Journal
OPTICS LETTERS
Volume 37, Issue 10, Pages 1697-1699Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.37.001697
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Funding
- FCT [SFRH/BD/70661/2010]
- CNPq
- CAPES
- [CONTACT (PTDC/EEA-TEL/114144/2009) FCT]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/70661/2010] Funding Source: FCT
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A new method to create a controlled notch filter for attenuation of signals based on regenerated fiber Bragg gratings is experimentally demonstrated. A fine adjustment of the notch depth is achieved by controlling the time of regeneration phenomenon in strongly saturated Bragg gratings written in standard ITU G.652 single-mode fiber. This method can used to produce tailored notch filters for several photonic applications, such as optical RF filtering, subcarrier processing or radio over fiber systems. (C) 2012 Optical Society of America
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