Suppression of discrete cladding mode resonances in fibre slanted Bragg gratings for gain equalisation
Optics Express, Vol. 14, Issue 4, pp. 1388-1394 (2006)
http://dx.doi.org/10.1364/OE.14.001388
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Abstract
In a slanted Bragg grating, coupling between the fundamental guided mode and the counterpropagative cladding modes result in discrete resonances in the transmission spectrum. These resonances are a drawback when Slanted Bragg Gratings are used for gain flattening of fibres amplifiers. A new method based on a chemical etching of the cladding is proposed leading to an overlap of the resonances and a reduction of the amplitude of the modulation. This method can be applied for any value of photo induced modulation amplitude in the SBG.
© 2006 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2340) Fiber optics and optical communications : Fiber optics components
ToC Category:
Diffraction and Gratings
History
Original Manuscript: December 13, 2005
Revised Manuscript: February 3, 2006
Manuscript Accepted: February 3, 2006
Published: February 20, 2006
Citation
Emmanuel Kerrinckx, Arif Hidayat, Pierre Niay, Yves Quiquempois, Marc Douay, Isabelle Riant, and Carlos De Barros, "Suppression of discrete cladding mode resonances in fibre slanted Bragg gratings for gain equalisation," Opt. Express 14, 1388-1394 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-4-1388
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References
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