Tunable photonic microwave notch filter using SOA-based single-longitudinal mode, dual-wavelength laser

被引：7

作者：

Lee, Kwanil ^{[1
]}

Lee, Ju Han ^{[2
]}

Lee, Sang Bae ^{[1
]}

机构：

[1] Korea Inst Sci & Technol, Div Intelligent Syst, Photon Res Lab, Seoul 130791, South Korea

[2] Univ Seoul, Sch Elect & Comp Engn, Lightwave Signal Proc Lab, Seoul 130743, South Korea

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 15期

关键词：

FIBER BRAGG GRATINGS;

D O I：

10.1364/OE.17.013216

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel photonic microwave notch filter with capability of frequency tuning is proposed and experimentally demonstrated. The scheme is based on a fiber Bragg grating (FBG)-based, single longitudinal mode, wavelength-spacing tunable dual-wavelength fiber laser and a dispersive fiber delay line. By using a symmetrical S-bending technique along the FBGs, the wavelength spacing of the laser can be tuned, which enables the microwave notch frequency tuning. Experimental results show that the notch rejection of more than 30 dB and the flexible tunability of notch frequency can be readily achieved in the range of 1.2 similar to 6.7 GHz. (C) 2009 Optical Society of America

引用

页码：13216 / 13221

页数：6

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