Novel complex gratings with third-order group-delay variations for tunable pure dispersion slope compensation

Shu, Xuewen, Turitsyna, Elena, Sugden, Kate and Bennion, Ian (2008). Novel complex gratings with third-order group-delay variations for tunable pure dispersion slope compensation. Optics Express, 16 (16), pp. 12090-12095.

Abstract

We present a novel tunable dispersion compensator that can provide pure slope compensation. The approach uses two specially designed complex fiber Bragg gratings (FBGs) with reversely varied third-order group delay curves to generate the dispersion slope. The slope can be changed by adjusting the relative wavelength positions of the two FBGs. Several design examples of such complex gratings are presented and discussed. Experimentally, we achieve a dispersion slope tuning range of +/-650ps/nm2 with >0.9nm usable bandwidth.

Publication DOI: https://doi.org/10.1364/OE.16.012090
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences > Institute of Photonics
Additional Information: This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-16-12090. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Uncontrolled Keywords: tunable dispersion compensator,pure slope compensation,fiber Bragg gratings,third-order group delay curves,dispersion slope,wavelength position,Atomic and Molecular Physics, and Optics
Full Text Link: http://www.opti ... =oe-16-16-12090
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2008-08-04
Authors: Shu, Xuewen
Turitsyna, Elena ( 0000-0003-1756-362X)
Sugden, Kate ( 0000-0001-6323-1082)
Bennion, Ian

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