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

Authors
Lee, KwanilLee, Ju HanLee, Sang Bae
Issue Date
2009-07-20
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.17, no.15, pp.13216 - 13221
Abstract
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
Keywords
FIBER BRAGG GRATINGS; FIBER BRAGG GRATINGS
ISSN
1094-4087
URI
https://pubs.kist.re.kr/handle/201004/132307
DOI
10.1364/OE.17.013216
Appears in Collections:
KIST Article > 2009
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