Title :
Design and fabrication of mode size adapter in a photosensitive polymer waveguide
Author :
Hardy, Isabelle ; Grosso, Philippe ; Bosc, Dominique
Author_Institution :
Centre Commun Lannionnais d´´Opt., UMR CNRS FOTON, Lannion, France
fDate :
5/1/2005 12:00:00 AM
Abstract :
In this letter, we show the possibility to create by a photoinscription method a refractive index taper, in a photosensitive polymer waveguide, in order to reduce the coupling losses during connection to a single-mode optical fiber. The process uses the postirradiation of the guide by an ultraviolet source to gradually decrease the refractive index from the guide to the fiber. The losses decrease is controlled in situ in real time.
Keywords :
optical design techniques; optical fabrication; optical fibre couplers; optical planar waveguides; optical polymers; refractive index; ultraviolet sources; coupling losses; mode size adapter; photoinscription method; photosensitive polymer waveguide; refractive index taper; single-mode optical fiber; Optical coupling; Optical device fabrication; Optical fiber devices; Optical fiber losses; Optical fibers; Optical polymers; Optical refraction; Optical variables control; Optical waveguides; Refractive index; Mode adapter; optical fiber; polymer waveguide; refractive index;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.845653
