A MINIATURIZED TUNABLE FILTER BASED ON A FIBER BRAGG GRATING LOADED BY A CERAMIC-TUBE MICROHEATER

Authors
TACHIKAWA Y NAGAOKA S SUZUKI Y
Citation
Y. Tachikawa et al., A MINIATURIZED TUNABLE FILTER BASED ON A FIBER BRAGG GRATING LOADED BY A CERAMIC-TUBE MICROHEATER, Optical review, 4(4), 1997, pp. 442-443
Citations number
6
Categorie Soggetti
Optics
Journal title
Optical review → ACNP
ISSN journal
13406000
Volume
4
Issue
4
Year of publication
1997
Pages
442 - 443
Database
ISI
SICI code
1340-6000(1997)4:4<442:AMTFBO>2.0.ZU;2-Y
Abstract
A miniaturized 1.55 mu m tunable fiber Bragg grating (FGB) filter is p roposed and successfully demonstrated using an aluminum ceramic-tube w ith a tungsten thick film sleeve microheater. Fine tuning of the Bragg reflective wavelength with 0.0135 nm/degrees C is achieved by adding the constant thermal distribution along the uniform FBG with a 0.3 nm bandwidth. Furthermore, a 1.5 nm linearly chirped reflection bandwidth is obtained by thermal gradient loading.