Enhanced stimulated Brillouin scattering in chalcogenide elliptical photonic crystal fibres

I. Abidi; R. Cherif; M. Zghal

doi:10.1117/12.2080237

27 February 2015 Enhanced stimulated Brillouin scattering in chalcogenide elliptical photonic crystal fibres

I. Abidi, R. Cherif, M. Zghal

Proceedings Volume 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV; 934719 (2015) https://doi.org/10.1117/12.2080237
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We show that the stimulated Brillouin scattering (SBS) is enhanced in photonic crystal fibres (PCF) with elliptical air holes characterized by air hole ellipticity η which is the ratio of major to minor axis of the elliptical hole. The study of SBS in elliptical photonic crystal fibres (EPCF) is based on a full modal analysis of the optical and acoustic properties using the finite element method. We investigate the influence of the shape of the air holes on Brillouin gain (gB) spectrum. We find that the interaction between optical and acoustic modes is enhanced in EPCF with a multi-peak behavior of the Brillouin gain spectrum. We also find that by squeezing the lattice of the air holes, the interaction between optical and acoustic waves is enhanced and the gB coefficient is increased.

Citation Download Citation

I. Abidi, R. Cherif, and M. Zghal "Enhanced stimulated Brillouin scattering in chalcogenide elliptical photonic crystal fibres", Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 934719 (27 February 2015); https://doi.org/10.1117/12.2080237

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