Line-by-line fiber Bragg grating made by femtosecond laser


In this letter, we report on the inscription of a fourth-order fiber Bragg grating made line-by-line in the optical fiber using a femtosecond laser. Strong Bragg resonance (~17 dB) and low insertion loss (~0.5 dB) were obtained with only 2000 periods. Measured refractive index change of these inscribed lines reaches up to 7 × 10-3. The grating was fully characterized and the low insertion loss together with low polarization-dependent loss were realized compared to gratings made by the point-by-point method. The high temperature annealing experiment shows the grating can survive up to at least 800°C.

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Divisions: College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
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Uncontrolled Keywords: Bragg resonance,femtosecond laser,high temperature annealing,line-by-line fiber Bragg grating,low insertion loss,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials,Atomic and Molecular Physics, and Optics
Publication ISSN: 1941-0174
Last Modified: 15 May 2024 07:08
Date Deposited: 13 Dec 2011 11:40
Full Text Link: http://ieeexplo ... rnumber=5471129
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2010-08-15
Authors: Zhou, Kaiming (ORCID Profile 0000-0002-6011-1912)
Dubov, Mykhaylo (ORCID Profile 0000-0002-6764-683X)
Mou, Chengbo (ORCID Profile 0000-0001-6107-3439)
Zhang, Lin (ORCID Profile 0000-0002-1691-5577)
Mezentsev, Vladimir (ORCID Profile 0000-0002-8415-1767)


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