Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/4786
Título: Add/drop filters based on SiC technology for optical interconnects
Autor: Vieira, Maria Manuela Almeida Carvalho
Vieira, Manuel Augusto
Louro, Paula Maria Garcia
Fantoni, Alessandro
Silva, vítor Manuel Guerra Vaz
Palavras-chave: Add/Drop Filters
SiC Techonology
Optical Interconnects
Data: 2014
Editora: IOP Publishing LTD
Citação: VIEIRA, Manuela Almeida Carvalho; [et al] – Add/Drop filters basec on SiC technology for optical interconnects. In IOP Conference Series-Materials Science and Engineering. England : IOP Publishing LTD, 2014. ISSN: 1757-8981. Vol. 56, nr. 1, Art. nr. 012008.
Relatório da Série N.º: 012008
Resumo: In this paper we demonstrate an add/drop filter based on SiC technology. Tailoring of the channel bandwidth and wavelength is experimentally demonstrated. The concept is extended to implement a 1 by 4 wavelength division multiplexer with channel separation in the visible range. The device consists of a p-i'(a-SiC:H)-n/p-i(a-Si: H)-n heterostructure. Several monochromatic pulsed lights, separately or in a polychromatic mixture illuminated the device. Independent tuning of each channel is performed by steady state violet bias superimposed either from the front and back sides. Results show that, front background enhances the light-to-dark sensitivity of the long and medium wavelength channels and quench strongly the others. Back violet background has the opposite behaviour. This nonlinearity provides the possibility for selective removal or addition of wavelengths. An optoelectronic model is presented and explains the light filtering properties of the add/drop filter, under different optical bias conditions.
Peer review: yes
URI: http://hdl.handle.net/10400.21/4786
DOI: 10.1088/1757-899X/56/1/012008
ISSN: 1757-8981
Aparece nas colecções:ISEL - Eng. Elect. Tel. Comp. - Comunicações

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