Title :
Optical fibers with depressed claddings for suppression of coupling into cladding modes in fiber Bragg gratings
Author :
Dong, L. ; Reekie, L. ; Cruz, J.L. ; Caplen, J.E. ; de Sandro, J.P. ; Payne, D.N.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
Abstract :
A new method for suppression of coupling from guided optical modes into cladding modes in an optical fiber Bragg grating using a fiber with a strongly depressed cladding is proposed. Strong suppression of the coupling has been demonstrated both theoretically and experimentally.
Keywords :
diffraction gratings; optical fibre cladding; optical fibre couplers; cladding modes; coupling suppression; depressed cladding; guided optical modes; optical fiber Bragg grating; Fiber gratings; Fiber lasers; Integrated optics; Laser modes; Optical coupling; Optical fiber sensors; Optical fibers; Optical refraction; Optical variables control; Refractive index;
Journal_Title :
Photonics Technology Letters, IEEE
