Title :
Enhanced spontaneous Raman signal collected evanescently by silicon nitride slot waveguides
Author :
Dhakal, Ashim ; Peyskens, Frederic ; Subramanian, Ananth Z. ; Le Thomas, Nicolas ; Baets, Roel
Author_Institution :
imec, INTEC Dept., Photonics Res. Group, Ghent Univ., Ghent, Belgium
Abstract :
We investigate the effect of waveguide geometry on the conversion efficiency of Raman signals collected by integrated photonic waveguides. Compared to strip-type photonic wires, we report a six-fold increase in conversion efficiency for silicon-nitride slot-waveguides.
Keywords :
Raman spectra; geometrical optics; integrated optics; optical waveguides; silicon compounds; Si3N4; integrated photonic waveguides; silicon nitride slot waveguide geometry effect; spontaneous Raman signal enhancement; strip-type photonic wires; Geometry; Optical waveguides; Photonics; Raman scattering; Silicon nitride; Strips; Waveguide theory;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
