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

Title
Tunable photonic microwave notch filter using SOA-based single-longitudinal mode, dual-wavelength laser
Authors
이관일이주한이상배
Issue Date
2009-08
Publisher
Optics express
Citation
VOL 17, NO 15, 13216-13221
Abstract
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 ~6.7 GHz.
URI
http://pubs.kist.re.kr/handle/201004/35690
ISSN
1094-4087
Appears in Collections:
KIST Publication > Article
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