Title :
Polarisation selective all-fibre Fabry-Perot filters with superimposed chirped Bragg gratings in high-birefringence fibres
Author :
Slavik, R. ; Doucet, S. ; LaRochelle, S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. Laval, Que., Canada
fDate :
4/17/2003 12:00:00 AM
Abstract :
Periodic highly birefringent filters with 50 and 100 GHz free spectral range and finesse of up to 20 are demonstrated. With a polarisation peak separation of 25 GHz, the polarisation crosstalk was measured to be less than -16 dB.
Keywords :
Bragg gratings; Fabry-Perot interferometers; birefringence; interference filters; optical fibre filters; optical fibre polarisation; refractive index; 100 GHz; 50 GHz; FBGs; HiBi elliptical core optical fibre; all-fibre Fabry-Perot filters; high-birefringence fibres; high-finesse filters; photoinduced refractive index change; polarisation crosstalk; polarisation selective filters; superimposed chirped Bragg gratings;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030428