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25 April 2006 Group delay control of picosecond optical pulses in superstructured fiber Bragg gratings
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Abstract
A theoretical and experimental analysis of group velocity reduction in periodic super-structured Bragg gratings is presented. Experimental demonstration of group velocity reduction of sub-nanosecond pulses at the 1.5 μm wavelength of optical communications is reported using either a 20-cm-long Moire and a periodically-spaced πphase shift fiber gratings. Time delays up to approximately 690 ps for 250-ps-duration optical pulses have been achieved leading to the realization of an optical buffer.
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D. Janner, D. Gatti, G. Galzerano, G. Della Valle, P. Laporta, and S. Longhi "Group delay control of picosecond optical pulses in superstructured fiber Bragg gratings", Proc. SPIE 6187, Photon Management II, 61870A (25 April 2006); https://doi.org/10.1117/12.664832
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