Title :
Polarization based refractive index sensor in ridge waveguides
Author :
Garg, Radhika ; Thyagarajan, K.
Author_Institution :
Dept. of Phys., IIT Delhi, New Delhi, India
Abstract :
We propose a sensor scheme utilizing modes with orthogonal polarization states in ridge-waveguide geometry by employing a pair of LPGs. Simulations show very high sensitivity ~ 5200 nm/ARI over (1.33-1.34) RI range in S+C band.
Keywords :
diffraction gratings; light polarisation; optical sensors; optical waveguides; refractive index measurement; ridge waveguides; LPG; long period gratings; orthogonal polarization states; polarization based refractive index sensor; ridge-waveguide geometry;
Conference_Titel :
Fiber Optics and Photonics (PHOTONICS), 2012 International Conference on
Conference_Location :
Chennai
Print_ISBN :
978-1-4673-4718-1
