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1. Tunable dual-wavelength ?lter based on cascaded acousto-optic gratings in diam-etched ?ber | |||
Zhang Yao,Feng Xuan-Qi,Qi Xin-Yuan,Jia Jie,He Qing-Li,Bai Jin-Tao | |||
Electrics, Communication and Autocontrol Technology 07 January 2014 | |||
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Abstract: A new type of tunable dual-wavelength ?lter based on cascaded acousto-optic gratings (AOGs) in diam-etched ?ber was studied both theoretically and numerically. The side lobe suppression effect of diam-etched AOGs on the transmission spectra is studied. The results show that the dual-wavelength ?lter works symmetrically and efficiently with tunable frequency spacing by adjusting the ?ber length, the frequency of the acoustic signal and the number of segments of the ?bers, respectively. Our studies provide a simple way to realize the dynamic manipulation of dual-wavelength ?lter while keeping the side lobes in the ?lter spectrum is suppressed efficiently. | |||
TO cite this article:Zhang Yao,Feng Xuan-Qi,Qi Xin-Yuan, et al. Tunable dual-wavelength ?lter based on cascaded acousto-optic gratings in diam-etched ?ber[OL].[ 7 January 2014] http://en.paper.edu.cn/en_releasepaper/content/4581165 |
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