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Louro P, Vieira M, Fernandes M, et al. Semiconductor device as optical demultiplexer for short range optical communications. J Nanosci Nanotechnol. 2011;11(6):5318-22doi: 10.1166/jnn.2011.3779.
Louro, P., Vieira, M., Fernandes, M., Vieira, M. A., Costa, J., & Fantoni, A. (2011). Semiconductor device as optical demultiplexer for short range optical communications. Journal of nanoscience and nanotechnology, 11(6), 5318-22. https://doi.org/10.1166/jnn.2011.3779
Louro, P, et al. "Semiconductor device as optical demultiplexer for short range optical communications." Journal of nanoscience and nanotechnology vol. 11,6 (2011): 5318-22. doi: https://doi.org/10.1166/jnn.2011.3779
Louro P, Vieira M, Fernandes M, Vieira MA, Costa J, Fantoni A. Semiconductor device as optical demultiplexer for short range optical communications. J Nanosci Nanotechnol. 2011 Jun;11(6):5318-22. doi: 10.1166/jnn.2011.3779. PMID: 21770182.
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J Nanosci Nanotechnol. 2011 Jun;11(6):5318-22. doi: 10.1166/jnn.2011.3779.

Semiconductor device as optical demultiplexer for short range optical communications.

Journal of nanoscience and nanotechnology

P Louro, M Vieira, M Fernandes, M A Vieira, J Costa, A Fantoni

Affiliations

  1. DEETC-ISEL, R. Conselheiro Emidio Navarro, P 1949-014 Lisboa, Portugal.

PMID: 21770182 DOI: 10.1166/jnn.2011.3779

Abstract

In this paper we present results on the use of a multilayered a-SiC:H heterostructure as a wavelength-division demultiplexing device for the visible light spectrum. The proposed device is composed of two stacked p-i-n photodiodes with intrinsic absorber regions adjusted to short and long wavelength absorption and carrier collection. An optoelectronic characterisation of the device was performed in the visible spectrum. Demonstration of the device functionality for WDM applications was done with three different input channels covering the long, the medium and the short wavelengths in the visible range. The recovery of the input channels is explained using the photo-current spectral dependence on the applied voltage. An electrical model of the WDM device is proposed and supported by the solution of the respective circuit equations. Short range optical communications constitute the major application field, however other applications are also foreseen.

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