648/j.optics.20170602.12
DO  - 10.11648/j.optics.20170602.12
T2  - Optics
JF  - Optics
JO  - Optics
SP  - 21
EP  - 27
PB  - Science Publishing Group
SN  - 2328-7810
UR  - https://doi.org/10.11648/j.optics.20170602.12
AB  - The sensing performances of a four layer Bragg fiber based plasmonic biosensor for aqueous solutions using an As2S3 chalcogenide layer are investigated with an analytical method. In comparison with a previously considered fiber structure with a GaP layer, the new geometry has the advantages of a smaller value of the full width at half maximum and a larger value of the signal-to-noise ratio; however, the maximum of amplitude sensitivity is smaller when an As2S3 layer is used in the place of the GaP layer. If the thickness of the As2S3 layer is increased to the value for which it is quarter wavelength, the power fraction carried at the resonant wavelength by the core guided mode in the analyte layer becomes comparable with the value obtained in an optical fiber with the GaP layer, evidencing that the higher value of the refractive index for the GaP layer is compensated by a larger value of the thickness for the As2S3 layer. Taking into account the 0.04 photoinduced refractive index change obtained by illumination the chalcogenide As2S3 layer with a laser beam, the resonant wavelength is decreased by 0.128 nm and the loss for the core mode is increased by 41dB/cm.
VL  - 6
IS  - 2
ER  -

Copy | Download