Title :
Tunable narrow-bandwidth optical filter based on acoustically modulated fiber Bragg grating
Author :
Yeom, Dong II ; Park, Hee Su ; Kim, Byoung Yoon
Author_Institution :
Dept. of Phys., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea
fDate :
5/1/2004 12:00:00 AM
Abstract :
We demonstrate a novel tunable narrow-bandwidth optical filter based on an acoustically modulated fiber Bragg grating (FBG). A flexural acoustic wave applied to an off-centered core FBG modulates the period of the grating, producing sidebands tunable both in wavelength and magnitude.
Keywords :
Bragg gratings; acousto-optical filters; acousto-optical modulation; optical communication equipment; optical fibres; optical tuning; acoustically modulated fiber Bragg grating; acoustooptic devices; flexural acoustic wave; off-centered core FBG; sidebands; tunable filters; tunable narrow-bandwidth optical filter; Acoustic waves; Bandwidth; Bragg gratings; Capacitive sensors; Fiber gratings; Helium; Optical fiber filters; Optical fiber sensors; Optical filters; Optical tuning;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.826033