In this paper a detailed investigation of slot waveguides for optical sensing in near-IR wavelength region is carried out, assuming Silicon-on-Insulator technology. Optimized guided-wave structures are found in terms of high sensitivity (Sh) and low propagation losses (αprop) and design guidelines are clearly selected. A number of possible application fields for environmental monitoring are covered, including gas sensing (gas identification or measure of their physical parameters as pressure) and liquid sensing (as pollutants in water). Influence of fabrication tolerances and wavelength dependence are also studied.
DESIGN OF OPTIMIZED SOI SLOT WAVEGUIDES FOR HOMOGENEOUS OPTICAL SENSING IN NEAR INFRARED / De Leonardis, F.; Giannoccaro, G; Troìa, B.; Passaro, V. M. N.; Perri, A. G.. - (2011), pp. 142-147. (Intervento presentato al convegno 4th IEEE International Workshop on Advances in Sensors and Interfaces (IWASI) tenutosi a Savalletri di Fasano (Italy) nel 28-29 June, 2011) [10.1109/IWASI.2011.6004705].
DESIGN OF OPTIMIZED SOI SLOT WAVEGUIDES FOR HOMOGENEOUS OPTICAL SENSING IN NEAR INFRARED
Giannoccaro G;
2011
Abstract
In this paper a detailed investigation of slot waveguides for optical sensing in near-IR wavelength region is carried out, assuming Silicon-on-Insulator technology. Optimized guided-wave structures are found in terms of high sensitivity (Sh) and low propagation losses (αprop) and design guidelines are clearly selected. A number of possible application fields for environmental monitoring are covered, including gas sensing (gas identification or measure of their physical parameters as pressure) and liquid sensing (as pollutants in water). Influence of fabrication tolerances and wavelength dependence are also studied.| File | Dimensione | Formato | |
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Design of Optimized SOl Slot Waveguides for Homogeneous Optical Sensing in Near Infrared.pdf
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