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Proceedings Paper

Full modal analysis of the stimulated Brillouin scattering in As2Se3 chalcogenide photonic crystal fiber
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Paper Abstract

We report a detailed implementation of a 2-D finite element method that is applied to calculate the stimulated Brillouin scattering (SBS) characteristics in As2Se3-based chalcogenide photonic crystal fibers (PCF). The full modal analysis of SBS is performed in both real and ideal As2Se3-based PCF structures taking into account the contribution of the higher order acoustic modes. Our results include the calculations of the Brillouin gain spectrum (BGS), Brillouin gain coefficient (gB), Brillouin frequency shift (BFS), and the Brillouin threshold (Pth). The Pth in the real As2Se3-based chalcogenide PCF is evaluated to be around 36 mW for only 1-m length compared to hundreds of milliwatts found in the long silica PCF. We calculate, in both structures, a Brillouin gain coefficient of the fundamental acoustic mode of ~5.59 10-9 mW-1 at λ=1.55 μm, around the acoustic frequency of 8.08 GHz, which is more than 600 times higher than that of fused silica fiber.

Paper Details

Date Published: 11 May 2011
PDF: 8 pages
Proc. SPIE 8073, Optical Sensors 2011; and Photonic Crystal Fibers V, 80732R (11 May 2011); doi: 10.1117/12.886428
Show Author Affiliations
Rim Cherif, Univ. of Carthage (Tunisia)
Amine Ben Salem, Univ. of Carthage (Tunisia)
Mourad Zghal, Univ. of Carthage (Tunisia)

Published in SPIE Proceedings Vol. 8073:
Optical Sensors 2011; and Photonic Crystal Fibers V
Kyriacos Kalli; Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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