Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/1856
Título: : SiC Multilayer Photonic Structures with Self Optical Bias Amplification
Autor: Vieira, Maria Manuela Almeida Carvalho
Vieira, Manuel Augusto
Louro, Paula Maria Garcia
Fantoni, Alessandro
Barata, Manuel Martins
Silva, Vítor
Palavras-chave: A-SiC:H Pi'n/Pin optical filters
Self amplification
Photodetection
Electrical model
Optoelectronic logic programming
MUX/DEMUX device
Data: 2012
Editora: Springer-Verlag Berlin
Citação: Vieira M, Vieira M A, Louro P, Fantoni A, Barata M, Silva V. SiC Multilayer Photonic Structures with Self Optical Bias Amplification. Technological Innovation for Value Creation. 2012; (372): 511-518
Resumo: 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 the demultiplexing operation with the simultaneous photodetection and self amplification of the signal. An algorithm to decode the multiplex signal is established. A capacitive active band-pass filter model is presented and supported by an electrical simulation of the state variable filter circuit. Experimental and simulated results show that the device acts as a state variable filter. It combines the properties of active high-pass and low-pass filter sections into a capacitive active band-pass filter using a changing photo capacitance to control the power delivered to the load.
Peer review: yes
URI: http://hdl.handle.net/10400.21/1856
ISBN: 978-3-642-28255-3
ISSN: 1868-4238
Aparece nas colecções:ISEL - Eng. Elect. Tel. Comp. - Artigos

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