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 …

SiC multilayer structures as light controlled photonic active filters

MA Vieira, M Vieira, P Louro, V Silva, J Costa… - Plasmonics, 2013 - Springer
Tunable wavelength division multiplexing converters based on amorphous SiC multilayer
photonic active filters are analyzed. The configuration includes two stacked pin structures (p …

2-in-1 red-/green-/blue sensitive a-SiC: H/a-Si: H/a-SiGeC: H thin film photo detector with an integrated optical filter

A Bablich, C Merfort, H Schäfer-Eberwein… - Thin Solid Films, 2014 - Elsevier
This paper presents an inventive unipolar amorphous silicon (a-Si: H) two terminal two color
photo sensor, featuring two functional modes of operation. The sensor structure is green …

Capacitive effects in pinpin photodiodes

A Fantoni, M Fernandes, P Louro, MA Vieira… - Microelectronic …, 2013 - Elsevier
The application of a-SiC: H/a-Si: H pinpin photodiodes for optoelectronic applications as a
WDM demultiplexer device has been demonstrated useful in optical communications that …

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 …

SiC multilayer photonic structures with self optical bias amplification

M Vieira, MA Vieira, P Louro, A Fantoni… - … Innovation for Value …, 2012 - Springer
Characteristics of tunable wavelength pi'n/pin filters based on a-SiC: H multilayered stacked
cells are studied both experimental and theoretically. Results show that the device combines …

DEMUX devices based on a-SiC: H

A Fantoni, P Louro, MA Vieira, T Silva… - Sensors and Actuators A …, 2012 - Elsevier
In this paper we present results about the functioning of a multilayered a-SiC: H
heterostructure as a device for wavelength-division demultiplexing of optical signals. The …

Reconfigurable SiC Embedded Photonic Structures with Self Optical Bias Control

M Vieira, MA Vieira, P Louro, A Fantoni, V Silva - Plasmonics, 2013 - Springer
Multilayered heterostructures based on embedded a-Si: H and a-SiC: H pin filters are
analyzed from differential voltage design perspective using short-and long-pass filters. The …

Double Pin Photodiodes with Two Optical Gate Connections for Light Triggering

MA Vieira, M Vieira, J Costa, P Louro… - … on Sensor Device …, 2010 - ieeexplore.ieee.org
Light-activated multiplexer/demultiplexer silicon-carbon devices are analyzed. An electrical
model for the device operation is presented and used to compare output signals with …

Optical processing devices for optical communications: Multilayered a-SiC: H architectures

P Louro, M Vieira, MA Vieira, M Fernandes… - MRS Online …, 2009 - cambridge.org
In this paper three multilayered architectures based on a-SiC: H with voltage controlled
spectral selectivity in the visible spectrum range are analyzed. Multiple simultaneous …