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

Rim Cherif; Amine Ben Salem; Mourad Zghal

doi:10.1117/12.886428

11 May 2011 Full modal analysis of the stimulated Brillouin scattering in As₂Se₃ chalcogenide photonic crystal fiber

Rim Cherif, Amine Ben Salem, Mourad Zghal

Proceedings Volume 8073, Optical Sensors 2011; and Photonic Crystal Fibers V; 80732R (2011) https://doi.org/10.1117/12.886428
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

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 (g_B), Brillouin frequency shift (BFS), and the Brillouin threshold (P_th). 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.

Citation Download Citation

Rim Cherif, Amine Ben Salem, and Mourad Zghal "Full modal analysis of the stimulated Brillouin scattering in As₂Se₃ chalcogenide photonic crystal fiber", Proc. SPIE 8073, Optical Sensors 2011; and Photonic Crystal Fibers V, 80732R (11 May 2011); https://doi.org/10.1117/12.886428

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