Title :
Temperature profile in asymmetric heating by arc Discharge for wavelength insensitive fused fiber couplers
Author :
Das, Alok K. ; Ray, Biplab K. ; Das, Avranil
Author_Institution :
Guru Nanak Inst. of Technol., Kolkata, India
Abstract :
The temperature profile formed by arc discharge around the coupler waist of 2×2 couplers by placing the coupler waist away from the arc flame produces phase mismatch between the fibers. Theoretically, the propagation constants are found out considering effective core diameters, core dopant diffusion, and coupling coefficient around coupler waist. The refractive index variation with the change of glass structure depending on the temperature profile parameters is utilized to fabricate wavelength insensitive devices. A theoretical model for splitting ratio versus wavelength with repeated discharges for increasing the phase mismatch considering temperature profile parameters is developed. The theoretical curves are compared with the experimental results.
Keywords :
arcs (electric); doping; electromagnetic wave propagation; optical fibre couplers; optical wavelength conversion; refractive index; temperature; arc discharge; arc flame; asymmetric heating; core diameter; core dopant diffusion; coupler waist; coupling coefficient; glass structure; phase mismatch; propagation constant; refractive index; splitting ratio; temperature profile; wavelength insensitive device; wavelength insensitive fused fiber coupler; Couplers; Couplings; Heating; Optical fiber couplers; Optical fiber devices; Optical fiber dispersion; 2×2 fused fiber couplers; core dopant diffusion; refractive index variation by temperature profile; wavelength insensitive fused fiber coupler;
Conference_Titel :
Application of Information and Communication Technologies (AICT), 2010 4th International Conference on
Conference_Location :
Tashkent
Print_ISBN :
978-1-4244-6903-1
Electronic_ISBN :
978-1-4244-6904-8
DOI :
10.1109/ICAICT.2010.5611747
