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Title: Hybrid fiber grating-based optical comb filters
Authors: Dong, X
Shao, LY
Tam, HY 
Shum, P
Keywords: Fiber Bragg gratings
Fiber lasers
Optical filters
Issue Date: 2008
Source: Proceedings of the 2008 International Conference on Advanced Infocomm Technology, ICAIT '08, 2008, 50 (CD) How to cite?
Abstract: In-fiber Mach-Zehnder interferometer filters, which were based on a pair of long-period fiber gratings (LPFGs), have been operated in the reflection mode by interacting with an optical fiber mirror reflector or a chirped-fiber Bragg grating (CFBG). As a result, the extinction ratio has been doubly enhanced. Furthermore, by tuning the chirp rate, i.e. reflection bandwidth of the CFBG, the channel number of the formed comb filter can be easily changed. A 3 to 9-channel comb filter with a channel spacing of 2.45 nm has been demonstrated experimentally.
Description: 2008 International Conference on Advanced Infocomm Technology, ICAIT '08, Shenzhen, 29-31 July 2008
ISBN: 9781605580883
DOI: 10.1145/1509315.1509365
Appears in Collections:Conference Paper

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