Light-activated amplification in Si-C tandem devices: A capacitive active filter model

MA Vieira, P Louro, M Vieira, A Fantoni… - IEEE Sensors …, 2011 - ieeexplore.ieee.org
Characteristics of tunable wavelength pi'n/pin filters based on a-SiC: H multilayered stacked
cells are studied both experimentally and theoretically. Results show that the device …

Semiconductor device as optical demultiplexer for short range optical communications

P Louro, M Vieira, M Fernandes… - … of Nanoscience and …, 2011 - ingentaconnect.com
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 …

Light‐triggered silicon‐carbon pi'npin devices with self amplification

MA Vieira, M Vieira, P Louro, J Costa… - … status solidi c, 2011 - Wiley Online Library
In this paper we report the use of a monolithic system that combines the demultiplexing
operation with the simultaneous photodetection and self amplification of the signal. The …

DEMUX SiC optical transducers for fluorescent proteins detection

M Vieira, P Louro, MA Vieira, M Fernandes… - MRS Online …, 2011 - cambridge.org
This paper presents results on the optimization of multilayered a-SiC: H heterostructures that
can be used as an optical transducer for fluorescent proteins detection. Stacked structures …

Self optical gain in multilayered silicon-carbon heterostructures: A capacitive active band-pass filter model

MA Vieira, M Vieira, P Louro, M Fernandes… - MRS Online …, 2011 - cambridge.org
This paper reports results on the use of a pi'n/pin a-SiC: H heterostructure as an active band-
pass filter transfer function whose operation depends on the wavelength of the trigger light …