TITLE

A tunable all-fiber filter based on microfiber loop resonator

AUTHOR(S)
Wu Yu; Zeng Xu; Hou Changlun; Bai Jian; Yang Guoguang
PUB. DATE
May 2008
SOURCE
Applied Physics Letters;5/12/2008, Vol. 92 Issue 19, p191504
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this paper, a tunable high finesse microfilter is described, which is based on microfiber loop resonator (MLR). The length of microfiber loop could be controlled by a small cylindrical piezoelectric ceramic. As we calculated, this resonator has the maximum Q factor of 2400 and the finesse of 4.3. MLR filter was demonstrated that the maximum extinction ratio is about 10 dB, and the free spectral range variation range could be more than 100 GHz. This device could also be integrated into a smaller size due to the bigger radius of curvature of the microfiber.
ACCESSION #
33547392

 

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