Title :
Numerical simulations of a silicon-based optoelectronic filter based on a Bragg grating and p-i-n diode for DWDM optical networks
Author :
Irace, A. ; Coppola, Gianmarc ; Breglio, G.
Author_Institution :
Dept. of Electron. & Telecommun. Eng., Naples Univ.
Abstract :
An electrically controlled filter for the selection of channels in a DWDM optical network is proposed. The wavelength selectivity is obtained by combining the electrical injection of free carriers in a forward biased p-i-n diode with a Bragg grating realized over the top of a Silicon on Insulator (SOI) rib waveguide. Apodization of the duty-cycle of the grating has been investigated in order to reduce the crosstalk between adjacent channels; in this way the performances of the filter in terms of spectral bandwidth for 100 GHz and 50 GHz DWDM spacing become attractive
Keywords :
Bragg gratings; digital simulation; electro-optical filters; elemental semiconductors; integrated optics; integrated optoelectronics; numerical analysis; optical communication equipment; optical crosstalk; optical fibre networks; optical waveguide filters; p-i-n diodes; refractive index; rib waveguides; silicon; silicon-on-insulator; wavelength division multiplexing; 100 GHz; 2D simulator; 50 GHz; Bragg grating; DWDM optical networks; MEDICI; SOI rib waveguide; SOI substrate; Si; Si-based optoelectronic filter; crosstalk reduction; dense WDM; electrical injection; electrically controlled filter; forward biased PIN diode; free carriers; grating duty cycle apodization; numerical simulations; p-i-n diode; plasma-dispersion effect; wavelength selectivity; Bragg gratings; Crosstalk; Numerical simulation; Optical control; Optical fiber networks; Optical filters; Optical waveguides; P-i-n diodes; Silicon on insulator technology; Wavelength division multiplexing;
Conference_Titel :
Electron Devices for Microwave and Optoelectronic Applications, 2001 International Symposium on
Conference_Location :
Vienna
Print_ISBN :
0-7803-7049-X
DOI :
10.1109/EDMO.2001.974306
