Bandwidth control in a hybrid fiber acousto-optic filter

被引：18
|
作者：
Jung, Y [1 ]
Lee, SB [1 ]
Lee, JW [1 ]
Oh, K [1 ]
机构：
[1] Gwanju Inst Sci & Technol, Dept Informat & Commun, Kwangju 500712, South Korea
来源：
OPTICS LETTERS | 2005年 / 30卷 / 01期
关键词：
D O I：
10.1364/OL.30.000084
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a bandwidth variation technique in an acousto-optic filter. Utilizing the adiabatic conversion in both optical and acoustic modes, we obtain a novel hybrid waveguide composed of serial concatenation of single-mode fiber (SMF) and two-mode hollow optical fiber (HOF). On the basis of dissimilarity in the phase-matching conditions and beat-length dispersion in SMF and HOF, the FWHM of the resonant bands is varied from 3.8 to 190 nm. near the 1.5-mum region in a single device. Furthermore, we theoretically analyze the acousto-optic coupling among the guided modes in HOF, which shows good agreement with experimental observations. (C) 2005 Optical Society of America.
引用
收藏
页码：84 / 86
页数：3
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